Einstein extended deep survey Virtual Observatory Resource

Authors
  1. Primini F.A.
  2. Murray S.S.
  3. Huchra J.
  4. Schild R.
  5. Burg R.
  6. Giacconi R.
  7. Published by
    CDS
Abstract

The Einstein Deep Survey program (EDS) consists of very deep X-ray exposures in selected regions of the sky at high galactic latitude. The main purposes of the survey are to investigate the nature of the extragalactic X-ray background through direct source counts at very low flux levels and to study the nature of the very faint X-ray sources which comprise a significant fraction, if not all, of the soft X-ray background. The survey includes 9 IPC observations and 34 HRI observations, which, in general, cover the central 32'x32' regions of the IPC fields. In total, 178 IPC sources and 202 HRI sources were detected above thresholds set to allow ~1 false source per observation. Data from all IPC energy bands and all HRI detect cells are included. The data are largely the result of standard Einstein Rev. 1 HRI and Rev. 1B IPC reprocessing; however, minor corrections to IPC count rates, fluxes, and flux significances have been made to account for different column densities toward various fields and small systematic errors in the IPC analysis of count rates and significances for long exposures. For further details please refer to the paper referenced above. The HRI field parameters have been determined from standard processing and from other information contained in the HRI .SDF file. For information on HRI sources, see the table "hsrc.dat"; for information on individual IPC fields, see the table "ifield.dat".

Keywords
  1. quasars
  2. x-ray-sources
Bibliographic source Bibcode
1991ApJ...374..440P
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/IX/22
IVOA Identifier IVOID
ivo://CDS.VizieR/IX/22

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=IX/22
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=IX/22
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=IX/22
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/targets?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/targets?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/targets?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/hfield?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/hfield?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/hfield?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/hsrc?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/hsrc?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/hsrc?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/ifield?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/ifield?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/ifield?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/isrc?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/isrc?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/isrc?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/sample?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/sample?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/sample?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/IX/22/ipchri?
https://vizier.iucaa.in/viz-bin/conesearch/IX/22/ipchri?
http://vizieridia.saao.ac.za/viz-bin/conesearch/IX/22/ipchri?

History

2001-07-02T12:51:19Z
Resource record created
2001-07-02T12:51:19Z
Created
2013-03-05T06:33:15Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr