HD 12139

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HD 12139 or CCDM 01596+2101 D
Observation data Epoch J2000 Equinox J2000
Constellation	Aries
Right ascension	01^h 59^m 35.6832^s
Declination	+21° 03′ 30.851″
Apparent magnitude (V)	5.893
Characteristics
Spectral type	K0III-IV
B−V color index	1.03
Astrometry

Radial velocity (R_v)	-2.3 km/s
Proper motion (μ)	RA: 140.8 mas/yr Dec.: -14.35 mas/yr
Parallax (π)	8.17 ± 0.84 mas
Distance	approx. 400 ly (approx. 120 pc)
Absolute magnitude (M_V)	6.926

Details

Mass	0.8 M_☉
Radius	0.9 R_☉
Luminosity	0.4 L_☉
Temperature	3,500–5,000 K

Other designations
BD+20° 322, HIP 9307, HR 577, SAO 75077.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD	data

HD 12139 or ADS 1582 D is Star in double system.

References

v t e Stars of Aries

Bayer	α (Hamal) β (Sheratan) γ (Mesarthim) δ (Botein) ε ζ η θ ι κ λ μ ν ξ ο π ρ¹ ρ² ρ³ σ τ¹ τ²

Flamsteed	1 4 7 10 11 14 15 16 19 20 21 23 26 27 29 30 31 33 35 36 38 39 40 41 (Bharani) 47 49 50 51 52 53 54 55 56 59 60 62 64 65 66 54 Cet 85 Cet

Variable	V X RV SS TT TZ UX VW VY VZ WY XY

HR	577 578 601 609 624 644 676 711 723 728 803 856 902 916 924 931 945 946 948 952 971 999

HD	12661 19445 19549 20367

Gliese	Gliese 109

Other	BD +20°307 HAT-P-25 HIP 14810 PSR B0301+19 Teegarden's star WASP-11

List

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