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J/ApJ/269/352       Quasar evolution                         (Schmidt+, 1983)

Quasar evolution derived from the Palomar Bright Quasar Survey and other complete quasar surveys. Schmidt M., Green R.F. <Astrophys. J. 269, 352 (1983)> =1983ApJ...269..352S (SIMBAD/NED BibCode)
ADC_Keywords: Surveys ; QSOs Keywords: cosmology - luminosity functions - quasars Abstract: We present the Bright Quasar Survey (BQS) consisting of 114 objects to an average limiting magnitude B=16.16 over an area of 10714°2. There are 92 quasars with MB←23 in the sample. We use the BQS and complete samples from published surveys to derive models of the statistical evolution of quasars. The increase of space density with redshift depends strongly on absolute luminosity, being close to zero for low-luminosity quasars. Detailed predictions are given for the distribution of redshifts and magnitudes and for the total counts based on the evolution models. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 103 114 The Palomar Bright Quasar Survey table3.dat 22 60 Complete quasar samples table8.dat 21 110 Redshift-magnitude table a for model HH1 (G1) table9.dat 20 110 Redshift-magnitude table a for model HL1 (G1) table10.dat 20 110 Redshift-magnitude table a for model HH5 (G1) table11.dat 20 110 Redshift-magnitude table a for model HL5 (G1)
See also: J/AJ/108/1163 : Radio structure of Quasars (Kellermann+ 1994) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 8 A8 --- PG PG number 11- 12 I2 h RAh Right ascension (1950.0) 14- 15 I2 min RAm Right ascension (1950.0) 17- 20 F4.1 s RAs Right ascension (1950.0) 22 A1 --- DE- Declination sign (1950.0) 23- 24 I2 deg DEd Declination (1950.0) 26- 27 I2 arcmin DEm Declination (1950.0) 29- 30 I2 arcsec DEs Declination (1950.0) 32- 36 F5.3 --- z Redshift 38- 42 F5.2 mag Bmag B magnitude 44- 48 F5.2 mag Blim Limiting B magnitude 50- 52 A3 --- Neb Nebulosity flag 54- 62 A9 --- Rem Remarks 64- 69 F6.2 mag BMAG1 Absolute B magnitude, for q=0.1 models (G1) 71- 76 F6.2 --- log(1/Va')hh1 Inverse of density-weighted accessible volume, log(1/Va'), for model HH1 (G1) 78- 83 F6.2 --- log(1/Va')hl1 Inverse of density-weighted accessible volume, log(1/Va'), for model HL1 (G1) 85- 90 F6.2 mag BMAG5 Absolute B magnitude, for q=0.5 models (G1) 92- 96 F5.2 --- log(1/Va')hh5 Inverse of density-weighted accessible volume, log(1/Va'), for model HH5 (G1) 98-103 F6.2 --- log(1/Va')hl5 Inverse of density-weighted accessible volume, log(1/Va'), for model HL5 (G1)
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 6 A6 --- Name Quasar name (1) 7 A1 --- n_Name [b] Note on Redshift (2) 9- 13 F5.3 --- z Redshfit 14- 15 A2 --- u_z [: ] Uncertainty flag on z 17- 21 F5.2 mag Bmag B magnitude
Note (1): Nomenclature: AB: Braccesi sample , 1980A&A....85...80B CT and UM: Curtis-Schmidt samples, from CTIO survey and University of Michigan survey, respectively HS and SW: 4-m grating prism surveys, HS: Hoag-Smith, 1977ApJ...217..362H, [HS77] HHMMSS.s-DDMMSS, SW: Sramek-Weedman 1978ApJ...221..468S, KP NN, KC: Kron-Chiu sample, 1981PASP...93..397K, Chiu SA 57 NNN Note (2): b: the redshift is based on the arbitrary identification of the single observed emission line as CIV. Differents values of the redshift will result if the line is identified as Lyα or MgII emission
Byte-by-byte Description of file: table8.dat table9.dat table10.dat table11.dat
Bytes Format Units Label Explanations
1- 3 F3.1 --- z Redshift 5- 9 F5.2 mag AB(6500) AB(6500) magnitude 11- 12 I2 mag Bmag Bmagnitude 14- 20 F7.4 --- n(Bmag,z) Surface density, for AB(6500), Bmag and z (1)
Note (1): Average values: ------------------------------------------------------------------------------- AB(6500) 13.55 14.55 15.55 16.55 17.55 18.55 19.55 20.55 21.55 22.55 23.5 B 14 15 16 17 18 19 20 21 22 23 24 ------------------------------------------------------------------------------- N(z<3.5) 0.0008 0.0056 0.0517 0.415 2.71 13.5 51.1 95 101 61 6 N(z<3.5) 0.0009 0.0056 0.0517 0.398 2.28 8.6 24.3 29 14 4 0 N(z<3.5) 0.0007 0.0056 0.0501 0.410 2.84 15.2 49.0 97 102 15 0 N(z<3.5) 0.0007 0.0056 0.0501 0.388 2.33 10.3 23.4 26 16 2 0
GLobal notes: Note (G1): Evolution models: Models ----------------------------------------------- Parameter HH1 HL1 HH5 HL5 ----------------------------------------------- q0 0.1 0.1 0.5 0.5 M0 -21.87 -23.26 -20.12 -22.01 k 3.13 4.19 2.18 3.14 -----------------------------------------------
History: Prepared via OCR at CDS.
(End) James Marcout, Patricia Bauer [CDS] 25-Jun-2001
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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