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The Hamburg Identification Program of Rosat All-Sky Survey Sources

Published online by Cambridge University Press:  25 May 2016

N. Bade ,
L. Cordis ,
D. Engels ,
D. Reimers  and
W. Voges
N. Bade
Affiliation:
Hamburger Sternwarte, Hamburg, Germany
L. Cordis
Affiliation:
Hamburger Sternwarte, Hamburg, Germany
D. Engels
Affiliation:
Hamburger Sternwarte, Hamburg, Germany
D. Reimers
Affiliation:
Hamburger Sternwarte, Hamburg, Germany
W. Voges
Affiliation:
MPI für Extraterrestrische Physik, Garching, Germany

Extract

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The ROSAT All Sky Survey (RASS), performed between July 1990 and February 1991, provided about 60,000 X-ray sources in a soft X-ray band (0.1–2.4keV) with a flux limit of approximately 5 × 10–13 ergs cm–2 s–1 for exposure times of 400 sec (a typical value in low ecliptic latitudes). A wealth of information can be extracted from the RASS source content and many objects deserve (or have already deserved) extensive follow-up studies. However, this possibility is limited by the fact that the nature of most of the RASS sources is unknown i.e., they are unclassified. A correlation with the SIMBAD data base yields only identifications for about one third of the RASS sources.

Type
Part 9. Multi-Wavelength Cross Identification
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 444 - 446
Copyright
Copyright © Kluwer 1998 

References

Bade, N., Fink, H., Engels, D., Voges, W., Hagen, H.-J., Wisotzki, L., Reimers, D. 1995 Astron. Astrophys. 110, 469.Google Scholar
Hagen, H.-J., Groote, D., Engels, D., Reimers, D. 1995 Astron. Astrophys. 111, 195.Google Scholar