HD 73390

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HD 73390
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Carina
Right ascension Template:RA[1]
Declination Template:DEC[1]
Apparent magnitude (V) 5.25 + 8.90[2]
Characteristics
Spectral type B4V[3]
B−V Template:Engvar Script error: No such module "val".[4]
Astrometry
Radial velocity (Rv)Script error: No such module "val".[4] km/s
Proper motion (μ) RA: -21.280[1] mas/yr
Dec.: +11.230[1] mas/yr
Parallax (π)3.7340±0.1418 mas[1]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)−1.91[4]
Details
A
MassScript error: No such module "val".[5] Template:Solar mass
Radius3.9[6] Template:Solar radius
Luminosity1159.86[4] Template:Solar luminosity
Surface gravity (log g)4.5[7] cgs
TemperatureScript error: No such module "val".[8] K
Rotational velocity (v sin i)155[8] km/s
AgeScript error: No such module "val".[5] Myr
B
MassScript error: No such module "val".[7] Template:Solar mass
TemperatureScript error: No such module "val".[7] K
Metallicity [Fe/H]-0.5[7] dex
Rotational velocity (v sin i)10[7] km/s
Other designations
Template:Odlist[9]
Database references
SIMBADdata

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HD 73390, also called e1 Carinae, is a binary star[2] system in the constellation Carina. It is approximately 870 light years from Earth. The primary is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.27. It displays an infrared excess and is a candidate host of an orbiting debris disk.[10] The secondary is a magnitude 8.9 star which has a mass and temperature similar to the Sun.

References

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  1. ↑ a b c d e Template:Cite Gaia DR2
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Template:Stars of Carina

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