X-Rays From Arp 220 And Its Surroundings

J. C. McDowell, D. L. Clements, Susan Lamb, Kirk Borne, S. Arribas, Luis Colina, Nathan. Hearn, Carole Mundell, Amanda Baker

Research output: Contribution to conferenceOther


The merging galaxy Arp 220 was observed with the Chandra X-ray Observatory using the ACIS camera. I will discuss the morphological and spectral properties of the X-ray emission on four different scales: the nuclear region, the galaxy, the extended `double-bubble' structure and the wider field. The emission from the superwind within the galaxy covers a range of temperatures from 0.3 to about 2 keV, while the emission from the extended double-bubble is dominated by emission in the 0.2 to 1 keV range. We confirm the association of the southern X-ray component with Heckman's background group, and detect the individual galaxies within it as well as two sources with no POSS2 counterpart.
Original languageEnglish
Publication statusPublished - Apr 2002
EventAmerican Physical Society, April Meeting, 2002: Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American Astronomical Society April 20 - 23, 2002 Albuquerque Convention Center Albuquerque, New Mexico - Aluqueruqe Convention Center, Aluqueruqe, USA United States
Duration: 20 Apr 200223 Apr 2002


OtherAmerican Physical Society, April Meeting, 2002
Country/TerritoryUSA United States


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