Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Pisces |
Right ascension | 23h 27m 04.83769s[1] |
Declination | −01° 17′ 10.5827″[1] |
Apparent magnitude (V) | 10.250[2] |
Characteristics | |
Spectral type | K6 V[2] |
B−V color index | +1.30[3] |
Astrometry | |
Radial velocity (Rv) | 32.01±0.27[1] km/s |
Proper motion (μ) | RA: 375.977 mas/yr[1] Dec.: 215.870 mas/yr[1] |
Parallax (π) | 33.7247 ± 0.0169 mas[1] |
Distance | 96.71 ± 0.05 ly (29.65 ± 0.01 pc) |
Details | |
Mass | 0.606+0.015 −0.014[4] M☉ |
Radius | 0.602+0.005 −0.004[4] R☉ |
Luminosity | 0.119+0.035 −0.029[2] L☉ |
Surface gravity (log g) | 4.682±0.021[5] cgs |
Temperature | 4,236±12[6] K |
Metallicity [Fe/H] | −0.29±0.03[6] dex |
Rotation | 28.16+3.38 −2.66 d[6] |
Rotational velocity (v sin i) | <1.75[6] km/s |
Age | 10+3 −5[4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
ARICNS | data |
GJ 9827 is a star in the constellation of Pisces. It is a K-type main-sequence star with an apparent magnitude of 10.250.[2] It is 97 light-years (30 parsecs) away, based on parallax.[1]
The rotation period of the star could not be determined as of 2020, and could be either around 15 or 30 days, depending on the interpretation of available data.[5]
GaiaDR3
was invoked but never defined (see the help page).Rodriguez
was invoked but never defined (see the help page).Mumford
was invoked but never defined (see the help page).Bonomo2023
was invoked but never defined (see the help page).Kosiarek2020
was invoked but never defined (see the help page).Passegger2024
was invoked but never defined (see the help page).SIMBAD
was invoked but never defined (see the help page).