| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Grus |
| Right ascension | 22h 53m 37.9324s[1] |
| Declination | –48° 35′ 53.824″[1] |
| Apparent magnitude (V) | +6.02[2] |
| Characteristics | |
| Spectral type | G0 V[3] |
| U−B color index | 0.17[2] |
| B−V color index | 0.62[2] |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | –1.1[4] km/s |
| Proper motion (μ) | RA: 217.943(18) mas/yr[1] Dec.: −81.013(26) mas/yr[1] |
| Parallax (π) | 30.1918 ± 0.0298 mas[1] |
| Distance | 108.0 ± 0.1 ly (33.12 ± 0.03 pc) |
| Absolute magnitude (MV) | +3.46[5] |
| Details | |
| Mass | 1.28±0.04[6] M☉ |
| Radius | 1.71±0.04[6] R☉ |
| Luminosity | 3.39±0.02[6] L☉ |
| Surface gravity (log g) | 4.07±0.03[6] cgs |
| Temperature | 5,996±56[6] K |
| Metallicity [Fe/H] | 0.27±0.02[7] dex |
| Rotational velocity (v sin i) | 5.13[8] km/s |
| Age | 4.2±0.6[6] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
Tau1 Gruis, Latinized from τ1 Gruis, and catalogued as HD 216435 and HR 8700, is a yellow-hued star approximately 108 light-years away[1] in the constellation of Grus (the Crane). The star is visible to the naked eye for some people, placing it in the Bright Star Catalogue. In 2002, one extrasolar planet was confirmed to orbit the star.
Gaia DR3 was invoked but never defined (see the help page).mnrassa31_7 was invoked but never defined (see the help page).aj132_1_161 was invoked but never defined (see the help page).aaa419_989 was invoked but never defined (see the help page).Anderson2012 was invoked but never defined (see the help page).Bonfanti2015 was invoked but never defined (see the help page).aa_555_A150 was invoked but never defined (see the help page).Delgado_Mena2015 was invoked but never defined (see the help page).