DT Virginis

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DT Virginis
Observation data
Epoch J2000      Equinox J2000
Constellation Virgo
Right ascension 13h 00m 46.5820s
Declination +12° 22′ 32.604″
Apparent magnitude (V) 9.72
Characteristics
Spectral type M0.5/M7
Variable type None
Astrometry
Radial velocity (Rv) −10.1 km/s
Proper motion (μ) RA: −618.80 mas/yr
Dec.: −16.63 mas/yr
Parallax (π) 87.5 ± 1.51 mas
Distance 114.0 pc
Absolute magnitude (MV) 11.17
Other designations
G 60-57, BD+13° 2618, GJ 494, Wolf 462, HIP 63510, Ross 458, LHS 2665, G 61-27, LTT 13752.

DT Virginis, also known as Ross 458 AB, is a binary star in the constellation of Virgo. Both of the stars are low-mass red dwarfs with at least one of them being a flare star. This binary system has a circumbinary planet detected by direct imaging which is currently the planetary mass object with the widest known orbit around a binary star.

Planetary system[edit]

The DT Virginis planetary system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(years)
Eccentricity Inclination Radius
c 8.5 ± 2.5 MJ 1168 33081

See also[edit]

References[edit]

  1. ^ Schneider, J. "Notes for Ross 458(AB)". The Extrasolar Planets Encyclopaedia. 

External links[edit]