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- HD_157661 abstract "HD 157661 is the Henry Draper Catalogue designation for a likely triple star in the southern constellation of Ara. With a measured annual parallax of 5.13 mas, is located at a distance of approximately 640 light-years (200 parsecs) from Earth. The combined apparent visual magnitude of the stars is 5.29, which means it is faintly visible to the naked eye.The inner components of this system consist of a pair of B-type main sequence stars. The brighter star has a magnitude of 5.70 and a stellar classification of B7 V. At an angular separation of 2.115 arcseconds is the magnitude 6.46 secondary component, which has a classification of B9.5 V. A third member of the system is a 7.6 magnitude A-type star at a separation of 103 arcseconds.".
- HD_157661 wikiPageExternalLink AladinPreview?-c=SV*+ZI++1312&ident=SV*+ZI++1312&submit=Aladin+previewer.
- HD_157661 wikiPageExternalLink VizieR-S?CCDM%20J17268-4550AB.
- HD_157661 wikiPageExternalLink VizieR-S?HR%206477.
- HD_157661 wikiPageID "18825377".
- HD_157661 wikiPageRevisionID "601982150".
- HD_157661 appmagV "5.29".
- HD_157661 bV "–0.07".
- HD_157661 constell Ara_(constellation).
- HD_157661 epoch "J2000".
- HD_157661 hasPhotoCollection HD_157661.
- HD_157661 pError "0.72".
- HD_157661 parallax "5.13".
- HD_157661 propMoDec "–27.91".
- HD_157661 propMoRa "–6.46".
- HD_157661 rI "–0.03".
- HD_157661 radialV "+8".
- HD_157661 uB "–0.34".
- HD_157661 subject Category:A-type_stars.
- HD_157661 subject Category:Ara_(constellation).
- HD_157661 subject Category:B-type_main-sequence_stars.
- HD_157661 subject Category:HR_objects.
- HD_157661 subject Category:Henry_Draper_Catalogue_objects.
- HD_157661 subject Category:Triple_stars.
- HD_157661 type CelestialBody.
- HD_157661 type Star.
- HD_157661 type PhysicalBody.
- HD_157661 comment "HD 157661 is the Henry Draper Catalogue designation for a likely triple star in the southern constellation of Ara. With a measured annual parallax of 5.13 mas, is located at a distance of approximately 640 light-years (200 parsecs) from Earth. The combined apparent visual magnitude of the stars is 5.29, which means it is faintly visible to the naked eye.The inner components of this system consist of a pair of B-type main sequence stars.".
- HD_157661 label "HD 157661".
- HD_157661 label "HD 157661".
- HD_157661 label "HD 157661".
- HD_157661 sameAs HD_157661.
- HD_157661 sameAs m.04gh7bs.
- HD_157661 sameAs Q3304623.
- HD_157661 sameAs Q3304623.
- HD_157661 wasDerivedFrom HD_157661?oldid=601982150.
- HD_157661 isPrimaryTopicOf HD_157661.
- HD_157661 name "HD 157661".