Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Groombridge_34> ?p ?o }
- Groombridge_34 abstract "Groombridge 34 is a binary star system in the northern constellation of Andromeda. It was listed as entry number 34 in A Catalogue of Circumpolar Stars, published posthumously in 1838 by British astronomer Stephen Groombridge. Based upon parallax measurements taken by the Hipparcos spacecraft, the system is located about 11.7 light-years from the Sun. This positions the pair among the nearest stars to the Solar System.Both components are small, dim red dwarf stars that are too faint to be seen with the naked eye. They orbit around their common barycenter in a nearly circular orbit with a separation of about 147 AU and a period of around 2,600 years. Both stars exhibit random variation in luminosity due to flares and they have been given variable star designations: the brighter member Groombridge 34 A is designated GX And, while the smaller component is designated GQ And.The star system has a relatively high proper motion of 2.9 arc seconds per year, and is moving away from the Solar System at a velocity of 11.6 km/s. It achieved perihelion some 15,000 years ago when it came within 11 ly (3.5 pc) of the Sun.".
- Groombridge_34 wikiPageExternalLink TOP100.posted.htm.
- Groombridge_34 wikiPageExternalLink AladinPreview?-c=00+18+22.8853%2B44+01+22.632&ident=V*+GX+And&submit=Aladin+previewer.
- Groombridge_34 wikiPageExternalLink nearby_stars.htm.
- Groombridge_34 wikiPageExternalLink groomb34.htm.
- Groombridge_34 wikiPageID "2373313".
- Groombridge_34 wikiPageLength "12511".
- Groombridge_34 wikiPageOutDegree "46".
- Groombridge_34 wikiPageRevisionID "704736713".
- Groombridge_34 wikiPageWikiLink Alexander_Vyssotsky.
- Groombridge_34 wikiPageWikiLink Andromeda_(constellation).
- Groombridge_34 wikiPageWikiLink Astronomical_unit.
- Groombridge_34 wikiPageWikiLink Barycenter.
- Groombridge_34 wikiPageWikiLink Category:Andromeda_(constellation).
- Groombridge_34 wikiPageWikiLink Category:Binary_stars.
- Groombridge_34 wikiPageWikiLink Category:Durchmusterung_objects.
- Groombridge_34 wikiPageWikiLink Category:Flare_stars.
- Groombridge_34 wikiPageWikiLink Category:Gliese_and_GJ_objects.
- Groombridge_34 wikiPageWikiLink Category:Groombridge_objects.
- Groombridge_34 wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Groombridge_34 wikiPageWikiLink Category:Hipparcos_objects.
- Groombridge_34 wikiPageWikiLink Category:Local_Bubble.
- Groombridge_34 wikiPageWikiLink Category:M-type_main-sequence_stars.
- Groombridge_34 wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- Groombridge_34 wikiPageWikiLink Category:Spectroscopic_binaries.
- Groombridge_34 wikiPageWikiLink Constellation.
- Groombridge_34 wikiPageWikiLink Durchmusterung.
- Groombridge_34 wikiPageWikiLink Earth_mass.
- Groombridge_34 wikiPageWikiLink Exoplanet.
- Groombridge_34 wikiPageWikiLink Flare_star.
- Groombridge_34 wikiPageWikiLink Gliese_15_Ab.
- Groombridge_34 wikiPageWikiLink Gliese_Catalogue_of_Nearby_Stars.
- Groombridge_34 wikiPageWikiLink Henry_Draper_Catalogue.
- Groombridge_34 wikiPageWikiLink Hipparcos.
- Groombridge_34 wikiPageWikiLink List_of_nearest_stars_and_brown_dwarfs.
- Groombridge_34 wikiPageWikiLink Minute_and_second_of_arc.
- Groombridge_34 wikiPageWikiLink Orbital_period.
- Groombridge_34 wikiPageWikiLink Perihelion_and_aphelion.
