Back روس 614 Arabic Ross 614 AST V577 Monocerotis BS Ross 614 Catalan Ross 614 Czech Ross 614 German Ρος 614 Greek Ross 614 Spanish روس ۶۱۴ Persian Ross 614 Finnish
  Ross 614 Location of Ross 614 in the constellation Monoceros | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Monoceros |
| CCDM J06294-0249 A[1] | |
| Right ascension | 06h 29m 23.401s[1] |
| Declination | −02° 48′ 50.32″[1] |
| Apparent magnitude (V) | 11.15[1] |
| CCDM J06294-0249 B[2] | |
| Right ascension | 06h 29m 23.52s[2] |
| Declination | −02° 48′ 51.1″[2] |
| Apparent magnitude (V) | 14.23[2] |
| Characteristics | |
| A | |
| Spectral type | M4.5V[1] |
| Variable type | Flare star (UV Cet)[1] |
| B | |
| Spectral type | M8V[2] |
| Variable type | Flare star (UV Cet)[1] |
| Astrometry | |
| A | |
| Radial velocity (Rv) | 16.70±0.20[1] km/s |
| Proper motion (μ) | RA: +750.14 mas/yr[3] Dec.: −802.947 mas/yr[3] |
| Parallax (π) | 242.9659 ± 0.8833 mas[3] |
| Distance | 13.42 ± 0.05 ly (4.12 ± 0.01 pc) |
| Absolute magnitude (MV) | 13.09±0.04[4] |
| B | |
| Proper motion (μ) | RA: +707 mas/yr[2] Dec.: −703 mas/yr[2] |
| Absolute magnitude (MV) | 16.17±0.06[4] |
| Orbit[5] | |
| Period (P) | 16.586±0.004 yr |
| Semi-major axis (a) | 1.1012±0.0082[4]" (4.187+0.008 −0.009 AU) |
| Eccentricity (e) | 0.382±0.0001 |
| Inclination (i) | 52.918±0.016° |
| Longitude of the node (Ω) | 210.385+0.030 −0.031° |
| Periastron epoch (T) | 2445226.863+3.020 −3.043 |
| Argument of periastron (ω) (secondary) | 220.898±0.023° |
| Semi-amplitude (K1) (primary) | 2.201+0.016 −0.025 km/s |
| Details | |
| Ross 614 A | |
| Mass | 0.2228±0.0055[4] M☉ |
| Radius | 0.254±0.028[6] R☉ |
| Luminosity | 0.007[7] L☉ |
| Temperature | 3,193±100[6] K |
| Rotation | ≤2.72+0.74 −0.57[6] days |
| Rotational velocity (v sin i) | 4.73[6] km/s |
| Ross 614 B | |
| Mass | 94.837+0.880 −1.370[5] MJup |
| Radius | 0.11[7][a] R☉ |
| Radius | 74,000 km |
| Luminosity | 0.001[7] L☉ |
| Temperature | 3,145[7] K |
| Other designations | |
| Ross 614 A: LHS 1849 | |
| Ross 614 B: LHS 1850 | |
| Database references | |
| SIMBAD | The system |
| A | |
| B | |
Ross 614 (V577 Monocerotis) is a red dwarf UV Ceti[8] flare star and it is the primary member of a nearby binary star system in the constellation of Monoceros. It is among the nearest stars at a measured distance of about 13.4 light years,[3] but despite this close distance, is invisible to the naked eye, being of apparent magnitude 11.[1] Because this star is so close to the Earth it is often the subject of study, hence the large number of designations by which it is known.
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