Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.0408m&link_type=abstract
American Astronomical Society, 199th AAS Meeting, #04.08; Bulletin of the American Astronomical Society, Vol. 33, p.1307
Astronomy and Astrophysics
Astronomy
Scientific paper
The Chandra X-ray Observatory obtained a deep 78-ks image of the young star cluster M 16, also known as NGC 6611 or the Eagle Nebula on 2001 July 30. Over 1,000 X-ray sources were detected in the 17′x17 ' ACIS-I FOV, making this the densest concentration of X-ray sources observed to date. Most of the X-ray sources are associated with the optically visible, 6-Myr old stars in NGC 6611. Of great interest is the percentage of X-ray luminous B- and A-type stars. In what is perhaps the most famous image obtained by HST, the central portion of the Eagle Nebula shows dark fingers of dust and cold gas (called the ``Pillars of Creation'') being photoionized and photoevaporated by nearby hot stars. Several highly absorbed X-ray sources are spatially coincident with evaporating gaseous globules at the tips of the fingers. This work is supported in part by NASA grant H-04630D to NIST and the University of Colorado.
Daniel Kathryne J.
Gagne Marc
Linsky Jeffrey L.
Mytyk A. M.
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