J/A+AS/105/211 Optical identification status of 1Jy catalogue (Stickel+ 1994)
The optical identification status of the 1 Jy radio source catalogue
Stickel M., Meisenheimer K., Kuehr H.
<Astron. Astrophys. Suppl. Ser. 105, 211 (1994)>
=1994A&AS..105..211S 1994A&AS..105..211S
ADC_Keywords: Radio sources; Cross identifications
Keywords : catalogs - radio continuum : galaxies - BL Lac objects : general -
galaxies : general - quasars : general
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 88 527 Optical data for the 1 Jy radio sources
table2 64 527 Radio data for the 1 Jy radio sources
table3 68 37 Statistics of the 1 Jy radio Sources
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Byte-by-byte Description of file: table1
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Bytes Format Units Label Explanations
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2- 4 I3 --- Seq Sequence Number
6- 13 A8 --- Name Object name
15- 18 F4.1 mag m []? Magnitude of the optical identification
20- 25 A6 --- Type Type of the optical identification
27 A1 --- l_z limit flag for lower redshift limits
28- 34 F7.5 --- z []? redshift of the optical identification
35 A1 --- u_z [ ?] uncertainty sign for uncertain redshifts
36 A1 --- l_Pol limit flag on Pol
37- 40 F4.1 % Pol. []? "True" optical polarization
41- 43 A3 --- n_P Polarization flags
v = polarization variable
g = polarization contaminated by galaxy light
? = variability uncertain
45- 47 F3.1 --- e_P []? error of polarization measurement
49 A1 --- N(P) number of polarization measurements
n = more than 10 polarization measurements
51- 90 A40 --- Ref references to polarization measurements and
other catalogues (1)
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Note (1): References:
B Hewitt & Burbidge (1993)
Be Hewitt & Burbidge (1991)
C Spinrad et al. (1985)
G Burbidge & Crowne (1979))
W Wall & Peacock (1985)
V Veron-Cetty & Veron (1991)
BH75 Babadzhanyants & Hagen-Thorn (1975)
BIEA81 Biermann et al. (1981)
BREA86 Brindle et al. (1986)
CEA88 Courvoisier et al. (1988)
FM88 Fugmann & Meisenheimer (1988)
IT88 Impey & Tapia (1988)
IT90 Impey & Tapia (1990)
IBT82 Impey et al. (1982)
ILT91 Impey et al. (1991)
ISLX93 Impey et al. (1993)
K76 Kinman (1976)
KM93 Kock & Meisenheimer (1993)
KS90 Kuehr & Schmidt (1990)
L90 Luna (1990)
MAR80 Marchenko (1980)
MMA78 Maza et al. (1978)
MEA90 Mead et al. (1990)
M79 Maza (1979)
MS81 Moore & Stockman (1981)
MS84 Moore & Stockman (1984)
PEA79 Puschell et al. (1979)
PEA83 Puschell et al. (1983)
PS80 Puschell & Stein (1980)
SMA84 Stockman et al. (1984)
SMEA86 Smith et al. (1986)
SBEH87 Smith et al. (1987)
SSJE93 Smith et al. (1993)
ST86 Stahl et al. (1986)
STREA72 Strittmatter et al. (1972)
V73 Visvanathan (1973)
WMSI93 Webb et al. (1993)
WWB80 Wills et al. (1980)
WWB93 Wills et al. (1993)
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Byte-per-byte Description of file: table2
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Bytes Format Units Label Explanations
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2- 4 I3 --- Seq Sequence number
6- 13 A8 --- Name Object name
15- 16 I2 h RAh Right ascension 1950 (hours)
18- 19 I2 min RAm Right ascension 1950 (minutes)
21- 25 F5.2 s RAs Right ascension 1950 (seconds)
27 A1 --- DE- Declination 1950 (sign)
28- 29 I2 deg DEd Declination 1950 (degrees)
31- 32 I2 arcmin DEm Declination 1950 (minutes)
34- 37 F4.1 arcsec DEs Declination 1950 (seconds)
39- 43 A5 --- PosRef Reference to radio position
45- 50 F6.3 Jy S_5GHz 5 GHz flux
52- 56 F5.2 --- s(11-6) two-point spectral index between 11 and 6 cm
58- 59 A2 --- RadTyp Type of radio spectrum
SS = Steep spectrum
FS = Flat spectrum
61- 64 A4 --- FR-class Fanaroff-Riley classification (1)
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Note (1): References:
A Waltman et al. (1981)
AC White (1992)
C Spinrad et al. (1985)
CO Condon et al. (1991)
D Pearson & Readhead (1988)
DS Duncan & Sproats (1992)
EK Ekers et al. (1989)
F1 White et al. (1987)
F2 White et al. (1991)
FY Fey et al. (1992)
I Bridle et al. (1972)
J Kuehr et al. (1981a)
JO Jones (1989)
L Peacock & Wall (1981)
M1 Morabito et al. (1982)
M2 Morabito et al. (1983)
M3 Morabito et al. (1985)
M4 Morabito et al. (1986)
MK Morganti et al. (1993)
MO Jones & McAdam (1992)
O1 Rawlings et al. (1990)
P Perley (1982)
PKS Wright & Otrupcek (1990)
RO Robertson et al. (1993)
RU Russell et al. (1992)
S Schwarz et al. (1973)
S4 Kuehr et al. (1981b)
S5 Kuehr et al. (1987)
TM Tadhunter et al. (1993)
U Ulvestad et al. (1981)
VB van Breugel et al. (1983)
VC Condon (1992, priv. comm.)
