Nu Serpentis
 Location of ν Serpentis (circled) |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Serpens |
| Right ascension | 17h 20m 49.66149s |
| Declination | −12° 50′ 48.7533″ |
| Apparent magnitude (V) | 4.32 |
| Characteristics | |
| Spectral type | A2V |
| U−B color index | +0.04 |
| B−V color index | +0.03 |
| Astrometry | |
| Radial velocity (Rv) | +4.80 km/s |
| Proper motion (μ) |
RA: +43.40 mas/yr Dec.: +2.61 mas/yr |
| Parallax (π) | 16.05 ± 0.26mas |
| Distance | 203 ± 3 ly (62 ± 1 pc) |
| Absolute magnitude (MV) | 0.35 |
| Details | |
| Mass | 2.64 M☉ |
| Radius | 3.0 R☉ |
| Luminosity | 76 L☉ |
| Surface gravity (log g) | 3.95 cgs |
| Temperature | 9,120 K |
| Metallicity [Fe/H] | 0.00 dex |
| Rotational velocity (v sin i) | 123 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Nu Serpentis (ν Ser, ν Serpentis) is a binary star in the constellation Serpens. It is approximately 203 light years from Earth.
The primary component, Nu Serpentis A, is a white A-type main sequence dwarf with an apparent magnitude of +4.32. It is separated from Nu Serpentis B, a magnitude +9.4 companion, by 46 arcseconds.
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