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- 25_Aquarii abstract "25 Aquarii is the modern Flamsteed designation for a single star in the equatorial constellation of Aquarius. In the past it held the designation 6 Pegasi and it is located near the border with the modern Pegasus constellation. Although faint at an apparent visual magnitude of +5.09, it is bright enough to be viewed from suburban skies. Based upon an annual parallax shift of 0.01440 arcseconds, it is located at a distance of around 226 light-years (69 parsecs) from Earth. The visual magnitude of the star is diminished by 0.09 from extinction caused by intervening gas and dust.The spectrum of this star matches a stellar classification of K0 III, with the luminosity class of III indicating that this is a giant star that has evolved away from the main sequence after exhausting the supply of hydrogen at its core. It belongs to a population known as clump giants and hence is generating energy through the nuclear fusion of helium at the core. The outer envelope has expanded to 11 times the radius of the Sun and it is radiating 54 times the Sun's luminosity. This energy is being emitted from the stellar atmosphere at an effective temperature of 4,721 K, causing it to glow with the orange hue of a K-type star.".
- 25_Aquarii thumbnail Aquarius_IAU.svg?width=300.
- 25_Aquarii wikiPageExternalLink AladinPreview?-c=21+39+33.2658%2B02+14+36.810&ident=*+d+Aqr&submit=Aladin+previewer.
- 25_Aquarii wikiPageID "2902634".
- 25_Aquarii wikiPageRevisionID "605625975".
- 25_Aquarii appmagV "+5.09".
- 25_Aquarii bV "+1.032".
- 25_Aquarii class "K0 III".
- 25_Aquarii constell Aquarius_(constellation).
- 25_Aquarii epoch "J2000".
- 25_Aquarii gravity "2.5".
- 25_Aquarii hasPhotoCollection 25_Aquarii.
- 25_Aquarii luminosity "54".
- 25_Aquarii metalFe "–0.17".
- 25_Aquarii pError "0.3".
- 25_Aquarii parallax "14.4".
- 25_Aquarii propMoDec "–83.22".
- 25_Aquarii propMoRa "–29.55".
- 25_Aquarii radius "11".
- 25_Aquarii rotationalVelocity "2.5".
- 25_Aquarii temperature "4721".
- 25_Aquarii uB "+0.90".
- 25_Aquarii subject Category:Aquarius_(constellation).
- 25_Aquarii subject Category:Bayer_objects.
- 25_Aquarii subject Category:Flamsteed_objects.
- 25_Aquarii subject Category:Henry_Draper_Catalogue_objects.
- 25_Aquarii type CelestialBody.
- 25_Aquarii type Star.
- 25_Aquarii type PhysicalBody.
- 25_Aquarii comment "25 Aquarii is the modern Flamsteed designation for a single star in the equatorial constellation of Aquarius. In the past it held the designation 6 Pegasi and it is located near the border with the modern Pegasus constellation. Although faint at an apparent visual magnitude of +5.09, it is bright enough to be viewed from suburban skies. Based upon an annual parallax shift of 0.01440 arcseconds, it is located at a distance of around 226 light-years (69 parsecs) from Earth.".
- 25_Aquarii label "25 Aquarii".
- 25_Aquarii label "25 Aquarii".
- 25_Aquarii label "25 Aquarii".
- 25_Aquarii label "25 Aquarii".
- 25_Aquarii label "天鷹座25".
- 25_Aquarii sameAs 25_Aquarii.
- 25_Aquarii sameAs 25_Aquarii.
- 25_Aquarii sameAs 25_Aquarii.
- 25_Aquarii sameAs 25_Aquarii.
- 25_Aquarii sameAs m.08bcnn.
- 25_Aquarii sameAs Q2446746.
- 25_Aquarii sameAs Q2446746.
- 25_Aquarii wasDerivedFrom 25_Aquarii?oldid=605625975.
- 25_Aquarii depiction Aquarius_IAU.svg.
- 25_Aquarii isPrimaryTopicOf 25_Aquarii.
- 25_Aquarii name "25 Aquarii".