- Groombridge_34 wikiPageWikiLink Radial_velocity.
- Groombridge_34 wikiPageWikiLink Red_dwarf.
- Groombridge_34 wikiPageWikiLink Star_catalogue.
- Groombridge_34 wikiPageWikiLink Stars_and_planetary_systems_in_fiction.
- Groombridge_34 wikiPageWikiLink Stefan–Boltzmann_constant.
- Groombridge_34 wikiPageWikiLink Stellar_parallax.
- Groombridge_34 wikiPageWikiLink Stephen_Groombridge.
- Groombridge_34 wikiPageWikiLink Sun.
- Groombridge_34 wikiPageWikiLink Variable_star_designation.
- Groombridge_34 wikiPageWikiLink W._M._Keck_Observatory.
- Groombridge_34 wikiPageWikiLinkText "GRB 34".
- Groombridge_34 wikiPageWikiLinkText "Gliese 15 A".
- Groombridge_34 wikiPageWikiLinkText "Groombridge 34".
- Groombridge_34 wikiPageWikiLinkText "Groombridge 34#planetary system".
- Groombridge_34 wikiPageWikiLinkText "Groombridge 34".
- Groombridge_34 appmagV "8.119".
- Groombridge_34 axis "41.15".
- Groombridge_34 bV "+1.56/+1.80".
- Groombridge_34 class "M1.4V + M4.1V".
- Groombridge_34 component "GQ And".
- Groombridge_34 component "GX And".
- Groombridge_34 constell Andromeda_(constellation).
- Groombridge_34 eccentricity "0".
- Groombridge_34 eccentricity "0.12".
- Groombridge_34 epoch "J2000".
- Groombridge_34 exoplanet Gliese_15_Ab.
- Groombridge_34 gravity "4.89".
- Groombridge_34 group "note".
- Groombridge_34 habitableInner "0.048".
- Groombridge_34 habitableInner "0.112".
- Groombridge_34 habitableOuter "0.103".
- Groombridge_34 habitableOuter "0.239".
- Groombridge_34 inclination "61.4".
- Groombridge_34 luminosityBolometric "0.02589".
- Groombridge_34 luminosityBolometric "~0.00262".
- Groombridge_34 luminosityVisual "0.00637".
- Groombridge_34 luminosityVisual "4.1E-4".
- Groombridge_34 mass "0.159".
- Groombridge_34 mass "0.404".
- Groombridge_34 massEarth "≥ 5.35±0.75".
- Groombridge_34 metal2Fe "−0.30".
- Groombridge_34 metalFe "-0.32".
- Groombridge_34 name "Groombridge 34 A".
- Groombridge_34 name "Groombridge 34 B".
- Groombridge_34 node "45.3".
- Groombridge_34 pError "0.77".
- Groombridge_34 parallax "278.76".
- Groombridge_34 periastron "1745".
- Groombridge_34 period "11.4433".
- Groombridge_34 period "2600".
- Groombridge_34 propMoDec "+410.10 ± 0.48".
- Groombridge_34 propMoRa "+2888.92 ± 0.60".
- Groombridge_34 radius "0.192".
- Groombridge_34 radius "0.3863".
- Groombridge_34 refs "ref|From , where is the luminosity, is the radius, is the effective surface temperature and is the Stefan–Boltzmann constant|group="note"|name=luminosity_bolometric ref|Using the absolute visual magnitude of Gliese 15 A, , and Gliese 15 B, , with the absolute visual magnitude of the Sun, , the two visual luminosities of the stars can be calculated by |group="note"|name=luminosity_visual".
- Groombridge_34 semimajor "0.0717".
- Groombridge_34 temperature "3218".
- Groombridge_34 temperature "3730".
- Groombridge_34 uB "+1.24/+1.40".
- Groombridge_34 variable "Flare stars".
- Groombridge_34 wikiPageUsesTemplate Template:Convert.
- Groombridge_34 wikiPageUsesTemplate Template:DEC.