Iota Carinae

For i Carinae, see HD 79447.
ι Carinae
Location of ι Carinae (circled in red)
Observation data
Epoch J2000      Equinox J2000
Constellation Carina
Right ascension 09h 17m 05.40686s[1]
Declination −59° 16′ 30.8353″[1]
Apparent magnitude (V) 2.21[2]
Characteristics
Spectral type A7 Ib[3]
U−B color index +0.16[4]
B−V color index +0.18[4]
Variable type Suspected[5]
Astrometry
Radial velocity (Rv)13.3[2] km/s
Proper motion (μ) RA: −19.03[1] mas/yr
Dec.: +13.11[1] mas/yr
Parallax (π)4.26 ± 0.1 mas[1]
Distance770 ± 20 ly
(235 ± 6 pc)
Absolute magnitude (MV)−5.1[6]
Details
Mass6.9[7] M☉
Radius46.4–50.1[7] R☉
Luminosity4,900[8] L☉
Surface gravity (log g)1.85±0.1[7] cgs
Temperature7,500[7]–7,700[9] K
Metallicity [Fe/H]−0.14[8] dex
Rotational velocity (v sin i)10.0[8] km/s
Age56[7] Myr
Other designations
iota Car, HR 3699, HD 80404, SAO 236808, FK5 351, CD−58°2529, CPD−58°1465, NSV 04444, HIP 45556.[10]
Database references
SIMBADdata

Iota Carinae (ι Carinae, abbreviated Iota Car, ι Car), officially named Aspidiske /ˌæspɪˈdɪskiː/,[11] is a star in the southern constellation of Carina. With an apparent visual magnitude of 2.2,[2] it is one of the brighter stars in the night sky.

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  2. ^ a b c Cite error: The named reference scfs was invoked but never defined (see the help page).
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  4. ^ a b Cite error: The named reference clpl4 was invoked but never defined (see the help page).
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  7. ^ a b c d e Cite error: The named reference Neiner2017 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference aaa449_2_655 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference ayres2018 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  11. ^ "IAU Catalog of Star Names". Retrieved 28 July 2016.