J/AJ/112/772 VI photometry in South Galactic Pole (Caldwell+ 1996)
Scanned CCD V and I Photometry at the South Galactic Pole
Caldwell J.A.R., Schechter P.L.
<Astron. J. 112, 772 (1996)>
=1996AJ....112..772C 1996AJ....112..772C
ADC_Keywords: Galactic pole, south ; Photometry, CCD
Abstract:
Catalogs of V and I photometry for two 20 square degree regions near
the South Galactic Pole, containing 30,000 and 19,000 stars, have been
constructed using a CCD in time delay integration mode. Internal and
external comparisons indicate a characteristic photometric accuracy
ranging from 0.02mag at V∼12 to 0.05 at V∼18-18.5.
Description:
The tables described below correspond to tables I-VII as mentioned in
sections 5 and 6 of the printed paper.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 77 29877 Catalog CS1 of CCD scanning photometry at the SGP
table2.dat 77 18811 Catalog CS2 of CCD scanning photometry at the SGP
table3.dat 79 77 Comparison with Eriksson, 1978UppOR..11....1E 1978UppOR..11....1E
table4.dat 92 45 Comparison with Reid and Gilmore,
1982MNRAS.201...73R 1982MNRAS.201...73R, Appendix A (p. 93)
table5.dat 81 32 Comparison with Reid and Gilmore,
1982MNRAS.201...73R 1982MNRAS.201...73R, Table 7 (p. 87)
table6.dat 94 79 Comparison with Murray-Argyle-Corben,
1986MNRAS.223..629M 1986MNRAS.223..629M (Cat. I/129)
table7.dat 48 245 Comparison of Stars with Multiple
CCD/Photoelectric Photometry
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Byte-by-byte Description of file: table1.dat table2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS CS star number (CS1 for table1; CS2 for table2)
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
32- 37 F6.3 mag Vmag []? V magnitude
39- 44 F6.3 mag Imag []? I magnitude
46- 51 F6.3 mag V-I []? V-I color index
53- 56 I4 --- Code *Four-digit code including number of V,I values
58- 62 F5.3 mag e_Vmag []? V magnitude error
64- 68 F5.3 mag e_Imag []? I magnitude error
70- 74 F5.3 mag e_V-I []? V-I color error
76 A1 --- S *[s] s = split stars
77 A1 --- U *[u] u = uncertainty because star is faint
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Note on Code: A four-digit number gives from left to right:
a first digit of 1 or 0 depending on whether or not the star was found
to be a split star on any scan,
a second digit for the number of V values,
a third digit for the number of I values,
and a last digit for the number of nearly simultaneous V and I values.
Note on S:
A split star has at least some contributory data where another
star was sufficiently close that the "split star" method of
solution (Schechter et al, 1993PASP..105.1342S 1993PASP..105.1342S) was invoked.
Note on U:
A "u" appears for stars so faint that the nonlinearity correction
(Section 4 of the printed paper) was excessively uncertain. These
were excluded from all use and are thus not included in the totals
given in Table 2 of the printed paper.
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS1 CS1 star number
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign (1950)
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
32- 38 F7.3 mag Vcs []? CS V magnitude
40- 46 F7.3 mag Ics CS I magnitude
48- 52 I5 --- Ne Eriksson (1978UppOR..11....1E 1978UppOR..11....1E) number
54- 59 F6.2 mag Ve Eriksson (1978UppOR..11....1E 1978UppOR..11....1E) V magnitude
61- 65 F5.2 mag B-Ve Eriksson (1978UppOR..11....1E 1978UppOR..11....1E) B-V color
67- 71 F5.2 mag U-Be Eriksson (1978UppOR..11....1E 1978UppOR..11....1E) U-B color
73- 79 F7.3 mag Ve-Vcs *[]? Eriksson - CS V magnitude difference
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Note on Ve-Vcs:
Median (53 pts, 2 rej)=0.000±0.003, Median-based est. std. dev.=0.015
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS1 CS1 star number
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign (1950)
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
32- 38 F7.3 mag Vcs []? CS V magnitude
40- 46 F7.3 mag Ics []? CS I magnitude
48- 50 I3 --- Nr *Reid & Gilmore App. A number
52- 57 F6.2 mag Vr *Reid & Gilmore App. A V magnitude
