9 Equulei

9 Equulei
Observation data
Epoch J2000      Equinox J2000
Constellation Equuleus
Right ascension 21h 21m 04.54s
Declination 07° 21 16.4
Apparent magnitude (V) 5.81
Characteristics
Spectral type M2IIIa[1]
B−V color index 1.66
Astrometry
Radial velocity (Rv)-22.35 ± 0.25[1] km/s
Proper motion (μ) RA: 42.79 ± 0.47[1] mas/yr
Dec.: -17.12 ± 0.22[1] mas/yr
Parallax (π)4.98 ± 0.41[1] mas
Distance1058[2] ly
(324.3 pc)
Absolute magnitude (MV)−1.75
Details
Mass1.2 M
Radiusapprox 110 R
Luminosity1300 L
Temperature3300 K
Other designations
HIP105413, HD203291, HR8163

9 Equulei is a M-type star in the constellation Equuleus. This star moves through the Milky Way at a speed relative to the Sun.

References

  1. 1 2 3 4 5 "9 Equulei, a red giant star in Equuleus", Ashland Astronomy Studio, retrieved 2012-08-19
  2. "HIP 105413", WolframAlpha, retrieved 2012-08-19


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