HD69521 Див. також | Джерела | Навігаційне менюперевіреназміни в шаблонах/файлахдані для HD69521виправивши або дописавши її

Хімічно пекулярні зоріЗорі Головної Послідовності спектрального класу A3HD69000-69999


схиленняммасрікHIPхімічно-пекулярна зоряспектрального класуA3 видиму зоряну величинусмузі Vсвітлових роківСонця
























































































HD69521

Дані дослідження
Епоха J2000,0

Сузір’я


Пряме піднесення
8h 18m 39,43s

Схилення
+31° 48′ 34,5″

Видима величина (V)
8,79[1]
Характеристики

Спектральний клас

A3



U-B показник кольору
0,00

B яскравість
8,873±0,012[2]

B-V показник кольору
0,063±0,001[2]

V яскравість
8,783±0,014[2]











Тип змінної

Дані фотометрії Стрьомґрена

b-y колір
0,03

m1 індекс
0,20

c1 індекс
0,65

Hβ індекс
2,87[1]








Дані фотометрії Гіппаркос

Максимальна яскравість
8,790[2]

Мінімальна яскравість
8,840[2]



Астрометрія

Променева швидкість (Rv)
км/сек

Власний рух (μ)
за пр. піднес.: -1,80± 1,24[2]мас/рік

за схиленням: 15,58± 0,84[2]мас/рік



Паралакс (π)
3,90 ± 1,24[2]мас

Відстань
836,30 світлових років
256,41 парсек


Подробиці

Маса

M☉















Інші позначення

HD 69521,

HIP 40715,


BD+32 1711

Посилання
SIMBADдані для HD69521


HD69521 — хімічно-пекулярна зоря спектрального класу A3, що має видиму зоряну величину в смузі V приблизно 8,8.[1]
Вона розташована на відстані близько 836,3 світлових років від Сонця.[2]





Див. також |


  • Перелік HgMn-зір

  • Ртутно-манганова зоря

  • Перелік хімічно-пекулярних зір (8h-10h)

  • Хімічно пекулярна зоря

  • Перелік хімічно-пекулярних зір з пониженим вмістом гелію

  • Хімічно пекулярна зоря з пониженим вмістом гелію

  • Перелік Am-зір

  • Am-зоря


Джерела |




  1. ↑ абв Renson P., Manfroid J., General catalogue of Ap, HgMn and Am stars, 2009, A&A...498..961


  2. ↑ абвгдежик ESA, 1997, The Hipparcos Catalogue, ESA SP-1200







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