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- CM_Draconis abstract "CM Draconis (GJ 630.1A) is an eclipsing binary system approximately 47 light-years away in the constellation of Draco (the Dragon). The system consists of two nearly identical red dwarf stars located in the constellation Draco. The two stars orbit each other with a period of 1.27 days with a separation of 2.7 million kilometres. Along with two stars in the triple system KOI 126, the stars in CM Draconis are the lightest stars with precisely measured masses and radii. Consequently, the system plays an important role in testing stellar structure models for very low mass stars. These comparisons find that models underpredict the stellar radii by approximately 5%. This is attributed to consequences of the stars' strong magnetic activity. According to the system's entry in the Combined General Catalogue of Variable Stars, at least one of the components is a flare star and at least one is a BY Draconis variable. The white dwarf star GJ 630.1B, located 25.7 arcseconds away shares the same proper motion as the CM Draconis stars and is thus a true companion star of the system. Given the system's distance of 47 light years, this corresponds to a separation of at least 370 astronomical units between CM Draconis and GJ 630.1B.".
- CM_Draconis wikiPageExternalLink startour.asp?StarCatId=&StarId=22.
- CM_Draconis wikiPageExternalLink cmdra-aa.
- CM_Draconis wikiPageID "16818739".
- CM_Draconis wikiPageRevisionID "585729973".
- CM_Draconis absmagV "12.1".
- CM_Draconis appmagV "12.9".
- CM_Draconis class "M4.5V / M4.5V / DB".
- CM_Draconis constell Draco_(constellation).
- CM_Draconis eccentricity "?".
- CM_Draconis epoch "J2000.0".
- CM_Draconis exoplanet "b".
- CM_Draconis hasPhotoCollection CM_Draconis.
- CM_Draconis mass "≥1.5".
- CM_Draconis pError "2.5".
- CM_Draconis parallax "69.2".
- CM_Draconis period "18.5".
- CM_Draconis periodUnit "year".
- CM_Draconis propMoDec "1203".
- CM_Draconis propMoRa "–1109".
- CM_Draconis radialV "–118.71".
- CM_Draconis semimajor "5.3".
- CM_Draconis simbad "CM+DRA".
- CM_Draconis variable BY_Draconis_variable.
- CM_Draconis variable Binary_star.
- CM_Draconis variable Flare_star.
- CM_Draconis subject Category:Binary_stars.
- CM_Draconis subject Category:Draco_(constellation).
- CM_Draconis subject Category:Gliese_and_GJ_objects.
- CM_Draconis subject Category:Hypothetical_planetary_systems.
- CM_Draconis subject Category:M-type_main-sequence_stars.
- CM_Draconis subject Category:Objects_named_with_variable_star_designations.
- CM_Draconis subject Category:Objects_within_100_ly_of_Earth.
- CM_Draconis subject Category:Variable_stars.
- CM_Draconis type BinaryStar109221070.
- CM_Draconis type BinaryStars.
- CM_Draconis type CelestialBody109239740.
- CM_Draconis type M-typeMainSequenceStars.
- CM_Draconis type NaturalObject100019128.
- CM_Draconis type Object100002684.
- CM_Draconis type PhysicalEntity100001930.
- CM_Draconis type Star109444100.
- CM_Draconis type VariableStar109469152.
- CM_Draconis type VariableStars.
- CM_Draconis type Whole100003553.
- CM_Draconis type CelestialBody.
- CM_Draconis type Star.
- CM_Draconis type PhysicalBody.
- CM_Draconis comment "CM Draconis (GJ 630.1A) is an eclipsing binary system approximately 47 light-years away in the constellation of Draco (the Dragon). The system consists of two nearly identical red dwarf stars located in the constellation Draco. The two stars orbit each other with a period of 1.27 days with a separation of 2.7 million kilometres. Along with two stars in the triple system KOI 126, the stars in CM Draconis are the lightest stars with precisely measured masses and radii.".
- CM_Draconis label "CM Draconis".
- CM_Draconis label "CM Draconis".
- CM_Draconis label "CM Дракона".
- CM_Draconis label "天龍座CM".
- CM_Draconis sameAs CM_Draconis.
- CM_Draconis sameAs m.0407bq5.
- CM_Draconis sameAs Q2065889.
- CM_Draconis sameAs Q2065889.
- CM_Draconis sameAs CM_Draconis.
- CM_Draconis wasDerivedFrom CM_Draconis?oldid=585729973.
- CM_Draconis isPrimaryTopicOf CM_Draconis.
- CM_Draconis name "CM Draconis".