Other
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20510504g&link_type=abstract
American Astronomical Society Meeting 205, #105.04; Bulletin of the American Astronomical Society, Vol. 36, p.1517
Other
Scientific paper
We present the first high-spatial-resolution X-ray images and spectra of the Cepheus B/Sharpless 155 interface region, obtained in a single 30-ksec Chandra/ACIS observation in March 2003. This rich high-mass star-forming region reveals a complex mix of point source and diffuse X-ray emission. The OB association Cep OB3b is resolved at the arcsecond level into more than 400 sources. An embedded stellar cluster, representing the most recent generation of star formation at the S155/CepB interface, is resolved into several components. Soft diffuse X-ray emission (kT=0.8 keV) centered on the O7 star HD 217086 pervades the complex. A remarkably strong X-ray flare is seen in one of the pre-main-sequence cluster members. These and other highlights of the Chandra data will be described.
This work is supported by NASA contract NAS8-38252 (G.P. Garmire, PI).
Broos Patrick S.
Feigelson Eric D.
Garmire Gordon P.
Getman Konstantin V.
Townsley Leisa Kay
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