Gamma Serpentis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 56m 27.18266s |
| Declination | +15° 39′ 41.8096″ |
| Apparent magnitude (V) | 3.85 |
| Characteristics | |
| Spectral type | F6 V |
| U−B color index | −0.03 |
| B−V color index | +0.48 |
| Variable type | Suspected |
| Astrometry | |
| Radial velocity (Rv) | 6.51±0.13 km/s |
| Proper motion (μ) | RA: +311.183 mas/yr Dec.: −1,282.767 mas/yr |
| Parallax (π) | 89.5647±0.1835 mas |
| Distance | 36.42 ± 0.07 ly (11.17 ± 0.02 pc) |
| Absolute magnitude (MV) | 3.60 |
| Details | |
| Mass | 1.21±0.06 M☉ |
| Radius | 1.461±0.007 R☉ |
| Luminosity | 3.019±0.021 L☉ |
| Surface gravity (log g) | 4.16±0.01 cgs |
| Temperature | 6,296±16 K |
| Metallicity [Fe/H] | −0.18±0.01 dex |
| Rotational velocity (v sin i) | 10.2 km/s |
| Age | 3.6+0.9 −0.2 Gyr |
| Other designations | |
| Ainalhai, 41 Serpentis, BD+16°2849, FK5 591, GCTP 3604.00, HD 142860, HIP 78072, HR 5933, LHS 408, SAO 101826 | |
| Database references | |
| SIMBAD | data |
Gamma Serpentis (γ Serpentis, γ Ser) is a star in the equatorial constellation Serpens, in the part of the constellation that represents the serpent's head (Serpens Caput). It has an apparent visual magnitude +3.85, which means it is visible to the naked eye. Based upon parallax measurements by the Gaia spacecraft, this star is approximately 36.4 light years from Earth.