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- Lambda_Andromedae abstract "Lambda Andromedae (λ And, λ Andromedae) is the Bayer designation for a binary star in the northern constellation of Andromeda. At an estimated distance of approximately 86.1 light-years (26.4 parsecs) from Earth, it has an apparent visual magnitude of +3.8. This is bright enough to be seen with the naked eye.Lambda Andromedae is a single-lined spectroscopic binary with an orbital period of 20.5212 days. The spectrum of the primary matches a stellar classification of G8 III-IV, suggesting that it is an evolved star that lies part way between the subgiant and giant stages. The mass of this star is similar to the Sun, but it has expanded to around seven times the Sun's radius. It is radiating over 23 times the luminosity of the Sun from its outer envelope at an effective temperature of 4,800 K, giving it the characteristic yellow hue of a G-type star.This is an RS Canum Venaticorum variable and its brightness varies by 0.225 magnitudes, reaching a maximum of 3.70, with a period of 54.2 days. Such variability is theorized to occur because of tidal friction, which results in chromospheric activity. However, the orbit of this system is nearly circular, so the cause of this system's variability remains uncertain. The X-ray luminosity of this star, as measured by the ROSAT satellite, is 2.95 × 1030 erg s−1.".
- Lambda_Andromedae thumbnail Andromeda_stars.png?width=300.
- Lambda_Andromedae wikiPageExternalLink AladinPreview?-c=23+37+33.8425%2B46+27+29.347&ident=V*+lam+And&submit=Aladin+previewer.
- Lambda_Andromedae wikiPageExternalLink search.pl?object=HR8961.
- Lambda_Andromedae wikiPageExternalLink hip116584.htm.
- Lambda_Andromedae wikiPageID "2773762".
- Lambda_Andromedae wikiPageLength "8440".
- Lambda_Andromedae wikiPageOutDegree "58".
- Lambda_Andromedae wikiPageRevisionID "707935382".
- Lambda_Andromedae wikiPageWikiLink 3_Andromedae.
- Lambda_Andromedae wikiPageWikiLink 4_Lacertae.
- Lambda_Andromedae wikiPageWikiLink 7_Andromedae.
- Lambda_Andromedae wikiPageWikiLink 8_Andromedae.
- Lambda_Andromedae wikiPageWikiLink 9_Lacertae.
- Lambda_Andromedae wikiPageWikiLink AR_Cassiopeiae.
- Lambda_Andromedae wikiPageWikiLink Alpha_Lacertae.
- Lambda_Andromedae wikiPageWikiLink Andromeda_(constellation).
- Lambda_Andromedae wikiPageWikiLink Apparent_magnitude.
- Lambda_Andromedae wikiPageWikiLink Bayer_designation.
- Lambda_Andromedae wikiPageWikiLink Beta_Lacertae.
- Lambda_Andromedae wikiPageWikiLink Binary_star.
- Lambda_Andromedae wikiPageWikiLink Bortle_scale.
- Lambda_Andromedae wikiPageWikiLink Bright_Star_Catalogue.
- Lambda_Andromedae wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Lambda_Andromedae wikiPageWikiLink Category:Andromeda_(constellation).
- Lambda_Andromedae wikiPageWikiLink Category:Bayer_objects.
- Lambda_Andromedae wikiPageWikiLink Category:Flamsteed_objects.
- Lambda_Andromedae wikiPageWikiLink Category:G-type_giants.
- Lambda_Andromedae wikiPageWikiLink Category:G-type_subgiants.
- Lambda_Andromedae wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Lambda_Andromedae wikiPageWikiLink Category:RS_Canum_Venaticorum_variables.
- Lambda_Andromedae wikiPageWikiLink Category:Spectroscopic_binaries.
- Lambda_Andromedae wikiPageWikiLink Chinese_language.
- Lambda_Andromedae wikiPageWikiLink Chromosphere.
- Lambda_Andromedae wikiPageWikiLink Constellation.
- Lambda_Andromedae wikiPageWikiLink Durchmusterung.
- Lambda_Andromedae wikiPageWikiLink Earth.
- Lambda_Andromedae wikiPageWikiLink Effective_temperature.
