J/AZh/82/420 Spectral study of 19 radio sources (Afanasiev+, 2005)
Spectral studies with the Special Astrophysical Observatory 6m and
RATAN-600 Telescopes.
Afanasiev V.L., Dodonov S.N., Moiseev A.V., Gorshkov A.G., Konnikova V.K.,
Mingaliev M.G.
<Astron. Zh. 82, 420 (2005)>
=2005AZh....82..420A 2005AZh....82..420A
=2005ARep...49..374A 2005ARep...49..374A
ADC_Keywords: Radio sources ; Spectroscopy
Abstract:
We present optical identifications, classifications, and radio spectra
of 19 radio sources from a complete sample in flux-density with the
declinations 10°-12°30' (J2000) obtained with the 6-m optical
telescope (4000-9000Å) and RATAN-600 radio telescope (0.97-21.7GHz)
of the Special Astrophysical Observatory. Twelve objects with
redshifts from 0.573-2.694 have been classified as quasars, and two
objects with featureless spectra as BL Lac objects. Four objects are
emission-line radio galaxies with redshifts from 0.204 to 0.311, one
object is an absorption-line radio galaxy with redshift 0.214. Radio
flux densities have been obtained at six frequencies for all sources
except for two extended objects. The radio spectra of five of the
sources can be separated into extended and compact components. Three
objects display substantial rapid and long-term variability of their
flux densities.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 69 19 Coordinates of the objects
table2.dat 64 65 Optical data
table3.dat 78 35 Radio data
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- Name Object name
12- 13 I2 h RAh Right ascension (J2000)
15- 16 I2 min RAm Right ascension (J2000)
18- 23 F6.3 s RAs Right ascension (J2000)
25 A1 --- DE- Declination sign (J2000)
26- 27 I2 deg DEd Declination (J2000)
29- 30 I2 arcmin DEm Declination (J2000)
32- 36 F5.2 arcsec DEs Declination (J2000)
39- 44 F6.3 arcsec oRA Offset between optical and radio position in RA
46- 51 F6.3 arcsec oDE Offset between optical and radio position in DE
52- 56 F5.2 mag Rmag USNO R magnitude
58- 62 F5.2 mag Bmag ? USNO B magnitude
65- 69 A5 --- r_Pos Reference for coordinates (1)
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Note (1): References for coordinates are as follows:
JVAS = Jordell Bank-VLA Astrometric Survey at 8.4GHz (1998, Cat. VIII/60)
NVSS = NRAS VLA Sky Survey at 1.4GHz (1998, Cat. VIII/65)
TEXAS = TEXAS survey at 0.365GHz (1996, Cat. VII/42)
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- Name Object name
15- 23 A9 --- Line Observed spectral line
24 A1 --- n_Line [*] * for line observed in absorption,
others in emission
26- 34 A9 0.1nm Lambda ? Wavelength of the rest/observed wavelength
37- 41 F5.3 --- z ? Redshift
44- 48 A5 --- Type Type of source
50- 59 A10 "DD/MM/YYYY" Date Observation date
61- 64 F4.1 min ExpTime ? Exposure time
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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- 10 A10 --- Name Object name
13- 16 I4 mJy F0.97GHz ? Flux density in 0.97GHz
19- 20 I2 mJy e_F0.97GHz ? rms error at 0.97GHz
23- 26 I4 mJy F2.3GHz Flux density in 2.3GHz
29- 30 I2 mJy e_F2.3GHz rms error at 2.3GHz
33- 36 I4 mJy F3.9GHz ? Flux density in 3.9GHz
38- 39 I2 mJy e_F3.9GHz ? rms error at 3.9GHz
42- 45 I4 mJy F7.7GHz ? Flux density in 7.7GHz
47- 48 I2 mJy e_F7.7GHz ? rms error at 7.7GHz
51- 54 I4 mJy F11.1GHz ? Flux density in 11.1GHz
56- 57 I2 mJy e_F11.1GHz ? rms error at 11.1GHz
60- 63 I4 mJy F21.7GHz ? Flux density in 21.7GHz
65- 66 I2 mJy e_F21.7GHz ? rms error at 21.7GHz
69- 78 A10 "DD/MM/YYYY" Epoch Epoch of observation
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(End) Veta Avedisova (INASAN) 28-Sep-2005