NO Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 40m 42.0504s |
| Declination | +31° 55′ 14.187″ |
| Apparent magnitude (V) | 6.24v |
| Characteristics | |
| Spectral type | M2SIab |
| U−B color index | 2.22 |
| B−V color index | 2.12 |
| R−I color index | 1.42 |
| Variable type | slow irregular variable (LC) |
| Astrometry | |
| Radial velocity (Rv) | 4.8 km/s |
| Proper motion (μ) | RA: 0.46 mas/yr Dec.: -4.28 mas/yr |
| Parallax (π) | 2.38 ± 0.97 mas |
| Distance | approx. 1,400 ly (approx. 400 pc) |
| Absolute magnitude (MV) | -1.90 |
| Details | |
| Mass | 3–5 M☉ |
| Radius | 135 R☉ |
| Luminosity | 3,000 L☉ |
| Temperature | < 3,750 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
NO Aurigae is an S-type star in the constellation Auriga. It is a slow irregular pulsating variable star of small amplitude, ranging from mag. 6.1 to 6.3.
References
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