- Lambda_Andromedae wikiPageWikiLink Epsilon_Cephei.
- Lambda_Andromedae wikiPageWikiLink Flying_serpent_(asterism).
- Lambda_Andromedae wikiPageWikiLink Giant_star.
- Lambda_Andromedae wikiPageWikiLink Gliese_Catalogue_of_Nearby_Stars.
- Lambda_Andromedae wikiPageWikiLink HD_206267.
- Lambda_Andromedae wikiPageWikiLink Henry_Draper_Catalogue.
- Lambda_Andromedae wikiPageWikiLink Hipparcos.
- Lambda_Andromedae wikiPageWikiLink Iota_Andromedae.
- Lambda_Andromedae wikiPageWikiLink Kappa_Andromedae.
- Lambda_Andromedae wikiPageWikiLink Pi1_Cygni.
- Lambda_Andromedae wikiPageWikiLink Pi2_Cygni.
- Lambda_Andromedae wikiPageWikiLink Psi_Andromedae.
- Lambda_Andromedae wikiPageWikiLink ROSAT.
- Lambda_Andromedae wikiPageWikiLink RS_Canum_Venaticorum_variable.
- Lambda_Andromedae wikiPageWikiLink Rho_Cassiopeiae.
- Lambda_Andromedae wikiPageWikiLink Sigma_Cassiopeiae.
- Lambda_Andromedae wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Lambda_Andromedae wikiPageWikiLink Spectrum.
- Lambda_Andromedae wikiPageWikiLink Star_catalogue.
- Lambda_Andromedae wikiPageWikiLink Stellar_atmosphere.
- Lambda_Andromedae wikiPageWikiLink Stellar_classification.
- Lambda_Andromedae wikiPageWikiLink Stellar_evolution.
- Lambda_Andromedae wikiPageWikiLink Stellar_magnetic_field.
- Lambda_Andromedae wikiPageWikiLink Subgiant.
- Lambda_Andromedae wikiPageWikiLink Tau_Cassiopeiae.
- Lambda_Andromedae wikiPageWikiLink File:Andromeda_stars.png.
- Lambda_Andromedae wikiPageWikiLinkText "Lambda Andromedae".
- Lambda_Andromedae wikiPageWikiLinkText "λ And".
- Lambda_Andromedae wikiPageWikiLinkText "λ Andromedae".
- Lambda_Andromedae wikiPageWikiLinkText "λ".
- Lambda_Andromedae absmagV "1.91".
- Lambda_Andromedae appmagV "3.819".
- Lambda_Andromedae bV "+0.996".
- Lambda_Andromedae class "G8 III-IV".
- Lambda_Andromedae constell Andromeda_(constellation).
- Lambda_Andromedae epoch "J2000".
- Lambda_Andromedae gravity "2.75".
- Lambda_Andromedae luminosity "23.4".
- Lambda_Andromedae mass "1".
- Lambda_Andromedae metalFe "–0.56".
- Lambda_Andromedae pError "0.21".
- Lambda_Andromedae parallax "37.87".
- Lambda_Andromedae propMoDec "-422.38".
- Lambda_Andromedae propMoRa "+159.31".
- Lambda_Andromedae radialV "+6.8".
- Lambda_Andromedae radius "7".
- Lambda_Andromedae rotation "4665600.0".
- Lambda_Andromedae rotationalVelocity "7.3".
- Lambda_Andromedae temperature "4800".
- Lambda_Andromedae uB "+0.688".
- Lambda_Andromedae variable "RS CVn type".
- Lambda_Andromedae wikiPageUsesTemplate Template:Convert.
- Lambda_Andromedae wikiPageUsesTemplate Template:DEC.
- Lambda_Andromedae wikiPageUsesTemplate Template:Lang-en.
- Lambda_Andromedae wikiPageUsesTemplate Template:RA.
- Lambda_Andromedae wikiPageUsesTemplate Template:Reflist.
- Lambda_Andromedae wikiPageUsesTemplate Template:Starbox_astrometry.
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- Lambda_Andromedae wikiPageUsesTemplate Template:Starbox_end.