Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprx11009b&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
The ultraluminous X-ray sources (also, IXO) are the most luminous non-nuclear sources in galaxies (10^39-10^40 erg/s) and may be intermediate mass black holes (10^3-10^4 Msolar). To search for their optical counterparts, we combined high-resolution X-ray imaging from Chandra with WFPC images from HST. We have identified the optical counterparts to IXOs in M81 and M51 and improve the previous optical identification in NGC 2403. These optical counterparts are generally blue stars, indicating moderately high mass young secondaries (O and B stars). Also, these stars often lie close to star-forming regions, consistent with them being young objects. One of our sources shows a period a little longer than two hours, and this helps to constrain the mass of the primary, which we discuss.
Bregman Joel
Liu Jifeng
Seitzer Patrick
No associations
LandOfFree
The Mass of the Ultraluminous X-Ray Sources in Galaxies does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The Mass of the Ultraluminous X-Ray Sources in Galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Mass of the Ultraluminous X-Ray Sources in Galaxies will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1539903