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Diffuse X-ray emission from the spiral galaxy NGC 2403 discovered with Chandra | | Filippo Fraternali
; Massimo Cappi
; Renzo Sancisi
; Tom Oosterloo
; | | Date: |
18 Jun 2002 | | Journal: | Astrophys.J. 578 (2002) 109-113 | | Subject: | astro-ph | | Affiliation: | Astr. Obs., Bologna, I), Massimo Cappi (TeSRE-CNR, Bologna, I), Renzo Sancisi (Astr. Obs., Bologna, I), Tom Oosterloo (ASTRON, Dwingeloo, NL | | Abstract: | We have detected diffuse soft X-ray emission (0.4-1 keV) from the disk of the spiral galaxy NGC 2403 with Chandra. This diffuse emission (with a total luminosity of 2.1 x 10^38 erg/s and a gas temperature of 2-8 x 10^6 K) is well separated from the numerous bright point sources. NGC 2403 is a luminous spiral galaxy with a high rate of star formation. Recent HI observations have revealed an extended HI halo with anomalous velocities and a general inflow towards the central regions of the galaxy. This result and the present detection of a diffuse, hot X-ray emitting gas point at a very active disk-halo connection and galactic fountain types of phenomena. | | Source: | arXiv, astro-ph/0206312 | | Services: | Forum | Review | PDF | Favorites | |
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