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- 53_Aquarii abstract "53 Aquarii is the Flamsteed designation for a binary star system in the equatorial constellation of Aquarius. The combined apparent visual magnitude of the pair is a 5.56, making it just visible to the naked eye in dark suburban skies. Based upon an annual parallax shift of 49.50 milliarcseconds for the first component, this system is located at a distance of approximately 65 light-years (20 parsecs) from Earth.This is a wide binary star system with a projected separation of 100 astronomical units; indicating that the two stars are at least this distance apart. The primary component is a solar-type main sequence star with a stellar classification of G1 V. It has about 99% of the Sun's mass, 111% of the Sun's radius, and shines with 139% of the luminosity of the Sun. This energy is being emitted from an outer envelope at an effective temperature of 5,922 K, giving it the golden hue of a G-type star. An examination of the primary component with the Spitzer space telescope failed to detect any infrared excess that might otherwise be an indication of a circumstellar debris disk.The companion is a slightly cooler star with an effective temperature of 5,811 K. It has a stellar classification of G5 V Fe–0.8 CH–1, indicating it is a chemically peculiar G-type main sequence star showing an under-abundance of iron and the molecule CH in its spectrum. As of 2008, it has an angular separation of 1.325 arcseconds along a position angle of 30.9° from the primary.This system is coeval with the Castor Moving Group of stars that share a common motion through space; hence it is a candidate member of that association. This suggests that the system is young; its estimated age is in the range of 180 to 370 million years, based upon the spectrum and X-ray luminosity, respectively.".
- 53_Aquarii thumbnail Aquarius_IAU.svg?width=300.
- 53_Aquarii wikiPageID "2902719".
- 53_Aquarii wikiPageRevisionID "606530602".
- 53_Aquarii absmagV "4.05".
- 53_Aquarii ageGyr "0.18".
- 53_Aquarii appmagV "5.56".
- 53_Aquarii bV "+0.61".
- 53_Aquarii component "53".
- 53_Aquarii constell Aquarius_(constellation).
- 53_Aquarii epoch "J2000".
- 53_Aquarii gravity "4.44".
- 53_Aquarii gravity "4.46".
- 53_Aquarii hasPhotoCollection 53_Aquarii.
- 53_Aquarii luminosity "1.39".
- 53_Aquarii mass "0.99".
- 53_Aquarii metal2Fe "–0.19".
- 53_Aquarii metalFe "–0.10".
- 53_Aquarii names "BD–17 6520, HD 212697, HR 8544, LTT 9025, SAO 165077.".
- 53_Aquarii names "BD–17 6521, HD 212698, HR 8545, LTT 9026, SAO 165078.".
- 53_Aquarii names "f Aquarii, GJ 859, HIP 110778.".
- 53_Aquarii pError "1.23".
- 53_Aquarii parallax "49.5".
- 53_Aquarii propMoDec "+14.51".
- 53_Aquarii propMoRa "+200.59".
- 53_Aquarii radialV "+2.1".
- 53_Aquarii radius "1.11".
- 53_Aquarii rotationalVelocity "8".
- 53_Aquarii rotationalVelocity "9".
- 53_Aquarii temperature "5811".
- 53_Aquarii temperature "5922".
- 53_Aquarii uB "+0.09".
- 53_Aquarii subject Category:Aquarius_(constellation).
- 53_Aquarii subject Category:Bayer_objects.
- 53_Aquarii subject Category:Binary_systems.
- 53_Aquarii subject Category:Flamsteed_objects.
- 53_Aquarii type CelestialBody.
- 53_Aquarii type Star.
- 53_Aquarii type PhysicalBody.
- 53_Aquarii comment "53 Aquarii is the Flamsteed designation for a binary star system in the equatorial constellation of Aquarius. The combined apparent visual magnitude of the pair is a 5.56, making it just visible to the naked eye in dark suburban skies.".
- 53_Aquarii label "53 Aquarii".
- 53_Aquarii label "53 Aquarii".
- 53_Aquarii label "53 Aquarii".
- 53_Aquarii sameAs 53_Aquarii.
- 53_Aquarii sameAs 53_Aquarii.
- 53_Aquarii sameAs 53_Aquarii.
- 53_Aquarii sameAs m.08bd1f.
- 53_Aquarii sameAs Q524731.
- 53_Aquarii sameAs Q524731.
- 53_Aquarii wasDerivedFrom 53_Aquarii?oldid=606530602.
- 53_Aquarii depiction Aquarius_IAU.svg.
- 53_Aquarii isPrimaryTopicOf 53_Aquarii.
- 53_Aquarii name "53 Aquarii".