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VII/166  Quasars and Active Galactic Nuclei (6th Ed.)     (Veron+ 1993)

Quasars and Active Galactic Nuclei (6th Ed.) Veron-Cetty M.P., Veron P. <ESO Scientific Report 13 (1993)> =1993ESOSR..13....1V (SIMBAD/NED Reference)
ADC_Keywords: QSOs ; Active gal. nuclei ; BL Lac objects ; Description: This catalogue is an update of the the previous versions which now contains 7383 (+54) quasars, 171 BL Lac objects, and 1855 AGNs. See also: VII/188 : Veron-Cetty M.P., Veron P., 7th Edition (1996) References: (1) Veron-Cetty, M.-P. & Veron, P., 1984, ESO Scientific Report 1 (2) Veron-Cetty, M.-P. & Veron, P., 1985, ESO Scientific Report 4 (3) Veron-Cetty, M.-P. & Veron, P., 1987, ESO Scientific Report 5 (4) Veron-Cetty, M.-P. & Veron, P., 1989, ESO Scientific Report 7 (5) Veron-Cetty, M.-P. & Veron, P., 1991, ESO Scientific Report 10 (7) Veron-Cetty, M.-P. & Veron, P., 1996, ESO Scientific Report File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 100 7437 Quasars (defined as brighter than absolute B magnitude -23) table2.dat 100 171 BL Lac objects table3.dat 100 1855 Active Galaxy Nuclei (defined as fainter than absolute B magnitude -23) table4.dat 86 52 Objects with a published redshift, but later shown not to be a quasar. refs.dat 81 1834 References
Byte-by-byte Description of file: table1.dat table2.dat table3.dat
Bytes Format Units Label Explanations
1 A1 --- FLAG [*] A flag which is blank if the object has been detected as a radio source and which is '*' if not. 2- 18 A17 --- Name Most common name of the object. 20- 21 I2 h RAh Right Ascension 1950 (hours) 22 A1 --- n_RAh Note on the position: 'A' means low-accuracy position 'O' means optical position 'R' means radio position measured both 'O' and 'R" positions measured with an accuracy better than 1 arcsec 23- 24 I2 min RAm RA1950 (minutes) 26- 29 F4.1 s RAs RA1950 (seconds) 30 A1 --- DE- Declination 1950 (Sign) 31- 32 I2 deg DEd DE1950 (degrees) 34- 35 I2 arcmin DEm DE1950 (') 37- 38 I2 arcsec DEs DE1950 (") 39 A1 --- n_Vmag [/R] Note on the "V" magnitude '/' indicates photographic magnitude and colours when the colours are given. 'R' indicates a red magnitude 40- 44 F5.2 mag Vmag ? V magnitude, or photographic or red magnitude depending on n_Vmag 46- 50 F5.2 mag B-V ? Colour index 51- 55 F5.2 mag U-B ? Colour index 56 A1 --- l_z [/>] Note on the redshift: '/' means that the redshift was estimated from a low dispersion slitless spectrum. '>' indicates that z is a lower limit 57- 61 F5.3 --- z ? Value of the redshift 62- 67 F6.3 Jy F6cm ? 6cm flux (Jy) 68- 71 I4 --- r_F6cm [1,1486]?=0 Reference of 6cm Flux 72- 76 F5.2 Jy F11cm ? 11cm flux (Jy) 77- 80 I4 --- r_F11cm [1,1486]?=0 Reference of 11cm flux 84 A1 --- Xray [X] 'X' when the object was detected in the X-ray range 85- 86 A2 --- Class [S123?HPBL ] Classification of the object: S1: Seyfert 1 spectrum S2: Seyfert 2 spectrum S3: Seyfert 3 or liner S?: possibly a Seyfert H2: nuclear HII region HP: high optical polarization (>3%) BL: confirmed BL Lac object 87- 90 I4 --- FC [1,1486]? Reference of the Finding Chart 92- 95 I4 --- r_Vmag [1,1486]? Reference of the Photometry 97-100 I4 --- r_z [1,1486]? Reference of the redshift
Byte-by-byte Description of file: table4.dat
Bytes Format Units Label Explanations
1 A1 --- FLAG [*] Flag similar to table1 2- 12 A11 --- Name Most common name of the object. 13- 18 A6 --- 4C Its number in 4C radio source catalogue 20- 21 I2 h RAh Right Ascension 1950 (hours) 22 A1 --- n_RAh Note on the position, as in table1 23- 24 I2 min RAm RA1950 (minutes) 26- 29 F4.1 s RAs RA1950 (seconds) 30 A1 --- DE- Declination 1950 (Sign) 31- 32 I2 deg DEd DE1950 (degrees) 34- 35 I2 arcmin DEm DE1950 (') 37- 38 I2 arcsec DEs DE1950 (") 39 A1 --- n_Vmag [/R] Note on Vmag, as in table1 40- 44 F5.2 mag Vmag ? V magnitude, as in table1 46- 50 F5.2 mag B-V ? Colour index 51- 55 F5.2 mag U-B ? Colour index 56 A1 --- l_z [/>] Note on the redshift, as in table1 57- 61 F5.3 --- z ? Value of the redshift 62- 63 A2 --- Class0 Original classification, as in table1 65- 66 A2 --- Class1 [*G? ] New classification, with symbols 'G' = galaxy '*' = Star 68- 71 I4 --- FC [1,1486]? Reference of the Finding Chart 73- 76 I4 --- r_Vmag [1,1486]? Reference of the Photometry 78- 81 I4 --- r_z [1,1486]? Reference of the redshift 83- 86 I4 --- r_Class1 [1,1486]? Reference of New classification
Byte-by-byte Description of file: refs.dat
Bytes Format Units Label Explanations
1- 4 I4 --- Ref Reference number 6- 81 A76 --- Text Text of the reference. A blank in column 6 indicates a continuation line
Courtesy: Mira Veron Historical Notes: * 02-Feb-1994: First archived * 17-Feb-1995: added '+' sign in positive declination, and zero-filled the position components.
(End) Francois Ochsenbein [CDS], Mira Veron [OHP] 17-Feb-1995
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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