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25 Sagittarii

25 Sagittarii
Observationsdata
Epok: J2000.0
StjärnbildSkytten
Rektascension18t 34m 32,76s
Deklination-24° 13′ 20,62″[1]
Skenbar magnitud ()6,51-6,52 (V)[2]
Stjärntyp
SpektraltypF2II[1]
B–V0,515±0,008[3]
VariabeltypMisstänkt variabel[2]
Astrometri
Radialhastighet ()8,75±0,18 km/s
Egenrörelse (µ)RA: -1,042±0,121 mas/år
Dek.: -2,227±0,093 mas/år
Parallax ()0,9725±0,0692 mas
Avstånd4181,58[4]  (1282,05[4] pc)
Absolut magnitud ()-4,01[4]
Detaljer
Radie53,19[4] R
Temperatur6089[4] K
Andra beteckningar
GCRV 11022[5], GSC 06858-01512[5], HD 171237[5], HIC 91066[5], HIP 91066[5], HR 6965[5], 2MASS J18343275-2413206[5], NSV 11035[5], PPM 268601[5], RAVE J183432.8-241321[5], ROT 7536[5], SAO 186995[5], SRS 14933[5], TD1 22688[5], uvby98 100171237[5], YZ 114 12885[5], WEB 15626[5], Gaia DR2 4077462730427146112[5], 25 Sgr, Gaia DR3 4077462730427146112[5], TIC 228096158[5], GC 25358[5], TYC 6858-1512-1[5] och UBV M 23053[5]

25 Sagittarii är en misstänkt variabel[2] i stjärnbilden Skytten.[1]

25 Sagittarii varierar mellan visuell magnitud +6,51 och 6,52 utan någon fastställd period.[2] Den befinner sig på ett avstånd av ungefär 4180 ljusår.[4]

  1. ^ [a b c] ”Basic data: V* 25 Sgr – Variable Star” (på engelska). Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=25+Sgr&submit=SIMBAD+search. Läst 8 februari 2020. 
  2. ^ [a b c d] ”NSV 11035” (på engelska). The International Variable Star Index. AAVSO – American Association of Variable Star Observers. https://www.aavso.org/vsx/index.php?view=detail.top&oid=49659. Läst 8 februari 2020. 
  3. ^ van Leeuwen (2007). ”Hipparcos, the New Reduction” (på engelska). http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&HIP=91066. Läst 8 februari 2020. 
  4. ^ [a b c d e f] ”25 Sagittarii” (på engelska). Universe Guide. https://www.universeguide.com/star/25sagittarii. Läst 8 februari 2020. 
  5. ^ [a b c d e f g h i j k l m n o p q r s t u v w] SIMBAD Astronomical Database.[källa från Wikidata]
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25 Sagittarii
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