HD 91496

HD 91496
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Carina
Right ascension 10h 31m 02.057s[1]
Declination −73° 13′ 17.38″[1]
Apparent magnitude (V) 4.92[2]
Characteristics
Evolutionary stage giant
Spectral type K4/5 III[3]
Variable type suspected[4]
Astrometry
Radial velocity (Rv)13.14[1] km/s
Proper motion (μ) RA: -7.00[1] mas/yr
Dec.: 7.66[1] mas/yr
Parallax (π)3.1223 ± 0.1500 mas[1]
Distance1,040 ± 50 ly
(320 ± 20 pc)
Absolute magnitude (MV)-2.55[5]
Details
Mass6[6] M☉
Radius115[1] R☉
Luminosity2,787[1] L☉
Surface gravity (log g)1.34[7] cgs
Temperature3,915[1] K
Rotational velocity (v sin i)5.7[8] km/s
Other designations
CD−72°614, HD 91496, HIP 51495, HR 4142, SAO 256723[9]
Database references
SIMBADdata

HD 91496 (HR 4142) is a giant star in the constellation Carina, with an apparent magnitude is 4.92 and an MK spectral class of K4/5 III. It has been suspected of varying in brightness, but this has not been confirmed.

HD 91496 has a faint companion, six magnitudes fainter and 33″ away.[10] It is a distant background star.[11]

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  11. ^ Cite error: The named reference dr2b was invoked but never defined (see the help page).