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- 15_Arietis abstract "15 Arietis is the Flamsteed designation for a single star in the northern constellation of Aries. It has an apparent visual magnitude of 5.74, which is just bright enough to be visible to the naked eye from dark suburban skies. An annual parallax shift of 5.84 mas corresponds to a physical distance of approximately 560 light-years (170 parsecs) from Earth. At that distance, the star's brightness is reduced by 0.33 in magnitude because of extinction from interstellar gas and dust.This is a red giant star with a stellar classification of M3 III. The measured angular diameter of this star is 3.67 ± 0.11 mas. At the estimated distance of Delta Ophiuchi, this yields a physical size of about 67 times the radius of the Sun. It is a pulsating variable star with the variable star designation AV Arietis. The first pulsation period is 18.1 days with an amplitude of 0.028 magnitudes, while the second is 21.9 days and 0.030 in magnitude.".
- 15_Arietis wikiPageExternalLink AladinPreview?-c=02+10+37.6%2B19+30+01&ident=V*+AV+Ari&submit=Aladin+previewer.
- 15_Arietis wikiPageExternalLink VizieR-S?HR%20631.
- 15_Arietis wikiPageID "2902746".
- 15_Arietis wikiPageRevisionID "631191832".
- 15_Arietis appmagV "5.74".
- 15_Arietis bV "+1.64".
- 15_Arietis class "M3 III".
- 15_Arietis constell Aries_(constellation).
- 15_Arietis epoch "J2000".
- 15_Arietis hasPhotoCollection 15_Arietis.
- 15_Arietis pError "0.49".
- 15_Arietis parallax "5.84".
- 15_Arietis propMoDec "-27.82".
- 15_Arietis propMoRa "+87.88".
- 15_Arietis radius "67".
- 15_Arietis uB "+1.91".
- 15_Arietis variable "Pulsating".
- 15_Arietis subject Category:Aries_(constellation).
- 15_Arietis subject Category:Flamsteed_objects.
- 15_Arietis subject Category:Henry_Draper_Catalogue_objects.
- 15_Arietis subject Category:Hipparcos_objects.
- 15_Arietis subject Category:M-type_main-sequence_stars.
- 15_Arietis type CelestialBody.
- 15_Arietis type Star.
- 15_Arietis type Thing.
- 15_Arietis comment "15 Arietis is the Flamsteed designation for a single star in the northern constellation of Aries. It has an apparent visual magnitude of 5.74, which is just bright enough to be visible to the naked eye from dark suburban skies. An annual parallax shift of 5.84 mas corresponds to a physical distance of approximately 560 light-years (170 parsecs) from Earth.".
- 15_Arietis label "15 Arietis".
- 15_Arietis label "15 Arietis".
- 15_Arietis label "15 Arietis".
- 15_Arietis sameAs 15_Arietis.
- 15_Arietis sameAs m.08bd68.
- 15_Arietis sameAs Q2401507.
- 15_Arietis sameAs Q2401507.
- 15_Arietis wasDerivedFrom 15_Arietis?oldid=631191832.
- 15_Arietis isPrimaryTopicOf 15_Arietis.
- 15_Arietis name "15 Arietis".