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Detailed Description of J/ApJS/111/163 :
Einstein X-ray survey of galaxies. I. (Burstein+ 1997)
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Note : this is the description file of the original catalog.
This HTML page corresponds well to the original description, but some minor
changes in the format may have been introduced in the FITS output
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such as coordinates and times. h:m:s and d:m:s units are normally
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Similarly, some slight changes may have been introduced in the
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file for this catalogue.
J/ApJS/111/163 Einstein X-ray survey of galaxies. I. (Burstein+ 1997)
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An Einstein X-ray survey of optically selected galaxies. I. Data
Burstein D., Jones C., Forman W., Marston A.P., Marzke R.O.
<Astrophys. J. Suppl. Ser. 111, 163 (1997)>
=1997ApJS..111..163B
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ADC_Keywords: Galaxies, optical ; X-ray sources ; Magnitudes
Mission_Name: Einstein
Keywords: catalogs - galaxies: distances and redshifts - surveys -
X-rays: galaxies
Abstract:
We present the results of a complete Einstein imaging proportional
counter X-ray survey of optically-selected galaxies from the
Shapley-Ames Catalog (Cat. VII/112), the Uppsala General Catalog
(Cat. VII/26) and the European Southern Observatory Catalog (Cat.
VII/115). Well-defined optical criteria are used to select the
galaxies, and X-ray fluxes are measured at the optically-defined
positions. The result is a comprehensive list of X-ray detection and
upper limit measurements for 1018 galaxies. Of these, 827 have either
independent distance estimates or radial velocities. Associated
optical, redshift, and distance data have been assembled for these
galaxies, and their distances come from a combination of directly
predicted distances and those predicted from the Faber-Burstein Great
Attractor/Virgocentric infall model. The accuracy of the X-ray fluxes
has been checked in three different ways; all are consistent with the
derived X-ray fluxes being of <=0.1 dex accuracy. In particular, there
is agreement with previously published X-ray fluxes for galaxies in
common with a 1991 study by Roberts et al. (1991ApJS...75..751R) and a
1992 study by Fabbiano et al. (1992ApJS...80..531F).The data presented
here will be used in further studies to characterize the X-ray output
of galaxies of various morphological types and thus to enable the
determination of the major sources contributing to the X-ray emission
from galaxies.
Description:
The Einstein X-Ray Survey data consist of 3 separate kinds of files
for each of our three data subsets:
Tables 5-7: These tables give the basic observed data for the galaxies
for which the authors were able to obtain X-ray data, both detections
and upper limits. Included are both observed X-ray data and correlated
optical data.
Tables 9-11: These tables list the galaxies that were included in the
search of the IPC images, but for which X-ray fluxes were not
measured. A code explains why no measurement was made.
Tables 12-14: These tables list the distance-dependent parameters,
including predicted distance, method of predicted distance, X-ray
luminosities or upper limits, absolute B optical diameters and
absolute B magnitudes.
