Binary star in the constellation Camelopardalis
! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000.0      Equinox J2000.0 (ICRS)
! style="text-align:left" | Constellation
! style="text-align:left" | Right ascension
! style="text-align:left" | Declination
! style="text-align:left" | Apparent magnitude (V)
! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics
! style="text-align:left" | Spectral type
! style="text-align:left" | U−B 
! style="text-align:left" | B−V 
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HD 89571 (HR 4062) is a binary star located in the northern circumpolar constellation Camelopardalis. It is faintly visible to the naked eye with a combined apparent magnitude of 5.51 and is estimated to be 142 light years away from the Solar System. However, it is receding with a heliocentric radial velocity of .
The primary has a stellar classification of A9 V, indicating that it is an ordinary A-type main-sequence star. David S. Evans gave it a slightly warmer class of A6 V while Cowley et al. classified it as F0 IV, indicating a F-type subgiant. Nevertheless, the two components take roughly 2 years to orbit each other at a mean separation of .
The components have masses of and , with the latter being a probable M-type star. HD 89571 has a radius of and a luminosity of . This yields an effective temperature of , giving a white hue. It is estimated to be 710 million years old and spins rapidly with a projected rotational velocity of ; it has a near solar metallicity, equating to an iron abundance 110% that of the Sun.
References.
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