59- 63 F5.2 mag B-Vr *Reid & Gilmore App. A B-V color
65- 69 F5.2 mag V-Rr *Reid & Gilmore App. A V-R color
71- 76 F6.2 mag Ir *Reid & Gilmore App. A I magnitude
78- 84 F7.3 mag Vr-Vcs *[]? R&G - CS V magnitude difference
86- 92 F7.3 mag Ir-Ics *[]? R&G - CS I magnitude difference
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Note on Nr, Vr, B-Vr, V-Rr, Ir:
Reid and Gilmore, 1982MNRAS.201...73R 1982MNRAS.201...73R, Appendix A (p. 93)
Note on Vr-Vcs:
Median (25 pts, 5 rej)=0.006±0.005, Median-based est. std. dev.=0.020
Note on Ir-Ics:
Median (40 pts, 4 rej)=0.012±0.005, Median-based est. std. dev.=0.024
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS1 CS1 star number
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign (1950)
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
32- 38 F7.3 mag Vcs []? CS V magnitude
40- 46 F7.3 mag Ics []? CS I magnitude
48- 51 I4 --- Nr *Reid & Gilmore Tab. 7 number
53- 58 F6.2 mag Vr *Reid & Gilmore Tab. 7 V magnitude
60- 65 F6.2 mag Ir *Reid & Gilmore Tab. 7 I magnitude
67- 73 F7.3 mag Vr-Vcs *R&G - CS V magnitude difference
75- 81 F7.3 mag Ir-Ics *[]? R&G - CS I magnitude difference
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Note on Nr, Vr, Ir:
Reid and Gilmore, 1982MNRAS.201...73R 1982MNRAS.201...73R, Table 7 (p. 87)
Note on Vr-Vcs:
Median (32 pts)=-0.031±0.010, Median-based est. std. dev.=0.046
Note on Ir-Ics:
Median (29 pts, 2 rej)=-0.017±0.011, Median-based est. std. dev.=0.047
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS1 CS1 star number
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign (1950)
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
32- 38 F7.3 mag Vcs []? CS V magnitude
40- 46 F7.3 mag Ics []? CS I magnitude
48- 53 I6 --- Nco *Corben number
55- 60 F6.2 mag Vco *Corben V magnitude
62- 66 F5.2 mag B-Vco *Corben B-V color
68- 72 F5.2 mag V-Rco *[]? Corben (Cat. I/129) V-R color
74- 79 F6.2 mag Ico *[]? Corben (Cat. I/129) I magnitude
81- 87 F7.3 mag Vco-Vcs *[]? Corben - CS V magnitude difference
89- 94 F6.3 mag Ico-Ics *[]? Corben - CS I magnitude difference
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Note 0n Nco, Vco, B-Vco, V-Rco, Ico:
Murray, Argyle and Corben, 1986MNRAS.223..629M 1986MNRAS.223..629M (Cat. I/129)
Note on Vco-Vcs:
Median (42 pts)=-0.004±0.004, Median-based est. std. dev.=0.019
Note on Ico-Ics:
Median (73 pts)=-0.002±0.001, Median-based est. std. dev.=0.010
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Byte-by-byte Description of file: table7.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- CS1 CS1 star number
8- 9 I2 h RAh Right ascension (1950)
11- 12 I2 min RAm Right ascension (1950)
14- 18 F5.2 s RAs Right ascension (1950)
20 A1 --- DE- Declination sign (1950)
21- 22 I2 deg DEd Declination (1950)
24- 25 I2 arcmin DEm Declination (1950)
27- 30 F4.1 arcsec DEs Declination (1950)
33- 34 A2 --- Src *Source
36- 41 F6.3 mag Vmag []? V magnitude
43- 48 F6.3 mag Imag []? I magnitude
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Note on Src:
Source Key: ccd photometry: CS this work Tab. 1
p.e.photometry: Ca this work Tab. 4
Co Murray-Argyle-Corben (Cat. I/129)
Er Eriksson (1978UppOR..11....1E 1978UppOR..11....1E)
RA Reid-Gilmore (1982MNRAS.201...73R 1982MNRAS.201...73R, App. A)
R7 Reid-Gilmore (1982MNRAS.201...73R 1982MNRAS.201...73R, Tab. 7)
ptg.photometry: Ep Eriksson (1978UppOR..11....1E 1978UppOR..11....1E)
KG Kuijken-Gilmore (1989MNRAS.239..605K 1989MNRAS.239..605K)
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Origin: AAS CD-ROM series, Volume 7, 1996 Lee Brotzman [ADS] 14-Aug-1996
References:
Eriksson, 1987 Uppsala Astron. Obs. Rep. 11,1 =1978UppOR..11....1E 1978UppOR..11....1E
Kuijken & Gilmore, 1989 Mont. N. Roy. Ast. Soc. 239, 605 =1989MNRAS.239..605K 1989MNRAS.239..605K
Murray at al., 1989 Mont. N. Roy. Ast. Soc. 223, 629 =Cat. I/129
Reid and Gilmore, 1982 Mont. N. Roy. Ast. Soc. 201, 73 =1982MNRAS.201...73R 1982MNRAS.201...73R
Schechter et al, 1993 Publ. Astron. Soc. Pac. 105, 1342 =1993PASP..105.1342S 1993PASP..105.1342S
(End) [CDS] 30-Jan-1997