HD 45320

HD45320
Дані дослідження
Епоха J2000,0
Сузір'я
Пряме піднесення 6г 26х 39,59с
Схилення - 1° 30′ 26,4″
Видима величина (V) 5,87[1]
Характеристики
Спектральний клас A4
показник кольору U−B 0,09
яскравість B 5,959±0,004[2]
показник кольору B−V 0,070±0,005[2]
яскравість V 5,881±0,004[2]
Тип змінності
Дані фотометрії Стрьомґрена
колір b−y 0,03
індекс m1 0,18
індекс c1 1,04
індекс Hβ 2,88[1]
Дані фотометрії Гіппаркос
Максимальна яскравість 5,890[2]
Мінімальна яскравість 5,910[2]
Астрометрія
Власний рух (μ) за пр. піднес.: -10,11± 0,71[2] мас/рік

за схиленням: -29,40± 0,58[2] мас/рік

Паралакс (π) 14,26 ± 0,89[2] мас
Відстань 228,72 світлових років
70,13 парсек
Подробиці
Маса M☉
Обертання Vsin(i)=270[3]км/сек
Інші позначення
36G.Mon,

HD 45320, HIP 30666, HR 2324,

BD-1 1242
Посилання
SIMBADдані для HD45320

HD45320 — хімічно пекулярна зоря спектрального класу A4, що має видиму зоряну величину в смузі V приблизно 5,9.[1] Вона розташована на відстані близько 228,7 світлових років від Сонця.[2]

Фізичні характеристики

Зоря HD45320 обертається дуже швидко навколо своєї осі. Проєкція її екваторіальної швидкості на промінь зору становить Vsin(i)=270км/сек.[3]


Пекулярний хімічний вміст

Див. також

Джерела

  1. ↑ а б в Renson P., Manfroid J., General catalogue of Ap, HgMn and Am stars, 2009, A&A...498..961
  2. ↑ а б в г д е ж и к ESA, 1997, The Hipparcos Catalogue, ESA SP-1200
  3. ↑ а б Royer F. et al. 2002, 'Rotational velocities of A-type stars', Astron. & Astrophys. 393, 897


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