Epsilon Sculptoris

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Template:Short description

ε Sculptoris
Template:Location mark
Location of ε Sculptoris (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Sculptor
Right ascension Template:RA[1]
Declination Template:DEC[1]
Apparent magnitude (V) 5.29[2]
Characteristics
Spectral type F2V[3] + G9V[4]
U−B Template:Engvar +0.01[5]
B−V Template:Engvar +0.39[6]
Astrometry
Radial velocity (Rv)+13.10[7] km/s
Proper motion (μ) RA: +159.36[1] mas/yr
Dec.: −73.17[1] mas/yr
Parallax (π)35.57±0.52 mas[1]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)3.05[2]
Details
ε Scl A
Mass1.44[8] Template:Solar mass
Radius1.5[9] Template:Solar radius
Luminosity5.07[2] Template:Solar luminosity
Surface gravity (log g)4.24[10] cgs
Temperature6,809[10] K
Metallicity [Fe/H]−0.02[2] dex
Rotational velocity (v sin i)86[11] km/s
ε Scl B
Mass0.84[8] Template:Solar mass
Metallicity [Fe/H]{{{metal_fe2}}} dex
Other designations
ADS 1394, CCDM J01456-2504AB, CD−25°704, FK5 61, GC 2145, HD 10830, HIP 8209, HR 514, SAO 167275, WDS J01456-2503AB
Database references
SIMBADdata

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Epsilon Sculptoris (ε Scl, ε Sculptoris) is a binary star[12] in the constellation Sculptor. It is approximately 91.7 light years from Earth.[1]

The primary component, Epsilon Sculptoris A, is a yellow-white F-type main-sequence star[3] with an apparent magnitude of +5.29.[2] Orbiting it with a separation of 4.6 arcseconds, or at least 125 Astronomical Units, is Epsilon Sculptoris B, a yellow G-type main sequence dwarf with an apparent magnitude of +8.6. A and B make one orbit around their centre of mass once every 1200 years.[13]

There are two optical companions, the 15th magnitude designated Epsilon Sculptoris C at an angular separation of 15 arcseconds and the 11th magnitude Epsilon Sculptoris D, at a separation of 142 arcseconds.[14]

This star will be in constellation Fornax around 2920 CE.[15]

References

Template:Reflist

Template:Stars of Sculptor

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  3. a b Script error: No such module "Citation/CS1".
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  8. a b Script error: No such module "Citation/CS1". Vizier catalog entry
  9. Script error: No such module "Citation/CS1". Vizier catalog entry
  10. a b Script error: No such module "Citation/CS1". Vizier catalog entry
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  13. Script error: No such module "Citation/CS1". Vizier catalog entry
  14. Script error: No such module "Citation/CS1". Vizier catalog entry
  15. Script error: No such module "citation/CS1".