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- 19_Arietis abstract "19 Arietis is the Flamsteed designation for a star in the northern constellation of Aries. It has an apparent visual magnitude of 5.70, which means it is faintly visible to the naked eye. Based upon an annual parallax shift of 6.81 mas, it is approximately 480 light-years (150 parsecs) away from Earth. At that distance, the brightness of the star is diminished by 0.21 in magnitude from extinction caused by interstellar gas and dust.This is a red giant star with a stellar classification of M0 III. It is a semi-regular variable with periods of 32 and 275 days; the brightness of the star changes by an amplitude of 0.14 in magnitude during those intervals. The measured angular diameter of this star, after correction for limb darkening, is 2.44 ± 0.03 mas. At the estimated distance of Delta Ophiuchi, this yields a physical size of about 39 times the radius of the Sun. The effective temperature of the outer envelope is 3,690 K, giving it the cool reddish glow of an M-type star.".
- 19_Arietis wikiPageExternalLink AladinPreview?-c=02+13+03.3053%2B15+16+47.494&ident=SV*+ZI+++114&submit=Aladin+previewer.
- 19_Arietis wikiPageExternalLink VizieR-S?HR%20648.
- 19_Arietis wikiPageID "2902744".
- 19_Arietis wikiPageRevisionID "631201097".
- 19_Arietis appmagV "5.7".
- 19_Arietis bV "+1.55".
- 19_Arietis class "M0 III".
- 19_Arietis constell Aries_(constellation).
- 19_Arietis epoch "J2000".
- 19_Arietis hasPhotoCollection 19_Arietis.
- 19_Arietis pError "0.38".
- 19_Arietis parallax "6.81".
- 19_Arietis propMoDec "-20.3".
- 19_Arietis propMoRa "+97.95".
- 19_Arietis rI "0.97".
- 19_Arietis radius "39".
- 19_Arietis temperature "3690".
- 19_Arietis uB "+1.95".
- 19_Arietis variable Semiregular_variable_star.
- 19_Arietis subject Category:Aries_(constellation).
- 19_Arietis subject Category:Flamsteed_objects.
- 19_Arietis subject Category:Henry_Draper_Catalogue_objects.
- 19_Arietis subject Category:Hipparcos_objects.
- 19_Arietis subject Category:M-type_giants.
- 19_Arietis type CelestialBody.
- 19_Arietis type Star.
- 19_Arietis type Thing.
- 19_Arietis comment "19 Arietis is the Flamsteed designation for a star in the northern constellation of Aries. It has an apparent visual magnitude of 5.70, which means it is faintly visible to the naked eye. Based upon an annual parallax shift of 6.81 mas, it is approximately 480 light-years (150 parsecs) away from Earth.".
- 19_Arietis label "19 Arietis".
- 19_Arietis label "19 Arietis".
- 19_Arietis label "19 Arietis".
- 19_Arietis label "19 Arietis".
- 19_Arietis sameAs 19_Arietis.
- 19_Arietis sameAs 19_Arietis.
- 19_Arietis sameAs m.08bd5y.
- 19_Arietis sameAs Q2608306.
- 19_Arietis sameAs Q2608306.
- 19_Arietis wasDerivedFrom 19_Arietis?oldid=631201097.
- 19_Arietis isPrimaryTopicOf 19_Arietis.
- 19_Arietis name "19 Arietis".