Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprb17062g&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
NGC 1333, a highly active star formation region within the Perseus molecular cloud complex, has been observed with the ACIS-I detector on board the Chandra X-ray Observatory. In our image with a sensitivity limit of ~ 10^28 erg s-1 we detect 127 X-ray sources, most with sub-arcsecond positional accuracy. While 30 of these sources are seemed to be extragalactic background, 95 X-ray sources are most likely identified as known cluster members. From more than 20 known YSOs in NGC 1333 producing jets or molecular outflows we discover seven. We also detect X-ray emission from two deeply embedded objects. Based on the complete subsamples of T Tauri stars we find no difference in X-ray properties and X-ray production mechanism of young stars with and without circumstellar matter. Also no evident difference in X-ray emission of seven jet-driving sources and the rest of the X-ray population is found. Several other results are obtained.
Bally John
Feigelson Eric
Getman Konstantin
lada Charles
Reipurth Bo
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