VIII/33 Spectral characteristics of RATAN (RC) Catalog (Bursov+ 1989)
A study of spectral characteristics of the RC-Catalog and preliminary
optical identifications.
Bursov N.N., Gol'neva N.E., Lipovka N.M., Soboleva N.S., Temirova A.V.
<Soobshch. Spets. Astrof. Obs. 63, 50 (1989)>
=1989SoSAO..63...50B 1989SoSAO..63...50B
ADC_Keywords: Radio sources
Description:
The spectral analysis of the RC-catalog of the experiment "Cold"
containing 840 radiosources in the interval of right ascension 4-22h
are made. 280 spectra of radiosources are presented; 215 spectra are
new. The mean spectral index for 196 objects with steep spectra
(alpha ≥ 0 5) and flux densities >12mJy is 0.87±0.01.
The preliminary optical identification of radiosources with
catalogued galaxies is done.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
spindex 20 336 List of Sources and Spectral indexes
radio 81 2027 Radio fluxes
opt 72 72 Optical identifications
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See also:
J/A+AS/87/1 : The RATAN-600 7.6 cm catalog
(Parijskij et al, 1991)
Byte-by-byte Description of file: spindex
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Bytes Format Units Label Explanations
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1- 14 A14 --- Name Name of Source: RC, J2000-based position;
"t" stands for "twin" objects
15- 20 F6.3 --- alpha ? Spectral index (S prop. to nu**(-alpha))
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Byte-by-byte Description of file: radio
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Bytes Format Units Label Explanations
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1- 14 A14 --- Name Name of Source: RC, J2000-based position;
"t" stands for "twin" objects
16- 17 I2 h RAh Right Ascension 1950 (hours)
19- 20 I2 min RAm Right Ascension 1950 (minutes)
22- 27 F6.3 s RAs Right Ascension 1950 (seconds)
29- 34 F6.3 s e_RAs ? Mean error on RAs
36 A1 --- DE- ? Declination 1950 (sign)
37- 38 I2 deg DEd ? Declination 1950 (degrees)
40- 41 I2 arcmin DEm ? Declination 1950 (minutes)
43- 48 F6.3 arcsec DEs ? Declination 1950 (seconds)
49- 55 F7.3 arcsec e_DEs ? Mean error on DEs
57- 62 I6 MHz nu ? Frequency of observation
64 A1 --- l_S(nu) Limit flag on S(nu)
67- 71 I5 mJy S(nu) ? Flux density
73- 76 I4 mJy e_S(nu) ? Mean error on Flux density
79- 80 A2 --- r_S(nu) Reference (see "References" section)
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Byte-by-byte Description of file: opt
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 14 A14 --- Name Name of Source: RC, J2000-based position;
"t" stands for "twin" objects
16- 17 I2 h RAh Right Ascension 1950 (hours)
19- 20 I2 min RAm Right Ascension 1950 (minutes)
22- 27 F6.3 s RAs Right Ascension 1950 (seconds)
29- 35 F7.4 s e_RAs ? Mean error on RAs
36 A1 --- DE- Declination 1950 (sign)
37- 38 I2 deg DEd Declination 1950 (degrees)
40- 41 I2 arcmin DEm Declination 1950 (minutes)
43- 48 F6.3 arcsec DEs ? Declination 1950 (seconds)
49- 55 F7.3 arcsec e_DEs ? Mean error on DEs
60- 62 A3 --- Obj Optical identification (1)
64- 68 F5.2 mag Mag ? Magnitude of the optical counterpart
71- 72 A2 --- r_Obj Reference (see "References" section)
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Note (1): the following abbreviations are used:
Q = QSO ; G,E = Galaxy ; B = Blue object ;
ST = Stellar-like object ; CG = Compact Galaxy.
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References:
1 Amirhanyan V.R., et al. (1989), Separata, Moscow Univ.
2 Bennet C.L., Lawrence C.R., Burke B.F., Hewitt J.N.
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RC Ratan Catalogue
Historical Notes:
* 15-Dec-1995 : The catalog was created by J. Marcout at CDS in
November 1995 from the paper publication.
Several errors in the original reference list have been corrected.
(End) James Marcout, Francois Ochsenbein [CDS] 15-Dec-1995