VG van Gorkom et al. (1989)
VLA VLA Calibrator position
ws Wall & Schilizzi (1979)
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Byte-by-byte Description of file: table3
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Bytes Format Units Label Explanations
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1- 59 A59 --- SC Source (Sub)Class
61- 63 I3 --- NS Number of Sources
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Notes:
0008-421 : The empty field classification is due to Prestage & Peacock
(1983) and Torres & Wroblewski (1987).
0010+405 : The new classification as a galaxy as well as its redshift is
given in Stickel & Kuehr (1993a). The redshift has previously
been listed by Biermann et al. (1987), based on spectra taken
by one of us (H.K.) with the Steward Observatory 90" telescope.
0019-000 : The identification and magnitude have been taken from Veron &
Veron (1975). The optical counterpart has also been classified
as a galaxy by McEwan et al. (1975). However, Torres & Wroblewski
(1987) find an optical blank field at the radio position, which
may indicate that this object is optically variable. A m = 18.4 mag
galaxy has been suggested as the optical counterpart by
Stanghellini et al. (1993). However, their listed J2000.0 radio
position lies about 30' south of that tabulated in the PKS
catalogue (Wright & Otrupcek 1990).
0022-423 : A faint optical counterpart of unknown type has been found by
Torres & Wroblewski (1987). A B-band CCD image taken with
the 2.2m telescope on La Silla, Chile, in October 1986 shows
that this object is an unresolved QSO. The optical magnitude
is taken from O'Dea et al. (1991).
0022-297 : The identification and magnitude have been taken from Bolton
et al. (1965). The optical spectrum and redshift are given in
Stickel et al. (1993a)
0023-263 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The optical counterpart has also been
classified as a galaxy by Saikia et al. (1987). The redshift is
given in Tadhunter et al. (1993).
0026+346 : The classification as a galaxy as well as the optical
magnitude was derived from an R - band CCD image taken with
the 3.5m telescope on Calar Alto, Spain, in September 1989. The
image confirms the classification given by Prestage & Peacock
(1983), while the classification as a QSO by Rieke et al.
(1979) is rejected.
0039-445 : The identification and magnitude have been taken from Savage
(1976). The optical counterpart has also been classified as a
galaxy by Lue (1974). The redshift is given in Tadhunter et al.
(1993).
0040+517 : The redshift has been taken from Lawrence et al. (1986). The
redshift listed by Spinrad et al. (1985) and Wall & Peacock
(1985) is incorrect.
0042-357 : No identification has been found in the literature.
0043-424 : The identification, magnitude and redshift have been taken
from Whiteoak (1972). A different redshift is given in
Tadhunter et al. (1993).
0056-572 : The identification as a QSO is due to Bolton & Savage (1977)
and White et al. (1991). The optical magnitude has been taken
from White et al. (1991).
0105-163 : The classification as a galaxy is due to Prestage & Peacock
(1983) and Moseley et al. (1970). The redshift is given by
Tadhunter et al. (1993).
0108+388 : The identification and optical magnitude have been taken
from O'Dea et al. (1991). The redshift has been made
available to us by C. Lawrence (1993, priv. comm.).