File Summary:
FileName Lrecl Records Explanations
× 80 . This file
× ReadMe 80 . This file
× table5.dat 89 313 Properties of Shapley-Ames galaxies with X-ray
observations
× table6.dat 89 393 Properties of UGC galaxies with X-ray observations
× table7.dat 90 312 Properties of ESO galaxies with X-ray observations
× table9.dat 19 91 Shapley-Ames galaxies without X-ray observations
× table10.dat 19 277 UGC galaxies without X-ray observations
× table11.dat 19 373 ESO galaxies without X-ray observations
× table12.dat 51 313 Derived properties of X-ray observed Shapley-Ames
galaxies
× table13.dat 51 329 Derived properties of X-ray observed UGC galaxies
× table14.dat 51 180 Derived properties of X-ray observed ESO galaxies
See also:
IX/13 : The 2E Catalogue (Harris+ 1994)
IX/15 : Einstein EMSS Survey (Gioia+ 1990, Stocke+ 1991)
IX/18 : EINSTEIN extended source survey (EXSS) (Oppenheimer+ 1997)
VII/112 : RC2 Catalogue (de Vaucouleurs+ 1976)
VII/26 : Uppsala General Catalogue of Galaxies (UGC) (Nilson 1973)
VII/115 : The surface photometry catalogue of the ESO-Uppsala galaxies
Byte-by-byte Description of file: table5.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name *Name given in the RC2 (Cat. <VII/112>)
11- 15 F5.2 mag BT *B mag as given in the RC2
19- 22 F4.2 [0.1arcmin] logD *log of diameter in B band
25- 26 I2 --- MType *Morphological type code, RC2
28- 32 I5 --- IPCfield *IPC Field Number (-1 if more than one)
35- 39 I5 s ExpTime *Total exposure time for IPC field(s)
42- 43 I2 h RAh Right Ascension (1950), RC2
45- 49 F5.2 min RAm Right Ascension (1950), RC2
51 A1 --- DE- Declination sign
52- 53 I2 deg DEd Declination (1950), RC2
55- 58 F4.1 arcmin DEm Declination (1950), RC2
60- 66 F7.2 ct/ks CTXray *X-ray count-rate
70- 74 F5.2 ct/ks e_CTXray *X-ray count-rate, 1-sigma error
76- 80 F5.3 --- Corr *Correction factor to X-ray ct rate
82- 86 F5.3 --- Vignette *Vignetting correction to X-ray count rate
89 I1 --- ApCode *Code for X-ray aperture size
Note on Name:
Name for Shapley-Ames Galaxy given in RC2 (de Vaucouleurs et al.,
1976, Cat. VII/112
Note on BT:
Either BT (if given) or otherwise mB as given in computer version of RC2.
Note on logD:
log of RC2 observed B mag diameter, log D_25, as observed,
Note on MType:
RC2 numerical code for galaxy morphological type, with the Burstein revision
that I0 = -7 (not 0 as in RC2).
Note on IPCfield:
IPC Field Number on which X-ray flux was measured. If more than one IPC field
was measured, a -1 is entered here, and the fields used are given in Table 8
of the paper.
Note on ExpTime:
Total exposure time for IPC images, summed over all observed fields.
Note on CTXray:
X-ray count rate and error, in units of 1000 times observed count rate,
only deadtime-corrected and background-corrected.
Note on e_CTXray:
Error in X-ray count rate, taking into account all sources of random error.
Note on Corr:
Multiplicative correction factor for HI column density and source energy 8
distribution, to transform vignetting-corrected and dead-time corrected
source counts to X-ray flux in units of 10^{-11} ergs/cm2/s.
Note on Vignette:
Vignetting correction, to be divided into observed count rate.
Note on ApCode:
Numerical code for the largest aperture used to obtain the X-ray count rate.
1 = 200" aperture, 2 = 232" aperture, 3 = 264" aperture and 4 = 296" aperture.
Byte-by-byte Description of file: table6.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name UGC (Cat. VII/26) number of galaxy
11- 15 F5.2 mag Bmag *B mag as given in the UGC (Cat. <VII/26>)
19- 22 F4.2 [0.1arcmin] logD *log B diameter, UGC (Cat. <VII/26>)
25- 26 I2 --- MType *Burstein morphological type code, UGC
28- 32 I5 --- IPCfield IPC Field Number (-1 if more than one)
35- 39 I5 s ExpTime Total exposure time for IPC field(s)
42- 43 I2 h RAh *Right Ascension 1950
45- 49 F5.2 min RAm *Right Ascension 1950
51 A1 --- DE- *Declination sign
52- 53 I2 deg DEd *Declination 1950
55- 58 F4.1 arcmin DEm *Declination 1950
60- 66 F7.2 ct/ks CTXray X-ray count-rate
70- 74 F5.2 ct/ks e_CTXray X-ray count-rate, 1-sigma error
76- 80 F5.3 --- Corr Correction factor to X-ray ct rate
82- 86 F5.3 --- Vignette Vignetting correction to X-ray ct rate
89 I1 --- ApCode Code for X-ray aperture size
Note on Bmag:
If Bmag<=15.7, comes from Zwicky (1961-1968, Cat. VII/49) via Huchra
(1976AJ.....81..952H) corrections. Otherwise it is just a rough estimate
(accuracy 0.5-1.0 mag) by Nilson (1973, Cat. VII/26).
