Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329p..21g&link_type=abstract
Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.
Astronomy and Astrophysics
Astrophysics
Scientific paper
We have analyzed Chandra observations of the diffuse X-ray emission in 7 dwarf starburst galaxies, 6 starbursts, and 9 ULIRGs. These cover a wide range of X-ray luminosities (5 magnitudes) and star-formation rates. We find a variety of similarities within the sample. The ratio of the thermal X-ray to infrared emission is roughly constant. The X-ray surface brightness also does not vary significantly within the sample. All three galaxy types have enriched α element to Fe abundances and each shows correlations in their Hα and diffuse X-ray emission morphologies. These findings suggest that the same physical mechanism is producing the diffuse X-ray emission in the three galaxy types.
Grimes John
Heckman Tim
Ptak Andrew
Strickland Dave
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