| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 56m 27.18269s[1] |
| Declination | +15° 39′ 41.8206″[1] |
| Apparent magnitude (V) | 3.85[2] |
| Characteristics | |
| Spectral type | F6 V[2] |
| U−B color index | -0.03[3] |
| B−V color index | +0.48[2] |
| Variable type | Suspected[4] |
| Astrometry | |
| Radial velocity (Rv) | 6.78 ± 0.09[5] km/s |
| Proper motion (μ) | RA: 310.93 ± 0.20[1] mas/yr Dec.: -1282.19 ± 0.18[1] mas/yr |
| Parallax (π) | 88.86 ± 0.18 mas[1] |
| Distance | 36.70 ± 0.07 ly (11.25 ± 0.02 pc) |
| Absolute magnitude (MV) | 3.60[6] |
| Details | |
| Mass | 1.30 ± 0.15[7] M☉ |
| Radius | 1.55 ± 0.05[7] R☉ |
| Luminosity | 3.02 ± 0.09[7] L☉ |
| Surface gravity (log g) | 4.23[2] cgs |
| Temperature | 6,350 ± 310[2] K |
| Metallicity [Fe/H] | −0.19[7] dex |
| Rotational velocity (v sin i) | 10.2[7] km/s |
| Age | 3.49[8] Gyr |
| Other designations | |
| 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,[2] which means it is visible to the naked eye. Based upon parallax measurements by the Hipparcos spacecraft, this star is approximately 36.7 light years from Earth.[1]
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