Note on logD:
log of UGC Bmag diameter
Note on MType:
Burstein developed a hierarchical numerical typing system for Morphological
types. The abbreviated system for the UGC and ESO catalogs is as follows:
Burstein Code Number Classification
1 E and E/S0
10 All S0
11 All S0/a
12 All Sa
13 All Sa/b
14 All Sb
15 All Sb/Sc
16 All Sc
17 All Sc/Sd
18 All Sd
19 All Sd/Irr
20 All Irr
30 All non-divided classified types
40 Dwarf galaxies
50 Compact galaxies and N galaxies
60 Multiple systems
70 Peculiar galaxies
90 No galaxy class given
Note on RAh, RAm, DE-, DEd, DEm:
Right Ascension and Declination are as determined either by Dressel & Condon
(1976ApJS...31..187D) or by our own measurements. Accuracy of ±8" in
positions.
Byte-by-byte Description of file: table7.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name ESO (Cat. VII/115) name for galaxy
12- 16 F5.2 mag Bmag *?=0.00 B mag, ESO-LV catalog
20- 24 F5.2 [0.1arcmin] logD *?=-1.10 log of diameter in B band, ESO-LV
27- 28 I2 --- MType *Burstein morphological type code, ESO-LV
30- 34 I5 --- IPCfiled IPC Field Number (-1 if more than one)
36- 40 I5 s ExpTime Total exposure time for IPC field(s)
43- 44 I2 h RAh Right Ascension (1950), ESO-LV
46- 50 F5.2 min RAm Right Ascension (1950), ESO-LV
52 A1 --- DE- Declination sign
53- 54 I2 deg DEd Declination (1950), ESO-LV
56- 59 F4.1 arcmin DEm Declination (1950), ESO-LV
61- 67 F7.2 ct/ks CRXray X-ray count-rate
71- 75 F5.2 ct/ks e_CRXray X-ray count-rate, 1-sigma error
77- 81 F5.3 --- Corr Correction factor to X-ray ct rate
83- 87 F5.3 --- Vignette Vignetting correction to X-ray ct rate
90 I1 --- Ap_code Code for X-ray aperture size
Note on Bmag:
B mag as given in the ESO-LV catalog (Lauberts & Valentijn, 1989,
Cat. VII/115). 0.00 if no mag given.
Note on logD:
log of ESO-LV B mag diameter at 25th mag isophote; -1.10 if no diameter given.
Note on MType:
See the note for MType in table6.dat.
Byte-by-byte Description of file: table9.dat table10.dat table11.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name *Name (RC2, UGC or ESO)
12- 16 F5.2 mag BT *B mag as given in the RC2, UGC or ESO-LV
19 I1 --- exCode *Reason for omission from survey
Note on Name:
In table9.dat : Name for Shapley-Ames Galaxy given in RC2 (de Vaucouleurs
et al. 1976, Cat. VII/112)
In table10.dat: UGC (Cat. VII/26) number of galaxy
In table11.dat: ESO (Cat. VII/115) name for galaxy
Note on BT:
In table9.dat : Either B_T (if given) or otherwise Bmag as given in computer
version of RC2 (Cat. VII/112)
In table10.dat: Bmag as given in UGC ((Cat. VII/26).
If B_T<=15.7, comes from Zwicky (1961-1968, Cat. VII/49);
otherwise just a rough estimate (accuracy 0.5-1.0 mag).
In table11.dat: B mag as given in the ESO-LV catalog (Lauberts & Valentijn
1989, Cat. VII/115). 0.00 if no mag given.
Note on exCode:
Reason for omitting galaxy from X-ray survey:
0 = image not available in processed form;
2 = on IPC 'ribs';
3 = on or off edge of IPC field;
4 = in obvious diffuse emission;
7 = too large for this survey
9 = only HRI image available.
