Radio Emission from SN 2001gd in NGC 5033

Abstract

We present the results of monitoring the radio emission from the Type IIb supernova SN 2001gd between 2002 February 8 and 2002 October 28. Most of the data were obtained using the Very Large Array at the five wavelengths of $\lambda \lambda$1.3 cm (22.4 GHz), 2.0 cm (14.9 GHz), 3.6 cm (8.44 GHz), 6.2 cm (4.86 GHz), and 21 cm (1.4 GHz). Observations were also made with Giant Meterwave Radio Telescope at $\lambda$21 cm (1.4 GHz). The object was discovered optically well after maximum light, making any determination of the early radio evolution difficult. However, subsequent observations indicate that the radio emission has evolved regularly in both time and frequency and is well described by the SN shock/circumstellar medium interaction model.

arXiv comment16 pages 2 figures to appear in Astrophysical Journal

References in corpus (2)

• SN1998bw/GRB980425 and Radio Supernovae
• Physical Properties of the X-ray Luminous SN 1978K in NGC 1313 from Multiwavelength Observations

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