0112-017 : The redshift of z = 1.381 has been taken from Baldwin et al.
(1989).
0113-118 : The identification and magnitude have been taken from Wright
et al. (1983). The uncertain redshift given by Wright et al.
(1983) has been confirmed with spectra taken by one us (H.K.)
with the Steward Observatory 90" telescope and the Multiple
Mirror Telescope.
0114-211 : The classification as an empty field is due to Bozyan (1979),
Prestage & Peacock (1983) and Ekers et al.(1989).
0117-155 : The identification and magnitude have been taken from Fugmann
et al. (1988). The optical counterpart has also been
classified as galaxy by Prestage & Peacock (1983). The
redshift is given by Tadhunter et al. (1993).
0118-272 : The optical spectrum and the absorption line redshift are given
in Falomo (1991) and Stickel et al. (1993b). An incorrect
absorption line redshift is listed in Veron-Cetty & Veron (1991).
0131-522 : The classification of the optical counterpart as a QSO is due
to Savage et al. (1976), Peterson et al. (1976) and White et
al. (1991). The optical magnitude has been taken from White et
al. (1991).
0138-097 : The optical spectrum and the absorption line redshift are
given in Stickel et al. (1993b).
0149+218 : The radio spectral index has been taken from the Parkes
catalogue (Wright & Otrupcek 1990).
0157-311 : The optical magnitude has been taken from Prestage & Peacock
(1983). The redshift has been made available to us
by J. A. Peacock (1993, priv. comm.).
0201-440 : This radio source has tentatively been identified with a
m = 19 mag QSO by Fugmann et al. (1988).
0202+149 : The identification and magnitude were taken from Fugmann &
Meisenheimer (1988).
0218+357 : The redshift of the intervening absorption line system has been
measured by Browne et al. (1993) and Stickel & Kuehr (1993b).
The optical magnitude is given in Stickel & Kuehr (1993b).
This source is most likely a gravitational lens system
(O'Dea et al. 1992a, Patnaik et al. 1993, Browne et al. 1993).
0221+067 : This source is probably optically variable, since White et al.
(1988) give m = 19 mag, while Fugmann & Meisenheimer (1988) list
m = 16.7 mag.
0223+341 : The identification and magnitude have been taken from Peacock
et al. (1981).
0235-197 : The identification and magnitude were taken from Prestage &
Peacock (1983). The redshift is given by Tadhunter et al. (1993).
0235+164 : The optical magnitude has been taken from Argue et al. (1973).
The magnitude listed in the catalogues of Hewitt & Burbidge (1993)
and Veron-Cetty & Veron (1991) refers to an optical outburst.
0252-712 : The identification and magnitude have been taken from Savage
et al. (1977). The redshift is given by Tadhunter et al. (1993).
0302-623 : The identification and magnitude have been taken from Wall &
Cannon (1973).
0308-611 : The identification and magnitude have been taken from White et
al. (1991).
0316+162 : The identification and magnitude have been taken from Fugmann
et al. (1988). The radio source has also been identified by
Stanghellini et al. (1993).
0319+121 : The optical magnitude has been taken from Bolton & Ekers (1967).
The redshift has been derived from several spectra taken by one
of us (H.K.) with the Steward Observatory 90" telescope and
the Multiple Mirror Telescope. The redshift is also listed
in Spencer et al. (1989).
0332+078 : The identification and magnitude were taken from Fugmann &
Meisenheimer (1988).
0347+057 : The identification and magnitude have been taken from Fugmann
et al. (1988). The redshift is given by Allington-Smith et al.
(1991).
0400-319 : The classification as an empty field is due to Saikia et al.
(1987).
0402+379 : The identification and magnitude were taken from Wills et al.
(1973). The optical spectrum and redshift are given in Stickel
et al. (1993a).
0403+768 : The identification and magnitude have been taken from Peacock
et al. (1981). The galaxy, which lies midway between the radio
lobes, has also been detected on an R - band CCD image taken
with the 2.2m telescope on Calar Alto, Spain. The redshift is
given in O'Dea et al. (1991)
0407-658 : The radio source has tentatively been identified with a 18 mag
QSO by Hunstead (1971) and Prestage & Peacock (1983).
0409-752 : The identification, optical magnitude, and redshift have been
taken from Alvarez et al. (1993). The redshift has also been
given by Tadhunter et al. (1993).
