COMPACT RADIO SOURCES IN THE FIELD OF TYCHO'S SUPERNOVA REMNANT

被引：0
|
作者：
Rodriguez, Luis F. [1 ,3 ]
Yanza, Vanessa [1 ,3 ]
Dzib, Sergio A. [2 ]
机构：
[1] UNAM, Inst Radioastron & Astrofis, Morelia, Mexico
[2] Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
[3] Univ Nacl Autonoma Mexico, Inst Radioastron & Astrofis, Apartado Postal 3-72, Morelia 58090, Michoacan, Mexico
来源：
REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA | 2024年 / 60卷 / 01期
基金：
美国国家航空航天局; 美国国家科学基金会;
关键词：
HIGH-FREQUENCY PEAKERS; EX-COMPANION STARS; IA; PROGENITOR; ABSENCE; SEARCH; VLA;
D O I：
10.22201/ia.01851101p.2024.60.01.08
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present sensitive, high angular resolution Jansky Very Large Array observations made in 2014 at 1.50 GHz toward the field of Tycho's supernova remnant. We detect a total of 36 compact sources in a field with radius of 13 arcmin. This number is consistent with the expected number of background sources. We use older observations made with the classic Very Large Array to compare with the 2014 observations and search for sources showing large proper motions that could be related to the donor companion of the exploding white dwarf that produced the supernova in 1572. The comparison of the positions for the two sets of observations does not show sources with large proper motions and supports the conclusion that all sources detected are extragalactic and unrelated to the supernova field.
引用
收藏
页码：113 / 119
页数：7
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