Nu Fornacis
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Fornax |
| Right ascension | 02h 04m 29.43861s |
| Declination | −29° 17′ 48.5477″ |
| Apparent magnitude (V) | 4.69 (4.68 - 4.73) |
| Characteristics | |
| Spectral type | B9.5IIIspSi |
| U−B color index | -0.51 |
| B−V color index | -0.17 |
| Variable type | α2 CVn |
| Astrometry | |
| Radial velocity (Rv) | +18.50 km/s |
| Proper motion (μ) |
RA: +12.79 mas/yr Dec.: +8.48 mas/yr |
| Parallax (π) | 8.79 ± 0.26mas |
| Distance | 370 ± 10 ly (114 ± 3 pc) |
| Absolute magnitude (MV) | -0.59 |
| Details | |
| Mass | 3.65 ± 0.18 M☉ |
| Radius | 2.70–3.2 ± 0.4 R☉ |
| Luminosity | 245 L☉ |
| Temperature | 13,400 K |
| Rotational velocity (v sin i) | 50 ± 5 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Nu Fornacis (ν For) is a class B9.5III (blue giant) star in the constellation Fornax. Its apparent magnitude is 4.69 and it is approximately 371 light years away based on parallax. It is around 3.65 times as massive and 245 times as luminous as the Sun, with around 3.2 times its diameter. It is variable, with a period of 1.89 days—the same as its rotational period. It is an Alpha2 Canum Venaticorum variable.
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