TZ Arietis
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 02h 00m 12.959s |
| Declination | +13° 03′ 07.01″ |
| Apparent magnitude (V) | 12.298 |
| Characteristics | |
| Spectral type | M4.5 V |
| U−B color index | +1.37 |
| B−V color index | +1.80 |
| R−I color index | 1.39 |
| Variable type | Flare star |
| Astrometry | |
| Proper motion (μ) |
RA: +1092.0 mas/yr Dec.: –1772.9 mas/yr |
| Parallax (π) | 224.8 ± 2.9mas |
| Distance | 14.5 ± 0.2 ly (4.45 ± 0.06 pc) |
| Details | |
| Luminosity (bolometric) | 0.00135 L☉ |
| Rotational velocity (v sin i) | 3.8 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
L 1159-16 is a red dwarf in the northern constellation of Aries. With an apparent visual magnitude of 12.298, it is too faint to be seen by the naked eye, although it lies relatively close to the Sun at a distance of about 14.5 light-years (4.4 parsecs). It is a flare star, which means it can suddenly increase in brightness for short periods of time.
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