Wolf 635

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Wolf 635 A/B
Observation data
Epoch 2000
Constellation
(pronunciation)		 Ophiuchus
Right ascension 17h 05m 03.4s
Declination -05° 03' 59.5"
Apparent magnitude (V) 7.73/10.08
Characteristics
Spectral type K4-5 V/M3.5 V
U-B color index 1.06/1.07
B-V color index 1.16/1.44
V-R color index 0.71/0.97
R-I color index 0.63/1.16
Variable type None
Astrometry
Radial velocity (Rv) +34.3/+34.5 km/s
Proper motion (μ) RA: -916.86/-921.19 mas/yr
Dec.: -1137.91/-1128.23 mas/yr
Parallax (π) 93.89 ± 0.98 mas
Distance 34.7 ± 0.4 ly
(10.7 ± 0.1 pc)
Absolute magnitude (MV) 7.75/10.19
Other designations
NStars 1705-0503

Wolf 635 A

BD-04 4225, Giclas 019-013, GJ 653, HD 154363, HIP 83591, LHS 431, YPC 3878

Wolf 635 B

BD-04 4226, Giclas 019-014, GJ 654, HIP 83599, LHS 432, YPC 3880

Wolf 635 is a binary star system located thirty-five light-years away, in the constellation Ophiuchus. The A component is an orange, main sequence (K5 V) star. Its companion is a red dwarf (M3.5 V).

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