Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-01-08
Astronomy and Astrophysics
Astrophysics
7 pages, 1 figures, accepted to Astronomy and Astrophysics
Scientific paper
10.1051/0004-6361:20011837
We have detected 18 sources over 6 sigma threshold within two regions 8.3X16.9 arcmin^2 and 8.3X33.6 arcmin^2 in the vicinity of the point with alpha=03h31m02.45s (J2000) and delta=+43degree47arcmin58.5arcsec (J2000) using a CHANDRA ACIS (S+I) observation. Two of the sources were detected before with $ROSAT$ HRI and one source could be closely identified with a star in the optical catalog, USNO A-2. We have also studied source spectra applying four spectral models to the data. Most of the sources can be classified as Cataclysmic Variable, Low Mass X-ray Binary or single star candidates due to their spectral characteristics and luminosities. We also searched for the extragalactic origin for these 18 sources. The source count rates vary between 5.8X10^{-4}- 4.7X10^{-3} counts/s. Due to low count rates temporal characteristics of the sources can not be studied effectively.
Balman Soelen
Yoldas Aybuk Küpcü
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