Wolf 635
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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 | |
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).