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Radio Emission from SN 1994I in NGC 5194 (M 51) - The Best Studied Type Ib/c Radio Supernova | Kurt W. Weiler
; Nino Panagia
; Christopher Stockdale
; Michael Rupen
; Richard A. Sramek
; Christopher L. Williams
; | Date: |
12 Aug 2011 | Abstract: | We present the results of detailed monitoring of the radio emission from the
Type Ic supernova SN 1994I from 3 days after optical discovery on 1994 March 31
until eight years later at age 2927 days on 2002 April 05. The data were mainly
obtained using the Very Large Array at the five wavelengths, 1.3, 2.0, 3.6,
6.2, and 21 cm, and from the Cambridge 5 km Ryle Telescope at 2.0 cm. Two
additional measurements were obtained at millimeter wavelengths. This data set
represents the most complete, multifrequency radio observations ever obtained
for a Type Ib/c supernova. The radio emission evolves regularly in both time
and frequency and is well described by established SN emission/absorption
models. It is the first radio supernova with sufficient data to show that it is
clearly dominated by the effects of synchrotron self-absorption at early times. | Source: | arXiv, 1108.2692 | Services: | Forum | Review | PDF | Favorites |
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