Рассеянное скопление M21

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Рассеянное скопление M21
Messier object 021.jpg M21, Рассеянное скопление
Открыватель:
Чарльз Мессье
Дата открытия:
1764
Обозначения:
NGC 6531
Класс:
I,3,m
Наблюдательные данные
(Эпоха J2000.0):
Прямое восхождение:
%\[\[((?:(?:[+\-][\s ]*)?\d[\d\s ]*(?:[.,]\d+)?(?:[eE][+\-]?\d+%

h  $1m {{{3}}}s]]%\[\[((?:(?:[+\-[\s ]*)?\d[\d\s ]*(?:[.,]\d+)?(?:[eE][+\-]?\d+|[ו]10[+\-]?\d+|:\d+)?(?:[\s ]*[^\d[\]<>()\s ]+|\([^\d[\]<>()\s ]+\)|[+\-]?\d+)*).*?)]]%

+ $1+{{{3}}}&de={{{4}}}+{{{5}}}+{{{6}}}&zoom=9&show_box=1 на карте]
Склонение:
[[−22° 30′"′" is not declared as a valid unit of measurement for this property.]]"%" is not declared as a valid unit of measurement for this property.3Csup%"Csup%" is not declared as a valid unit of measurement for this property.3Eh%"Eh%" is not declared as a valid unit of measurement for this property.3C%"C%" is not declared as a valid unit of measurement for this property.2Fsup%"Fsup%" is not declared as a valid unit of measurement for this property.3E%"E%" is not declared as a valid unit of measurement for this property.26nbsp%"nbsp%" is not declared as a valid unit of measurement for this property.3B"B" is not declared as a valid unit of measurement for this property.04.6%".6%" is not declared as a valid unit of measurement for this property.3Csup%"Csup%" is not declared as a valid unit of measurement for this property.3Em%"Em%" is not declared as a valid unit of measurement for this property.3C%"C%" is not declared as a valid unit of measurement for this property.2Fsup%"Fsup%" is not declared as a valid unit of measurement for this property.3E&de=%"E&de=%" is not declared as a valid unit of measurement for this property.26minus%"minus%" is not declared as a valid unit of measurement for this property.3B"B" is not declared as a valid unit of measurement for this property.22%"%" is not declared as a valid unit of measurement for this property.26deg%"deg%" is not declared as a valid unit of measurement for this property.3B+"B+" is not declared as a valid unit of measurement for this property.30%"%" is not declared as a valid unit of measurement for this property.26prime%"prime%" is not declared as a valid unit of measurement for this property.3B&zoom="B&zoom=" is not declared as a valid unit of measurement for this property.9&show_box="&show_box=" is not declared as a valid unit of measurement for this property.1 1 ° <br />на карте
Расстояние:
1,38.666667e-12 а.е. <br /> кпк
Видимая звёздная величина (V):
6.5".5" can not be assigned to a declared number type with value 6.
Видимые размеры (V):
13,0′<ul><li>No units of measurement were declared for this property.</li> <!--br--><li>"′" is not declared as a valid unit of measurement for this property.</li></ul>
Возраст:
4,6 млн лет

Рассеянное скопление M21 (также известное как Объект Мессье 21 или NGC 6531) является рассеянным скоплением в созвездии Стрельца.

История открытия[edit | edit source]

Скопление было открыто и каталогизировано Чарльзом Мессье в 5 июня 1764 года.

Интересные характеристики[edit | edit source]

M21 — относительно молодое скопление с возрастом в 4,6 миллиона лет, содержащее около 57 звёзд.

Наблюдения[edit | edit source]

Рассеянное скопление M21 находится в Созвездии Стрельца

Изображения[edit | edit source]

См. также[edit | edit source]

Внешние Ссылки[edit | edit source]

Навигаторы[edit | edit source]


Каталог Мессье Чарльз Мессье
M1 | M2 | M3 | M4 | M5 | M6 | M7 | M8 | M9 | М10 | M11 | M12 | M13 | M14 | M15 | M16 | M17 | M18 | M19 | M20 | M21 | M22 | M23 | M24 | M25 | M26 | M27 | M28 | M29 | M30 | M31 | M32 | M33 | M34 | M35 | M36 | M37 | M38 | M39 | M40 | M41 | M42 | M43 | M44 | M45 | M46 | M47 | M48 | M49 | M50 | M51 | M52 | M53 | M54 | M55 | M56 | M57 | M58 | M59 | M60 | M61 | M62 | M63 | M64 | M65 | M66 | M67 | M68 | M69 | M70 | M71 | M72 | M73 | M74 | M75 | M76 | M77 | M78 | M79 | M80 | M81 | M82 | M83 | M84 | M85 | M86 | M87 | M88 | M89 | M90 | M91 | M92 | M93 | M94 | M95 | M96 | M97 | M98 | M99 | M100 | M101 | M102 | M103 | M104 | M105 | M106 | M107 | M108 | M109 | M110
Другие каталоги: Новый Общий Каталог


Объекты каталога Мессье, отсортированные по прямому восхождению
Предыдущий объект:
M8
Текущий объект:
M21
Следующий объект:
M16