0426-380 : The absorption line redshift given in Stickel et al. (1991,1993b)
is incorrectly listed as emission line redshift in the catalogue
of Hewitt & Burbidge (1993).
0427-539 : The identification, magnitude, and redshift were taken from Danziger
& Goss (1983). The redshift is also given by Tadhunter et al. (1993)
0437-454 : The identification and magnitude have been taken from Jauncey
et al. (1989).
0442-282 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The redshift is given by Tadhunter et al. (1993).
0446+112 : The radio source has been identified with a galaxy by Hoskins
et al. (1974). This identification was confirmed with a CCD
image taken with the 2.2m telescope on La Silla, Chile, in
October 1986, from which the R - band magnitude of m = 20.6 mag
was derived.
0453-301 : The identification and magnitude were taken from Shimmins &
Bolton (1974).
0454+844 : The redshift of z = 0.112 has been made available to us by
C. Lawrence (1993, priv. comm.). This value is in obvious
contrast to the lower limit of z > 0.2 suggested in Stickel
et al. (1993b) on the basis of the unresolved appearance on
the direct image. This indicates that the host galaxy of this
BL Lac object has an unusually low optical luminosity
(see the discussion in Stickel et al. 1993b).
0500+019 : The identification and magnitude were taken from Fugmann et
al. (1988). The same optical counterpart has also been found
by Torres & Wroblewski (1987) and was described as very faint
and of unknown type.
0511-305 : The identification and magnitude were taken from Bolton et al.
(1965).
0514-459 : The identification and magnitude have been taken from Bolton &
Savage (1977). The optical spectrum and redshift are given in
Stickel et al. (1993a).
0521-365 : An incorrect redshift is listed in Burbidge & Crowne (1979),
Wall & Peacock (1985), Burbidge & Hewitt (1987), and Hewitt &
Burbidge (1987,1991,1993). The correct redshift is given by
Ulrich (1981), Falomo et al. (1989), and Stickel et al. (1993a).
0524-460 : The identification and magnitude were taken from Jauncey et
al. (1989). The optical spectrum and redshift is given in
Stickel et al. (1993a).
0528+134 : The identification and magnitude have been taken from Fugmann
& Meisenheimer (1988). The redshift has been derived from
spectra taken by one of us (H.K.) with the Steward
Observatory 90" telescope and the Multiple Mirror Telescope.
The identification and redshift were also given by
Stanghellini et al. (1993).
0539-057 : The identification and magnitude were taken from Fugmann &
Meisenheimer (1988). The optical spectrum and redshift are
given in Stickel & Kuehr (1993b). The incorrect redshift
given by Chu et al. (1986) is also listed in the catalogue of
Veron-Cetty and Veron (1991).
0602+673 : The identification and optical magnitude have been taken from
Meisenheimer & Roeser (1983).
0605-085 : The redshift has also been listed by Allington-Smith et al.
(1991) and Stickel et al. (1993a).
0615+820 : The redshift listed by Eckart et al. (1986) is based on spectra
taken by one of us (H.K.) with the Steward Observatory 90"
telescope and the Multiple Mirror Telescope.
0625-536 : The identification, optical magnitude, and redshift have been
taken from Danziger & Goss (1983). The redshift is also given
by Tadhunter et al. (1993).
0625-354 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The redshift is given by Tadhunter et al. (1993).
0646-306 : The unresolved optical counterpart of this radio source is
probably variable, since Saikia et al. (1987) find m = 21 mag
while Fugmann et al. (1988) give m = 18.6 mag. The lower limit
of the optical polarization is based on a measurement with only
a single analyzer position angle (see Fugmann & Meisenheimer 1988).
0707+476 : The identification and magnitude were taken from Meisenheimer
& Roeser (1983). The redshift has been derived from a spectrum
taken by one of us (H.K.) with the Steward Observatory 90"
telescope. No entry for the optical polarization is given in Table
2, since the object measured by Wills et al. (1993) is a foreground
star (see Meisenheimer & Roeser 1983).
0710+439 : The identification and optical magnitude have been taken from
Stanghellini et al. (1993). The redshift is listed in Pearson
& Readhead (1988).
0742+103 : The faint identification proposed by Fugmann et al. (1988) has
not been detected on R - and I - band CCD images taken with
the 2.2m telescope on La Silla, Chile, in March 1985 and the
2.2m telecope on Calar Alto, Spain, in December 1985. The
radio source is thus classified as an empty field, which also
disagrees with O'Dea et al. (1991).
