J/AJ/123/578 Quasars in the Coma cluster (Chen+, 2002)
The Multiwavelength Quasar Survey. II. Quasars in the Coma cluster.
Chen Y., He X.-T., Wu J.-H., Li Q.-K., Green R.F., Voges W.
<Astron. J. 123, 578 (2002)>
=2002AJ....123..578C 2002AJ....123..578C
ADC_Keywords: QSOs ; Galaxies, Seyfert ; BL Lac objects ; X-ray sources
Keywords: galaxies: active - galaxies: clusters: individual (Coma) -
quasars: general
Abstract:
This is the second paper of the series about our Multiwavelength
Quasar Survey. We present the observational results for the X-ray
candidates in the field of the Coma Cluster. Nine new X-ray active
galactic nuclei are discovered.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 44 98 The X-ray AGNs candidates
table2.dat 54 21 The X-ray AGN sample
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See also:
J/A+AS/109/147 : ROSAT AGN content (Brinkmann+, 1995)
J/A+AS/110/469 : AGN from the RASS (Bade+, 1995)
J/A+A/323/739 : ROSAT detected quasars. II. (Brinkmann+ 1997)
J/A+A/350/805 : X-ray selected ROSAT AGN spectra (Grupe+, 1999)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 15 A15 --- RXJ ROSAT name (HHMMSS.S+DDMMSS)
17- 21 F5.3 ct/s CRate Count rate
23- 28 F6.3 --- logX/O The X-ray-to-optical flux ratio
30- 35 F6.3 --- HR1 Hardness ratio
37- 40 F4.1 mag Bmag The B magnitude obtained from USNO-A2.0
42 A1 --- f_Bmag [*] Flag on Bmag (1)
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Note (1): * = Source known as Seyferts with logX/O≤-1.0 and Bmag≤16.0.
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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- 15 A15 --- RXJ ROSAT name (HHMMSS.S+DDMMSS)
17- 18 I2 h RAh Right ascension (J2000)
20- 21 I2 min RAm Right ascension (J2000)
23- 26 F4.1 s RAs Right ascension (J2000)
28 A1 --- DE- Declination sign (J2000)
29- 30 I2 deg DEd Declination (J2000)
32- 33 I2 arcmin DEm Declination (J2000)
35- 36 I2 arcsec DEs Declination (J2000)
38- 42 F5.3 --- z Emission redshift
44- 48 F5.1 mag BMAG Absolute B magnitude
50- 52 A3 --- Type Type (Seyfert, BL Lac or QSO)
54 A1 --- New [a] a: Newly identified X-ray AGN
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History:
From electronic version of the journal
* 04-Jan-2003: Corrected in table2 125718.8+272426 into 125710.8+272426
References:
He et al., Paper I 2001AJ....121.1863H 2001AJ....121.1863H
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 19-Apr-2002