53 Aurigae

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Template:Short description

53 Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension Template:RA[1]
Declination Template:DEC[1]
Apparent magnitude (V) 5.744[2]
Characteristics
Spectral type B9 Mn + F0m[3]
U−B Template:Engvar −0.07[4]
B−V Template:Engvar −0.02[4]
Astrometry
Radial velocity (Rv)Script error: No such module "val".[5] km/s
Proper motion (μ) RA: −16.390[1] mas/yr
Dec.: −14.305[1] mas/yr
Parallax (π)8.5139±0.1372 mas[1]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)+0.48[6]
Orbit[7]
Period (P)38.90 yr
Semi-major axis (a)0.159″
Eccentricity (e)0.557
Inclination (i)119.5°
Longitude of the node (Ω)113.5°
Periastron epoch (T)B 1976.73
Argument of periastron (ω)
(secondary)		343.3°
Details
53 Aur A
MassScript error: No such module "val".[8] Template:Solar mass
Surface gravity (log g)4.0[3] cgs
Temperature10750[3] K
Rotational velocity (v sin i)25[3] km/s
53 Aur B
Surface gravity (log g)4.0[3] cgs
Temperature7,250[3] K
Metallicity [Fe/H]{{{metal_fe2}}} dex
Rotational velocity (v sin i)0[3] km/s
Other designations
Template:Odlist
Database references
SIMBADdata

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53 Aurigae is a binary star system in the northern constellation of Auriga. It is visible to the naked eye as a dim star with a combined apparent visual magnitude of 5.74.[2] Parallax estimates put it at a distance of Script error: No such module "convert". away.[1] The system is receding from the Earth with a heliocentric radial velocity of 13 km/s.[5]

The two components of 53 Aurigae orbit each other every 39 years with an eccentricity of 0.557.[7] The primary component, 53 Aurigae A, is chemically peculiar since it contains higher-than-normal amounts of manganese,[3] but also europium, chromium, and mercury.[8] It is a B-type main-sequence mercury-manganese star,[8] while the secondary component, 53 Aurigae B, is an early F-type main-sequence star.[8] The total mass of the system is estimated to be Template:Solar mass.[8]

References

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  1. ↑ a b c d e f Template:Cite DR2
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  3. ↑ a b c d e f g h Script error: No such module "Citation/CS1".
  4. ↑ a b Script error: No such module "Citation/CS1".
  5. ↑ a b Script error: No such module "citation/CS1".
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  7. ↑ a b Script error: No such module "citation/CS1".
  8. ↑ a b c d e Script error: No such module "Citation/CS1".

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Template:Stars of Auriga

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