0743-673 : The redshift of z = 1.511 has been taken from Espey et al. (1989).
This value has also been given by Jauncey et al. (1989).
The redshift listed by Wall & Peacock (1985), Hewitt & Burbidge
(1989), and Veron-Cetty & Veron (1991) is incorrect.
0806-103 : The identification, magnitude, and redshift have been taken
from Tabara & Inoue (1980), who refer to Gardner et al. (1969).
The redshift has also been listed by Tadhunter et al. (1993).
0820+225 : The emission lines and the absorption line redshift listed in
Hewitt & Burbidge (1993) are obviously typographical errors.
The optical spectrum and redshift is given in Stickel et al. (1993b)
0825-202 : The identification and magnitude were taken from Bolton &
Kinman (1966). The optical spectrum and redshift is given in
Stickel et al. (1993a).
0828+493 : The optical spectrum and redshift is given in Stickel et al. (1993b)
0834-196 : The uncertain type and magnitude of the optical counterpart is
based on a tentative identification by Fugmann et al. (1988).
0836+710 : The optical spectrum and redshift is given in Stickel & Kuehr
(1993a). The redshift has previously been listed by Eckart et
al. (1986), based on spectra taken by one of us (H.K.) with
the Steward Observatory 90" telescope and the Multiple Mirror
Telescope.
0839+187 : The redshifted listed in Veron-Cetty & Veron (1991)
is incorrect.
0858-279 : The identification and magnitude were taken from Prestage &
Peacock (1983). The optical spectrum and redshift is given in
Stickel et al. (1993b). An incorrect redshift has been given
by Thompson et al. (1991) and is listed in the catalogues of
Veron-Cetty & Veron (1991) and Hewitt & Burbidge (1993).
0859-257 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The redshift is given by Tadhunter et al. (1993).
0915-118 : The redshift listed in Burbidge & Crowne (1979) is incorrect.
0917+624 : The optical spectrum and the redshift is given in Stickel &
Kuehr (1993b). The redshift previously listed by Quirrenbach et
al. (1989) and Qian et al. (1991) was derived from a spectrum
taken by one of us (H.K.) with the Mount Palomar 5m telescope.
0941-080 : The identification and optical magnitude have been taken from
Stanghellini et al. (1993).
0945+664 : The identification and magnitude were taken from Peacock et
al. (1981).
0947+145 : The identification, magnitude and redshift have been taken
from Spinrad et al. (1985)
1005+077 : The identification, magnitude and redshift have been taken
from Spinrad et al. (1985)
1015-314 : The identification and magnitude were taken from Prestage &
Peacock (1983).
1031+567 : The identification and optical magnitude have been taken from
Stanghellini et al. (1993). The redshift is listed in Dunlop
et al. (1989).
1039+029 : McEwan et al. (1975) and Veron & Veron (1977) find an optical
blank field at the radio position.
1039+811 : The redshift is derived from spectra taken by one of us (H.K.)
with Steward Observatory 90" telescope and has previously been
listed by Eckart et al. (1986).
1057-797 : The identification and magnitude have been taken from Jauncey
et al. (1989).
1117+146 : The identification and magnitude were taken from Wills et al.
(1973).
1143-483 : The identification and magnitude were taken from Hunstead
(1971).
1150+812 : The redshift is derived from spectra taken by one of us (H.K.)
with Steward Observatory 90" telescope and has previously been
listed by Eckart et al. (1986).
1157+732 : The redshift has been taken from McCarthy (1988).
1203+645 : The redshift listed by Herbig & Readhead (1992) is incorrect.
1213-172 : This radio source lies close to the 2.6 mag star gamma Corvus.
A direct CCD image taken with the 3.5m telescope on Calar Alto,
Spain, in June 1993 shows a m = 21.4 mag resolved galaxy
at the radio position.
1216+487 : The optical spectrum and redshift is given in Stickel & Kuehr
(1993c).
1221-423 : The identification and magnitude have been taken from Lue
(1970). The redshift is given by Simpson et al. (1993).
1245-197 : The identification, magnitude, and redshift were taken from
O'Dea et al. (1991).
1246-410 : The identification, magnitude, and redshift have been taken
from Burbidge & Burbidge (1972).
1306-095 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The redshift is given by Tadhunter et al. (1993).
