HR 273
HR 273 is a chemically peculiar spectroscopic binary system in the northern circumpolar constellation of Cassiopeia. It has an apparent visual magnitude of 5.9 making it faintly visible to the naked eye from dark suburban skies. Parallax measurements with the Hipparcos spacecraft put this system at a distance of roughly 350 light years. The primary, HR 273 A, is an Ap star and the secondary is an Am star, making this a very unusual binary system. The primary has a magnetic field of 65 gauss, amongst the weakest seen in any Ap star. The magnetic field in the secondary is too weak to detect.
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HR 273
HR 273 is a chemically peculiar spectroscopic binary system in the northern circumpolar constellation of Cassiopeia. It has an apparent visual magnitude of 5.9 making it faintly visible to the naked eye from dark suburban skies. Parallax measurements with the Hipparcos spacecraft put this system at a distance of roughly 350 light years. The primary, HR 273 A, is an Ap star and the secondary is an Am star, making this a very unusual binary system. The primary has a magnetic field of 65 gauss, amongst the weakest seen in any Ap star. The magnetic field in the secondary is too weak to detect.
has abstract
HD 5550，又名BD+65 115，SAO 11502、 ...... 0h 52m 10.9s，赤緯+65° 3.49′ 42″。
@zh
HD5550 — хімічно пекулярна зор ...... 6,2 світлових років від Сонця.
@uk
HR 273 is a chemically peculia ...... ly matches its orbital period.
@en
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absmag v
appmag v
b-v
−0.02
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class
A0 III
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component
A
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B
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constell
eccentricity
epoch
J2000
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inclination
mass
p error
parallax
period unitless
589294.6560000001
prop mo dec
−13.62
@en
prop mo ra
+43.81
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radial v
−10.3
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rotational velocity name
alecian/>
@en
temperature
u-b
−0.13
@en
wikiPageUsesTemplate
subject
comment
HD 5550，又名BD+65 115，SAO 11502、 ...... 0h 52m 10.9s，赤緯+65° 3.49′ 42″。
@zh
HD5550 — хімічно пекулярна зор ...... 6,2 світлових років від Сонця.
@uk
HR 273 is a chemically peculia ...... condary is too weak to detect.
@en
label
HD 5550
@zh
HD5550
@uk
HR 273
@en
wasDerivedFrom
isPrimaryTopicOf
name
HR 273
@en