SN 1923A

SN 1923A
Наблюдательные данные
(Эпоха J2000,0)
Тип сверхновой II
Галактика М83
Созвездие Гидра
Прямое восхождение 13ч 37м 09,2с
Склонение −29° 51′ 04″
Галактические координаты 314,6217 +31,9808
Дата открытия 9 мая 1923
Максимальный блеск (V) 14,0
Расстояние 14,7 млн св. лет
Другие обозначения
DPD83 53, MCK2006 53, RK83 59
Логотип Викиданных Информация в Викиданных ?

SN 1923A — звезда, вспыхнувшая сверхновой в галактике М83. Она находится на расстоянии около 4.1 мегапарсек от нас. Её вспышку зарегистрировал американский астроном К. Лампланд 9 мая 1923 года. Взрыв сверхновой относился к II типу, первоначальная масса звезды превышала 18 масс Солнца[1]. Наблюдения в 1998 году показали, что на месте взрыва присутствуют два слабых источника радиоизлучения[2]. Они находятся друг от друга на расстоянии около 70 парсек и имеют нетепловую природу. Однако оба они не являются остатком сверхновой, а принадлежат, возможно, к межзвёздному газопылевому облаку с плотными скоплениями водорода.

В галактике М83 были зарегистрированы, помимо данной сверхновой, ещё пять.

См. также

Примечания

  1. ↑ Pennington, R. L., Talbot, R. J., & Dufour, R. 1982, AJ, 87, 1538  (англ.)
  2. ↑ University of Chicago Press — Cookie absent (недоступная ссылка)  (англ.)

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