Kruger 60
(Redirected from Kruger 60 B)
Categories: Star stubs | Cepheus constellation | Red dwarfs | Flare stars
| Observation data Epoch J2000 | |
|---|---|
| Constellation | Cepheus |
| Right ascension | 22h 27m 59.5s |
| Declination | +57° 41' 45" |
| Apparent magnitude (V) | 9.59/11.40 |
| Characteristics | |
| Spectral type | M3 V/M4 V |
| B-V color index | 1.65/1.8 |
| U-B color index | 1.27/1.3 |
| Variable type | None/Flare star |
| Astrometry | |
| Radial velocity (Rv) | -33.1/-31.9 km/s |
| Proper motion (μ) | RA: -0.87023"/yr Dec.: -0.47110"/yr |
| Parallax (π) | 0.24806" ± 0.00139" |
| Distance | 13.14 ly (4.031 pc) |
| Absolute magnitude (MV) | 11.76/13.37 |
| Details | |
| Mass | ?/? M☉ |
| Radius | ?/? R☉ |
| Luminosity | 0.010/0.0034 L☉ |
| Temperature | ?/? K |
| Metallicity | |
| Rotation period | |
| Age | ? years |
| Visual binary orbit | |
| Companion | Kruger 60 B |
| Period (P) | 44.67 years |
| Semimajor axis (a) | 2.383" |
| Eccentricity (e) | 0.41 |
| Inclination (i) | 167.2° |
| Node (Ω) | 154.5° |
| Periastron epoch (T) | 1970.22 |
| Other designations | |
Kruger 60 is a binary star system composed of A and B components, both of which are red dwarf stars. These stars orbit each other every 44.6 years. The fainter companion B is a flare star and has been given the variable star designation "DO Cephei".
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See also