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J/AZh/73/835 Identifications of objects from RC Catalog (Fletcher+, 1996)
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Identification of the Objects from the RC catalog with accuracy exceeding 1"
using the Palomar Prints and VLA maps from the MIT archive.
Fletcher A., Conner S., Crawford F., Cartwright J., Burke B.,
Pariiskii Yu.N., Soboleva N.S., Kopylov A.I.,Temirova A.V.,
Verkhodanov O.V., Naugol'naya M.N.
<Astron. Zh. 73, 835 (1996)>
=1996AZh....73..835F
=1996ARep...40..759F
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ADC_Keywords: Radio sources ; Cross identifications
Description:
Results from a continuing program for identification of sources from
the RC catalog (from observations with the RATAN-600 radio telescope)
with the APM (Automatic Plate Measuring) Northern Sky Catalogs
available via the Internet are presented. The coordinate accuracy for
the optical objects is better than 1".
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table.dat 146 102 Optical identifications
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See also:
J/AZh/74/42 : RATAN-600 radio sources spectra (Bursov 1997)
J/other/BSAO/40.5 : RATAN-600 RC radio sources (Parijskij+ 1996)
Byte-by-byte Description of file: table.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Seq Ordered source number
5- 14 A10 --- RC RC catalogue source number (J omitted)
17- 18 I2 h RAh Right ascension (1950) (from VLA map)
20- 21 I2 min RAm Right ascension (1950) (from VLA map)
23- 28 F6.3 s RAs Right ascension (1950) (from VLA map)
30 A1 --- DE- Declination sign (1950) (from VLA map)
31- 32 I2 deg DEd Declination (1950) (from VLA map)
34- 35 I2 arcmin DEm Declination (1950) (from VLA map)
37- 41 F5.2 arcsec DEs Declination (1950) (from VLA map)
44- 48 F5.2 --- Sp-Index ? Spectral index, alpha (-dlogS/dlog{nu})
49 A1 --- u_Sp-Index [:] Uncertainty flag on spectral index
50 A1 --- n_Sp-Index [s ] s - indicates that the spectrum
becomes steeper at higher frequencies
53- 54 I2 h RAoh ? Right ascension (1950) (optical)
56- 57 I2 min RAom ? Right ascension (1950) (optical)
59- 63 F5.2 s RAos ? Right ascension (1950) (optical)
65 A1 --- DEo- ? Declination sign (1950) (optical)
66- 67 I2 deg DEod ? Declination (1950) (optical)
69- 70 I2 arcmin DEom ? Declination (1950) (optical)
72- 75 F4.1 arcsec DEos ? Declination (1950) (optical)
77- 79 A3 --- Notes [EF ?] Notes: EF - empty field on the plate
83- 85 A3 --- Mo ? Optical morphology (star/galaxy)
87 A1 --- l_Rmag Limit flag on Rmag
88- 92 F5.2 mag Rmag ? Optical magnitude in R band
95- 98 F4.2 arcsec dr ? The difference between the optical and
radio coordinates
101-104 I4 mJy S1.4GHz ? Flux density at 1.4GHz
105 A1 --- u_S1.4GHz [:] Uncertainty flag on S1.4GHz
108-111 F4.1 mag Rlim ? Limiting magnitude in R band for which
radio luminosity is equal to optical one
113-117 F5.2 mag dm ? Difference between the limiting and
observed magnitudes
120-124 A5 --- RType Radio morphology (1)
127-146 A20 --- Comments Comments (2)
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Note (1): Radio morphology:
P - point,
D - double,
T - triple with core component,
M - multiple components,
Pj- point with a jet,
P+J - point with a distant jet,
ext - single extended object,
P(el) - single elliptical component
Note (2): Comments:
Law - object identified earlier by Lawrence et al., 1986ApJS...61..105L
* - objects identified earlier in [7-14]
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References:
6. Lawrence et al., 1986ApJS...61..105L
7. Veron-Cetty & Veron, 1991, Catalogue of Quasars and Active Nuclei.
Scientific Report of ESO, See Cat. <VII/215>
8. Ekers, 1969AuJPS...7....1E
9. Mills & Bolton, 1969AuJPh..22..775W
10. Wills, 1976AJ.....81.1031W
11. Condon et al., 1977AJ.....82..692C
12. Spinrad et al., 1985, Cat. <J/PASP/97/932>
13. Bugaenko et al., 1993PAZh...19...13B
14. Gorshkov & Konnikova, 1993, 1993PAZh...19..136G
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History:
* 22-Feb-2001: Prepared by Veta Avedisova [INASAN]
* 20-Apr-2001: Following a note by H. Andernach, declination of
sources #12 (0619+0506) and #69 (2343+0520) corrected according
to Parijskij (1996BSAO...40....5P)
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(End) Veta Avedisova [INASAN], Francois Ochsebein [CDS] 22-Feb-2001