Lacaille 9352
Lacaille 9352 (Lac 9352) is a red dwarf star in the southern constellation of Piscis Austrinus. With an apparent visual magnitude of 7.34, this star is too faint to be viewed with the naked eye except possibly under excellent seeing conditions. Parallax measurements place it at a distance of about 10.74 light-years (3.29 parsecs) from Earth. It is the eleventh closest star system to the Solar System and is the closest star in the constellation Piscis Austrinus. The ChView simulation shows that its closest neighbour is the EZ Aquarii triple star system at about 4.1 ly away.
the neighborhood of the solar system which also includes Lacaille 9352 | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Piscis Austrinus |
| Right ascension | 23h 05m 52.03604s |
| Declination | −35° 51′ 11.0475″ |
| Apparent magnitude (V) | 7.34 |
| Characteristics | |
| Spectral type | M0.5V |
| U−B color index | +1.18 |
| B−V color index | +1.50 |
| Variable type | Suspected |
| Astrometry | |
| Radial velocity (Rv) | +9.7 km/s |
| Proper motion (μ) | RA: +6,765.995 mas/yr Dec.: +1,330.388 mas/yr |
| Parallax (π) | 304.1354 ± 0.0200 mas |
| Distance | 10.7241 ± 0.0007 ly (3.2880 ± 0.0002 pc) |
| Absolute magnitude (MV) | 9.8 |
| Details | |
| Mass | 0.479+0.011 −0.010 M☉ |
| Radius | 0.474±0.008 R☉ |
| Luminosity | 0.0368±0.0006 L☉ |
| Surface gravity (log g) | 4.78 cgs |
| Temperature | 3,672+36 −34 K |
| Metallicity [Fe/H] | −0.22±0.09 dex |
| Rotational velocity (v sin i) | 1 km/s |
| Age | 4.57 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
Lacaille 9352 Location of Lacaille 9352 in the constellation Piscis Austrinus | |
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