Gliese 414
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ursa Major |
| GJ 414 A | |
| Right ascension | 11h 11m 05.17s |
| Declination | +30° 26′ 45.7″ |
| Apparent magnitude (V) | 8.864±0.012 |
| GJ 414 B | |
| Right ascension | 11h 11m 02.54s |
| Declination | +30° 26′ 41.3″ |
| Apparent magnitude (V) | 10 |
| Characteristics | |
| GJ 414 A | |
| Spectral type | K7V |
| B−V color index | 1.255 |
| Variable type | None |
| GJ 414 B | |
| Spectral type | M2V |
| B−V color index | 2.41±0.34 |
| Variable type | None |
| Astrometry | |
| GJ 414 A | |
| Radial velocity (Rv) | −16.63 km/s |
| Proper motion (μ) | RA: 591.622±0.0812 mas/yr Dec.: −197.247±0.0911 mas/yr |
| Parallax (π) | 84.1766±0.0258 mas |
| Distance | 38.75 ± 0.01 ly (11.880 ± 0.004 pc) |
| GJ 414 B | |
| Radial velocity (Rv) | −15.34 km/s |
| Proper motion (μ) | RA: 604.831±0.0806 mas/yr Dec.: −206.442±0.0751 mas/yr |
| Parallax (π) | 84.1554 ± 0.0200 mas |
| Distance | 38.756 ± 0.009 ly (11.883 ± 0.003 pc) |
| Details | |
| GJ 414 A | |
| Mass | 0.65±0.08 M☉ |
| Radius | 0.68±0.14 R☉ |
| Luminosity | 0.119±0.013 L☉ |
| Habitable zone inner limit | 0.37 AU |
| Habitable zone outer limit | 0.70 AU |
| Temperature | 4120±109 K |
| Metallicity [Fe/H] | 0.24±0.1 dex |
| Rotational velocity (v sin i) | 3 km/s |
| Age | 12.4±5.2 Gyr |
| GJ 414 B | |
| Mass | 0.542±0.022 M☉ |
| Radius | 0.548±0.017 R☉ |
| Luminosity | 0.05 L☉ |
| Temperature | 3663±70 K |
| Metallicity [Fe/H] | 0.08±0.09 dex |
| Age | 11.2±5.9 Gyr |
| Other designations | |
| Gliese 414, HD 97101, LHS 2367, DO 14370, HIC 54646, HIP 54646, LFT 767, LTT 13009, NLTT 26534, 2MASS J11110509+3026459, TIC 9001920, TYC 2520-2524-1, WDS J11111+3027A, WISEA J111105.67+302643.6, Gaia EDR3 732857558276385664 | |
| Position (relative to Gliese 414 A) | |
| Component | Gliese 414 B |
| Angular distance | 34.34″ |
| Projected separation | 408 AU |
| Database references | |
| SIMBAD | data |
Gliese 414, also known as GJ 414, is a binary system made up of an orange dwarf and a red dwarf, located about 39 light years from Earth, in the constellation Ursa Major. With an apparent magnitude of 8.31, it is not visible to the naked eye. The primary component of the system has two known exoplanets.