Iota Carinae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 09h 17m 05.40686s |
| Declination | −59° 16′ 30.8353″ |
| Apparent magnitude (V) | 2.21 |
| Characteristics | |
| Spectral type | A7 Ib |
| U−B color index | +0.16 |
| B−V color index | +0.18 |
| Variable type | Suspected |
| Astrometry | |
| Radial velocity (Rv) | 13.3 km/s |
| Proper motion (μ) | RA: −19.03 mas/yr Dec.: +13.11 mas/yr |
| Parallax (π) | 4.26±0.1 mas |
| Distance | 770 ± 20 ly (235 ± 6 pc) |
| Absolute magnitude (MV) | −5.1 |
| Details | |
| Mass | 6.9 M☉ |
| Radius | 46.4–50.1 R☉ |
| Luminosity | 4,900 L☉ |
| Surface gravity (log g) | 1.85±0.1 cgs |
| Temperature | 7,500–7,700 K |
| Metallicity [Fe/H] | −0.14 dex |
| Rotational velocity (v sin i) | 10.0 km/s |
| Age | 56 Myr |
| Other designations | |
| iota Car, HR 3699, HD 80404, SAO 236808, FK5 351, CD−58°2529, CPD−58°1465, NSV 04444, HIP 45556. | |
| Database references | |
| SIMBAD | data |
Iota Carinae (ι Carinae, abbreviated Iota Car, ι Car), officially named Aspidiske /ˌæspɪˈdɪskiː/, is a star in the southern constellation of Carina. With an apparent visual magnitude of 2.2, it is one of the brighter stars in the night sky.