New radio observations of the Type IIn Supernova 1978K

被引：0

作者：

Ryder, Stuart D. ^{[1
]}

Kool, Erik C. ^{[1
,2
]}

Kotak, Rubina ^{[3
]}

机构：

[1] Australian Astron Observ, Sydney, NSW 1670, Australia

[2] Macquarie Univ, Dept Phys & Astron, Sydney, NSW 2109, Australia

[3] Queens Univ Belfast, Astrophys Res Ctr, Belfast, Antrim, North Ireland

来源：

LIVES AND DEATH-THROES OF MASSIVE STARS | 2017年 / 12卷 / S329期

关键词：

supernovae: general; supernovae: individual: SN 1978K; galaxies: individual: NGC 1313;

D O I：

10.1017/S1743921317001351

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

SN 1978K is the oldest-known Type IIn supernova, and one of the closest. We report new radio observations at high frequency and spatial resolution. SN 1978K has been detected at 34 and 94 GHz with the Australia Telescope Compact Array, while Very Long Baseline Interferometry at 8.4 GHz has allowed us to derive the past average expansion velocity, which indicates significant deceleration as the blast wave interacts with the dense circumstellar medium.

引用

页码：444 / 444

页数：1

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