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IX/18 EINSTEIN extended source survey (EXSS) (Oppenheimer+ 1997)
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A survey of the EINSTEIN IPC Database for extended X-ray sources.
Oppenheimer B.R., Helfand D.J., Gaidos E.J.
Astron. J. 113, 2134-2146 (1997)
=1997AJ....113.2134O (SIMBAD/NED BibCode)
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ADC_Keywords: X-ray sources ; Clusters, galaxy ;
Mission_Name: Einstein
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog 328 1325 The EXSS Catalogue
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See also:
I/146 : Positions and Proper Motions (PPM-North)
I/193 : Positions and Proper Motions (PPM-South)
I/208 : Positions and Proper Motions (PPM-90000 Supplement)
VII/4 : Abell and Zwicky Clusters of Galaxies
IX/13 : 2E Catalogue (Harris+ 1994)
IX/15 : Einstein extended medium-sensitivity survey (EMSS)
telnet://einline@einline.harvard.edu/ : the EINLINE data-base
Byte-by-byte Description of file: catalog
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Bytes Format Units Label Explanations
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1- 16 A16 --- Name !+ EXSS source name
19- 27 F9.7 rad RArad Right Ascension (B1950.0)
29- 38 F10.7 rad DErad Declination (B1950.0)
40- 45 F6.3 ct/s cts1 IPC photon counts per second for the
aperture 1 detection (0.000 = no detection)
47- 52 F6.3 ct/s cts2 IPC photon counts per second for the
aperture 2 detection (0.000 = no detection)
54- 59 F6.3 ct/s cts3 IPC photon counts per second for the
aperture 3 detection (0.000 = no detection)
61- 66 F6.3 ct/s cts4 IPC photon counts per second for the
aperture 3 detection (0.000 = no detection)
68- 73 F6.2 --- S/N1 ?=0.00 Signal to noise ratio for aperture 1
75- 80 F6.2 --- S/N2 ?=0.00 Signal to noise ratio for aperture 2
82- 87 F6.2 --- S/N3 ?=0.00 Signal to noise ratio for aperture 3
89- 94 F6.2 --- S/N4 ?=0.00 Signal to noise ratio for aperture 4
98-102 F5.2 arcsec dRA1 Offset in right ascension of the
aperture 1 detection from the assumed
object position (columns 1 and 2), which
is found through the technique described
in the paper
106-110 F5.2 arcsec dDE1 Offset in declination for aperture 1
114-118 F5.2 arcsec dRA2 Offset in right ascension for aperture 2
122-126 F5.2 arcsec dDE2 Offset in declination for aperture 2
130-134 F5.2 arcsec dRA3 Offset in right ascension for aperture 3
138-142 F5.2 arcsec dDE3 Offset in declination for aperture 3
146-150 F5.2 arcsec dRA4 Offset in right ascension for aperture 4
154-158 F5.2 arcsec dDE4 Offset in declination for aperture 4
161-166 I6 --- PPM ?=-99 Star number from the Positions and
Proper Motions (PPM) Catalog (<I/146>,
<I/193> and <I/208>) for the star which
is identified with the EXSS source.
168-173 F6.2 mag Vmag ?=-99.00 V band magnitude of the PPM star
176-181 F6.2 arcsec dRA11 ?=-99.00 Right ascension difference between
PPM and EXSS positions
184-189 F6.2 arcsec dDE11 ?=-99.00 Declination difference between the
PPM and EXSS positions
191-203 A13 --- EMSS EMSS source <IX/15> identified with
the EXSS source
205-208 A4 --- Typ11 Type of the EMSS source (from EMSS catalog)
211-215 F5.1 --- S/N11 ?=-99.0 Signal to noise ratio of the EMSS
source with the EMSS detection algorithm
218-223 F6.2 arcsec dRA12 ?=-99.00 Right ascension difference between
the EMSS and the EXSS positions
226-231 F6.2 arcsec dDE12 ?=-99.00 Declination difference between
the EMSS and the EXSS positions
234-245 A12 --- ZwCl Zwicky cluster of galaxies identified with
the EXSS source (see cat. <VII/4>)
249-253 F5.1 arcsec Size ?=-99.0 Approximate size of the Zwicky
cluster (from the Zwicky catalog)
256-261 F6.2 arcsec dRA13 ?=-99.00 Right ascension difference between
ZwCl and EXSS positions.
264-269 F6.2 arcsec dDE13 ?=-99.00 Declination difference between
ZwCl and EXSS positions.
273-282 A10 --- Abell Abell cluster of galaxies identified with
the EXSS source (see cat. <VII/4>)
286-291 F6.2 arcsec dRA14 ?=-99.00 Right ascension difference between
Abell and EXSS positions
294-299 F6.2 arcsec dDE14 ?=-99.00 Declination difference between
Abell and EXSS positions
301-304 A4 --- Typ14 The type of the corresponding source in
the EINLINE database that is identified
with the EXSS source (1)
308-313 F6.2 arcsec dRA15 ?=-99.00 Right ascension difference between
EINLINE and EXSS positions
316-321 F6.2 arcsec dDE15 ?=-99.00 Declination difference between
EINLINE and EXSS positions
323-328 F6.2 arcsec2 d2 ?=140.01 The quadratic sum of dRA15 and dDE15
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Note (1): to enter the EINLINE service, telnet to einline.harvard.edu
login as 'einline', with no password
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History:
From http://astro.caltech.edu/~bro/exss/exss.html
================================================================================
(End) Jean-Marie Hameury, Francois Ochsenbein [CDS] 27-Aug-1997