1308-220 : The classification as an optical blank field is due to Torres
& Wroblewski (1987). A possible candidate for the optical
counterpart has been proposed by Prestage & Peacock (1983).
1313-333 : The redshift is based on two emission lines at lambda = 4232 A
and lambda = 6166 A detected by Jauncey et al. (1982) and
identified with C III] 1909 and Mg II 2798 at z = 1.210, as
described in their notes on individual objects. The incorrect
redshift listed in Table II of Jauncey et al. (1982) is
obviously a misprint, which also appears in the catalogue
of Veron-Cetty & Veron (1991).
1320-446 : The identification and magnitude were taken from Torres &
Wroblewski (1986).
1323+321 : The identification and magnitude have been taken from Grueff &
Vigotti (1972). The redshift is given in Dunlop et al. (1989).
The radio source has also been identified by Stanghellini et
al. (1993).
1333-337 : The lobes of the radio source 1333-337 (IC 4296, Killeen et
al. 1986), which had previously been listed as the individual
sources 1332-33 and 1334-33 (Kuehr et al. 1981a), have been
removed from the 1 Jy catalogue.
1334-127 : The uncertain redshift listed in Hewitt & Burbidge (1993)
has been confirmed by Stickel et al. (1993a).
1413+349 : The classification as an optical blank field is due Peacock et
al. (1981), Meisenheimer & Roeser (1983) and Stanghellini et
al. (1993). A possible IR counterpart has been detected by
O'Dea et al. (1992b).
1418+546 : The optical spectrum and redshift is given in Stickel et al.
(1993b)
1434+036 : The classification as an optical blank field is due to McEwan
et al. (1975).
1435+638 : The optical magnitude has been taken from Porcas et al.
(1980).
1502+106 : The redshift has been taken from Wright et al. (1979) and
Wilkes (1986). The redshift listed in the catalogues of Hewitt
& Burbidge (1993) and Veron-Cetty & Veron (1991) is based on a
different identification of the spectral features observed by
Smith et al. (1977).
1504+377 : The revised classification as a galaxy as well as the
optical magnitude and redshift are given in Stickel & Kuehr (1993c).
1518+046 : The identification and magnitude have been taken from Biretta
et al. (1985).
1519-273 : The classification as a BL Lac Object as well as the optical
spectrum is given by Stickel et al. (1993b) and
Veron-Cetty & Veron (1993).
1538+149 : The optical spectrum and redshift is given by Stickel et al. (1993b)
1541-828 : No optical identification has been found in the literature.
1547-795 : The identification and magnitude have been taken from Hunstead
(1971) and Shimmins & Bolton (1972). The redshift is given by
Tadhunter et al. (1993).
1549-790 : The identification and magnitude were taken from White et al.
(1987) and Jauncey et al. (1989). The redshift is given in
Veron et al. (1990) and Tadhunter et al. (1993).
1600+335 : Stanghellini et al. (1993) suggested a very faint, possibly
extended object as the optical counterpart. A deep R band image
taken in June 1993 with the 3.5m telescope on Calar Alto, Spain,
confirmed the presence of the optical counterpart and showed it
to be a highly elongated or even morphologically disturbed
m(R) = 23 mag galaxy.
1602-093 : No optical identification has been found in the literature.
1606+106 : The identification and magnitude have been taken from Bolton
et al. (1968). The optical spectrum and redshift is given in
Stickel & Kuehr (1993c). A preliminary value for the redshift
has been given in Biermann et al. (1987), which was based on
spectroscopic observations by one of us (H.K.) with the
Steward Observatory 90" telescope.
1607+268 : The identification and magnitude were taken from Biretta et
al. (1985). The redshift is listed in Phillips & Shaffer
(1983) and O'Dea et al. (1991). The radio source has also been
identified by Stanghellini et al. (1993).
1622-297 : The identification and optical magnitude have been taken from
Saikia et al. (1987). The redshift has been taken from the PKS
catalogue (Wright & Otrupcek 1990).
1622-253 : No optical counterpart has been found by Prestage & Peacock
(1983), who marked a nearby object on their finding chart.
Saikia et al. (1987) described the field as obscured. A direct
CCD image taken with the 2.2m telescope on La Silla, Chile, in
March 1985 shows a m = 20.3 mag unresolved object at the radio
position given by Prestage & Peacock (1983), which is proposed
as the optical counterpart. The optical polarization measured by
Impey & Tapia (1990) probably refers to the nearby object of
Prestage & Peacock (1983).