Byte-by-byte Description of file: table12.dat table13.dat table14.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name *Name given in the RC2, UGC or ESO-LV
11- 15 I5 km/s HRV *Heliocentric radial velocity
17- 22 F6.2 Mpc Dist *Distance
25- 26 I2 --- r_Dist *Source of distance
28- 33 F6.2 mag BMag *?=0.00 Absolute blue magnitude
36- 40 F5.2 [kpc] logDabs *?=0.00 log of metric diameter
42 A1 --- l_logLXray *Symbol if detected or upper limit
43- 47 F5.2 [10-7W] logLXray *log of Absolute X-ray luminosity/upp-limit
51 I1 --- SyCode *? Code if Seyfert galaxy
Note on Name:
In table12.dat: Name for Shapley-Ames galaxy as given in the
RC2 (Cat. VII/112).
In table13.dat: UGC (Cat. VII/26) number of galaxy
In table14.dat: ESO (Cat. VII/115) name for galaxy
Note on HRV:
The heliocentric velocity, from sources as cited in the paper, including:
RC2 (Cat. VII/112), RC3 (Cat. VII/155), NASA Extragalactic Database (NED)
Note on Dist:
Distance based on the source of distance (r_Dist), assuming H0=75km/s/Mpc.
Note on r_Dist:
A numerical code for the source of distance estimate. All independent
distance measurements come from
Willick et al. (1996ApJ...457..460W and ADC-distributed data base);
see references therein for details of individual data sets.
The abbreviations correspond to the notation of Willick et al.
1 = Faber et al. (1989, Cat. VII/176)
2 = Tormen & Burstein reanalysis of Aaronson et al. (1982, Cat. < VII/75>)
H-0.05 magnitudes (A82);
3 = Han, Mould et al. Northern survey data (e.g.,
Han & Mould, 1992ApJ...396..453H; HM);
4 = Han, Mould et al. Southern survey data (e.g.,
Han & Mould, 1992ApJ...396..453H; HM);
5 = Courteau and Faber data (CF; Courteau, 1992, Ph.D. Thesis);
6 = Mathewson, Ford & Buchhorn (1992ApJS...81..413M; MAT);
7,8 = Willick (Willick et al., 1996ApJS..109..333W);
9 = from Faber-Burstein Great Attractor velocity field model for an
associated cluster or a Local Group galaxy;
10 = from Faber-Burstein Great Attractor velocity field model for this
galaxy;
90 = from Mark II data set (Burstein, 1989, Mark II Catalog of Galaxies
Peculiar Velocities, email distribution);
99 = from Willick et al. (1996ApJS..109..333W) but observed 2 or more times.
Note on BMag:
In table12.dat: Absolute Blue mag, corrected for Galactic extinction from
Burstein & Heiles (1984ApJS...54...33B and from the BH reddening maps)
and redshift/K-corr via RC2 principles. For spiral and irregular
galaxies, also corrected for inclination via the general RC3 relation:
{delta}B_T=-1.5log(a/b), where a/b is the observed axial ratio.
In table13.dat: 0.00 if no magnitude given
In table14.dat: 0.00 if no magnitude given
observed axial ratio.
Note on logDabs:
In table12.dat: Absolute B mag diameter, 25th mag isophote, in kpc.
Corrected for Galactic extinction only; no inclination correction made.
In table14.dat: 0.00 if no distance given
Note on l_logLXray:
Upper limit symbol. '<' if upper limit; >2.5{sigma} detection if blank.
Note on logLXray:
log of absolute X-ray luminosity, fully-corrected as described in the paper.
Note on SyCode:
A code for the type of Seyfert galaxy:
blank = not a Seyfert
1 = Seyfert 1
2 = Seyfert 2
3 = Seyfert ?
Seyfert classifications taken from NED.
Origin: AAS CD-ROM series, Volume 9, 1997, Lee Brotzman [ADS] 17-Jun-97
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(End) [CDS] 06-Feb-1998