Swift XRT Detection of Supernova 2009mk in X-Rays

Details Swift XRT Detection of Supernova 2009mk in X-Rays Swift XRT Detection of Supernova 2009mk in X-Rays

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2389....1r&link_type=abstract

The Astronomer's Telegram, #2389

Astronomy and Astrophysics

Astronomy

1

X-Ray, Novae, Supernovae

Scientific paper

Using 15 epochs of Swift X-Ray Telescope (XRT) observations of the Type IIb SN 2009mk in ESO 293-34 (CBET #2080, #2086), obtained between 2009-12-17 and 2010-01-13 (22.2 ks exposure time), an X-ray point-source is detected, consistent with the optical position of the SN, with a 3.7-sigma significance of source detection. The PSF, dead-time, and vignetting corrected XRT net count rate is (1.0+/-0.3)E-03 cts/s, corresponding to an unabsorbed (0.2-10 keV band) X-ray flux of (4.8+/-1.3)E-14 erg/cm/cm/s and a luminosity of (2.5+/-0.7)E39 erg/s for an adopted thermal plasma spectrum with a temperature of kT = 10 keV, a Galactic foreground column density of N_H = 1.7E+20 (Dickey & Lockman, 1990, ARAA 28) and a distance of 21 Mpc (NED).

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