1637-771 : The redshift of z = 0.0427 has been taken from Simpson et al.
(1993), which is in agreement with the value given by
Whiteoak (1972), Burbidge & Burbidge (1972) and Tadhunter et
al. (1993). The redshift listed by Danziger & Goss (1983)
is incorrect, as has already been noted by Simpson et al. (1993).
1638+124 : The identification and optical magnitude is based on a direct
R - band CCD image taken with the 3.5m telescope on Calar Alto,
Spain, in June 1991.
1648+015 : The identification and optical magnitude is based on direct
R-band CCD images taken with the 3.5m and 2.2m telescopes on
Calar Alto, Spain, in June 1992.
1655-776 : The redshift has been taken from Simpson et al. (1993).
The redshift listed in Burbidge & Crowne (1979) is incorrect.
1721-026 : The identification of this radio source with m = 15 mag galaxy
by Veron (1971) is uncertain (Stickel et al. 1993a). The
optical spectrum and redshift of this tentative optical
counterpart is given in Stickel et al. (1993a).
1737-608 : The identification and magnitude have been taken from Jones &
McAdam (1992).
1740-517 : An uncertain identification with a m = 20.2 mag galaxy has
been given by Prestage & Peacock (1983).
1815-553 : The identification and magnitude were taken from White et al.
(1991).
1829-718 : No optical identification has been found in the literature.
1829+290 : The identification, the optical magnitude and the redshift is
given in Stickel & Kuehr (1993b). The identification and redshift
listed by Spencer et al. (1989) is rejected.
1839-486 : The identification and magnitude have been taken from Bajaja
(1970). The redshift is given by Tadhunter et al. (1993)
and Simpson et al. (1993).
1928+738 : An incorrect redshift is listed in Wall & Peacock (1985). The
correct redshift is given in Lawrence et al. (1986) and
Stickel et al. (1993a).
1929-397 : The identification and magnitude have been taken from Bolton &
Shimmins (1973). The redshift is given by Simpson et al. (1993).
1932-464 : The identification and magnitude have been taken from Prestage
& Peacock (1983). The redshift is given by Tadhunter et al.
(1993).
1936-623 : The identification and magnitude have been taken from White et
al. (1991).
1938-155 : The identification and magnitude have been taken from Prestage &
Peacock (1983). The redshift is given by Tadhunter et al. (1993).
1954-552 : The identification and optical magnitude have been taken from
Whiteoak (1972). The redshift given by Tadhunter et al. (1993)
and Simpson et al. (1993) confirm the uncertain value listed
by Whiteoak (1972).
2008-068 : The identification and magnitude were taken from Fugmann et
al. (1988). The radio source has also been identified by O'Dea
et al. (1990) and Stanghellini et al. (1993).
2020-575 : The identification, magnitude, and redshift were taken from
Jones & McAdam (1992).
2029+121 : The classification, optical magnitude, and a tentative redshift
are given in Stickel & Kuehr (1993a).
2032-350 : The identification and magnitude were taken from Prestage &
Peacock (1983).
2052-474 : The identification, magnitude, and redshift were taken from
Murdoch et al. (1984).
2053-201 : The identification and magnitude have been taken from Hazard
(1972). The optical spectrum and redshift is given in
Stickel & Kuehr (1993c).
2104+763 : The identification, optical magnitude, and redshift have been
taken from Smith et al. (1976).
2113+293 : The optical magnitude has been taken from Kuehr (1980).
The spectrum and redshift is given in Stickel et al. (1993a).
2128+048 : The extremely faint optical counterpart has been found by
Biretta et al. (1985). The redshift has been made available
to us by H. Spinrad (1993, priv. comm.).
2135-209 : The identification and magnitude were taken from Prestage &
Peacock (1983). The redshift is given by Tadhunter et al. (1993).
However, the radio source has been classified as an empty
field by Saikia et al. (1987).
2140-816 : No optical identification has been found in the literature.
2149-287 : No optical identification has been found in the literature.
2149+056 : The identification and optical magnitude were taken from O'Dea
et al. (1991). The optical spectrum and redshift is given in
Stickel & Kuehr (1993a).
2150-520 : This radio source has tentatively been identified with a
m = 18 mag QSO by Prestage & Peacock (1983).
