Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1142....1s&link_type=abstract
The Astronomer's Telegram, #1142
Astronomy and Astrophysics
Astronomy
2
Optical, Ultra-Violet, X-Ray, Novae, Supernovae
Scientific paper
We observed the field of SN 2007bg (CBET #927, #948, GCN #6618) with the Swift XRT and UVOT on 2007 Apr 22.4 UT. In the 9.6 ksec observation, no X-ray source is detected coincident with the optical position to a 3- sigma limit of F_x = 4.6E-14 ergs/cm/cm/s (0.2-10 keV) and L_x = 1.2 E41 ergs/s, assuming a Galactic column density of 1.9E+20 cm-2 (Dickey & Lockman, 1990, ARAA 28, p215), a distance of 147 Mpc (z=0.034), and a 10 keV thermal spectrum.
Immler Stefan
Soderberg Alicia
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