HD 125351

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HD 125351
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes[1]
Right ascension Template:RA[2]
Declination Template:DEC[2]
Apparent magnitude (V) Script error: No such module "val".[3]
Characteristics
Evolutionary stage red giant branch[4]
Spectral type K1III[5]
Astrometry
Radial velocity (Rv)Script error: No such module "val".[3] km/s
Proper motion (μ) RA: 4.87[2] mas/yr
Dec.: 14.40[2] mas/yr
Parallax (π)13.97±0.39 mas[2]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)+0.53[1]
Orbit[6]
PrimaryA Boötis Aa1
CompanionA Boötis Aa2
Period (P)212.085 days
Semi-major axis (a)2.3 mas
Eccentricity (e)0.570
Inclination (i)83.5°
Longitude of the node (Ω)195.2°
Periastron epoch (T)2,440,286.002
Argument of periastron (ω)
(secondary)		224.9°
Details
Aa1
Mass3.0[7] Template:Solar mass
Radius13[4] Template:Solar radius
Luminosity75[4] Template:Solar luminosity
Surface gravity (log g)2.25[8] cgs
Temperature4,650[8] K
Metallicity [Fe/H]−0.03[8] dex
Aa2
Mass1.2[7] Template:Solar mass
Metallicity [Fe/H]{{{metal_fe2}}} dex
Ab
Mass1.85[7] Template:Solar mass
Metallicity [Fe/H]{{{metal_fe2}}} dex
Other designations
A Boötis, BD+36°2468, HD 125351, HIP 69879, HR 5361, SAO 64053
Database references
SIMBADdata

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HD 125351 or A Boötis (A Boo) is multiple star system in the constellation Boötes. The system has an apparent magnitude of +4.97, with a spectrum matching a K-type giant star. It is approximately 233 light-years from Earth.

HD 125351 is an astrometric and single-lined spectroscopic binary with a known 212-day orbit.[9] Speckle interferometry has detected a companion at a separation of Script error: No such module "val"., which is likely to be a different star from the unseen spectroscopic companion. It is 1.45 magnitudes fainter than the visible primary in the near infrared. An orbital period of seven years is suggested. This would make HD 125351 a triple system. Further faint stars at separations of Script error: No such module "val". and Script error: No such module "val". share a common proper motion although any orbits would take many thousands of years.[7]

References

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  1. ↑ a b Script error: No such module "citation/CS1".
  2. ↑ a b c d e Script error: No such module "citation/CS1".
  3. ↑ a b Script error: No such module "citation/CS1".
  4. ↑ a b c Template:Cite Gaia DR3
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "Citation/CS1".
  7. ↑ a b c d Script error: No such module "citation/CS1".
  8. ↑ a b c Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".

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External links

Template:Stars of Boötes

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