2150+173 : The identification and magnitude as well as the featureless
optical spectrum are given in Stickel et al. (1993a).
2210+016 : This radio source has tentatively been identified with a
m = 21.7 mag QSO by Fugmann et al. (1988).
2245-328 : The redshift has been taken from Jauncey et al. (1982)
2250-412 : The identification and optical magnitude have been taken from
Hunstead (1971). The redshift is given by Tadhunter et al. (1993).
2252-530 : A faint object near the plate limit has been proposed as the
optical counterpart by Lasker & Smith (1974). The galaxy
suggested by Lue (1974) has been discarded by Jones & McAdam (1992).
2255+416 : The identification and magnitude were taken from Fugmann &
Meisenheimer (1988). The optical spectrum and the redshift
is given in Stickel & Kuehr (1993a,c). The spectral features
described therein are in contrast to those listed by Xu et
al. (1993), who suggested a redshift of z = 1.724.
2311-452 : An incorrect designation and position for this source is listed
in Hewitt & Burbidge (1993).
2317-277 : The identification and magnitude were taken from Bolton et al.
(1965).
2319+272 : The optical counterpart of this radio source is a quasar at
z = 1.253, which lies behind the cluster Abell 2584. A detailed
discussion of this remarkable object can be found in
Stickel & Kuehr (1992).
2323-407 : The identification and magnitude has been taken from Lue (1970).
2323+435 : The identification and magnitude were taken from Edwards et
al. (1975). The optical spectrum and redshift is given in
Stickel et al. (1993a).
2324-023 : The identification and magnitude have been taken from Bolton &
Ekers (1966). The optical spectrum and redshift is given in
Stickel et al. (1993a).
2324+405 : The identification and magnitude were taken from Cohen et al.
(1977). The optical spectrum and the redshift is given by
Stickel & Kuehr (1993b).
2331-417 : The identification and magnitude have been taken from Savage
et al. (1976).
2333-528 : The classification as an empty field is due to Jauncey et al.
(1989). The optical identification proposed by Bolton & Savage
(1977) and White et al. (1991) has been discarded by Jauncey
et al. (1989) on the basis of an accurate VLBI radio position.
2337-334 : A tentative identification with a very faint object of unknown
type has been proposed by Torres & Wroblewski (1987).
2351+456 : The optical spectrum and redshift is given by Stickel & Kuehr
(1993b).
0114-476 : The radio flux and the radio spectral index have been taken from
Saripalli et al. (1986) and Danziger & Goss (1983), respectively.
0319-453 : The radio and optical properties have been taken from Jones (1989).
0344-345 : The radio flux and the radio spectral index (measured between 408
MHz and 5 GHz) have been taken from Wall & Schilizzi (1979).
0511-484 : The radio flux and the radio spectral index (measured between 408
MHz and 5 GHz) have been taken from Wall & Schilizzi (1979).
0744+559 : The radio flux and the radio spectral index have been taken
Saripalli et al. (1986) and Willis et al. (1974), respectively.
1331-098 : The radio flux and the radio spectral index (measured between 408
MHz and 5 GHz) have been taken from Wall & Schilizzi (1979).
1448+634 : The radio flux and the radio spectral index have been taken from
Condon et al. (1991).
1514+072 : The radio flux and the radio spectral index have been taken from
Condon et al. (1991).
1549+202 : The radio flux and the radio spectral index have been taken
Saripalli et al. (1986) and Willis & Strom (1978), respectively.
1557+708 : The radio flux and the radio spectral index have been
taken from Condon et al. (1991). The redshift is given by
Herbig & Readhead (1992) and Stickel et al. (1993a).
1637+826 : The radio flux and the radio spectral index have been taken from
Saripalli et al. (1986) and Wagget et al. (1977), respectively.
2212+135 : The radio flux and the radio spectral index have been taken from
Condon et al. (1991).
--------------------------------------------------------------------------------
See also:
Catalogue III/175 (Optical spectroscopy of 1Jy, S4 and S5 sources)
J/A+AS/98/393
J/A+AS/103/349
J/A+AS/105/67 (Optical identifications from 1Jy, S4, S5)
J/A+AS/105/211 (Optical identification of 1Jy)
J/A+AS/115/11 (Optical identifications from 1Jy, S4, S5)
Courtesy: Manfred Stickel
(End) Francois Ochsenbein [CDS] 17-Feb-1994