| 词条 | DT Virginis |
| 释义 |
| name = DT Virginis }}{{Starbox observe | epoch = J2000 | constell = Virgo | ra = {{RA|13|00|46.583}} | dec = {{DEC|+12|22|32.63}} | appmag_v = 9.72 }}{{Starbox character | class = M0.5/M7 | b-v = | u-b = | variable = None }}{{Starbox astrometry | radial_v = −10.1 | prop_mo_ra = −616.31 ± 1.51 | prop_mo_dec = −13.59 ± 1.00 | parallax = 85.54 | p_error = 1.53 | parallax_footnote = | absmag_v = 11.17 }}{{Starbox catalog | names = G 60-57, BD+13° 2618, GJ 494, Wolf 462, HIP 63510, Ross 458, LHS 2665, G 61-27, LTT 13752. }}{{Starbox reference | Simbad=V*+DT+Vir | ARICNS=01010 }}{{Starbox end}} 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, currently the planetary-mass object with the widest known orbit around a binary star. Planetary system{{OrbitboxPlanet begin| period_unit = year | table_ref=[1] }}{{OrbitboxPlanet | exoplanet = b | mass = 8.5 ± 2.5 | period = 33081 | semimajor = 1168 | eccentricity = }}{{Orbitbox end}} See also
References1. ^{{cite web |url=http://exoplanet.eu/star.php?st=Ross+458(AB) |author=Schneider, J |work=The Extrasolar Planets Encyclopaedia |title=Notes for Ross 458(AB) |deadurl=yes |archiveurl=https://web.archive.org/web/20111006004139/http://exoplanet.eu/star.php?st=Ross+458%28AB%29 |archivedate=2011-10-06 |df= }} Vizier catalog entry}} External links
7 : Virgo (constellation)|Objects with variable star designations|Binary stars|M-type main-sequence stars|Flare stars|Circumbinary planets|Multi-star planetary systems |
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