Ross 128
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Virgo |
| Right ascension | 11h 47m 44.4s |
| Declination | +00° 48' 16" |
| Apparent magnitude (V) | 11.16 |
| Characteristics | |
| Spectral type | M4 V |
| U-B color index | 1.34 |
| B-V color index | 1.76 |
| Variable type | Flare star |
| Astrometry | |
| Radial velocity (Rv) | -31.3 km/s |
| Proper motion (μ) | RA: 605.62 mas/yr Dec.: -1219.23 mas/yr |
| Parallax (π) | 298.72 ± 1.35 mas |
| Distance | 10.92 ± 0.05 ly (3.35 ± 0.02 pc) |
| Absolute magnitude (MV) | 13.54 |
| Details | |
| Mass | 0.156 M☉ |
| Radius | 0.21 R☉ |
| Luminosity | 0.00029 L☉ |
| Temperature | 2,800 K |
| Other designations | |
Ross 128 is a red dwarf star that is the eleventh closest star system to the Solar System. Its closest neighbor is Wolf 359, 1.16 pc or 3.79 ly away. Ross 128 is near the line of the ecliptic, and is the closest star system in the constellation Virgo.
[edit] In fiction
- See Ross 128 in fiction.
[edit] See also
[edit] External links
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