HD 63922

HD 63922
Observationsdata
Epok: J2000.0
StjärnbildAkterskeppet
Rektascension07t 49m 14,29536 s[1]
Deklination-46° 22′ 23,5422 ″[1]
Skenbar magnitud ()+4,11 (V)[2]
Stjärntyp
SpektraltypB0 III[3]
U–B-1,01[2]
B–V-0,18[2]
Astrometri
Radialhastighet ()+24,00[4] km/s
Egenrörelse (µ)RA: -4,37[1] mas/år
Dek.: +8,66[1] mas/år
Parallax ()1,98 ± 0,28[1]
Avståndca 1 600  (ca 510 pc)
Absolut magnitud ()-4,37[5]
Detaljer
Massa19,3[6] M
Radie11,81[7] R
Luminositet3 209[5] L
Temperatur31 200[8] K
Metallicitet+0,16 (Fe/H)[5] dex
Vinkelhastighet49[3] km/s
Andra beteckningar
P Puppis, CCDM J07493-4622A, GC 10576, JP11 1606, UBV 7569, GCRV 5217, 2MASS J07491431-4622236, UBV M 13710, ALS 14901, HD 63922, 1RXS J074914.7-462219, WDS J07492-4622A, CD-46 3458, HIC 38164, SAO 219035, WEB 7522, CEL 2052, HIP 38164, SKY# 14527, XMMSL1 J074913.9-462227, CPC 0 4914, HR 3055, TD1 11177, [B10] 2070, CPD-46 1795, IDS 07462-4607 A, TIC 143199501, Gaia DR2 5530670107648495104, EUVE J0749-46.3, IRAS 07476-4614, TYC 8134-3515-1[9]

HD 63922 är en trippelstjärna belägen i den södra delen av stjärnbilden Akterskeppet, som också har Bayer-beteckningen P Puppis. Den har en skenbar magnitud av ca 4,11[2] och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2,0[1] mas, beräknas den befinna sig på ett avstånd på ca 1 600 ljusår (ca 510 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 24 km/s.[4]

Egenskaper

Primärstjärnan HD 63922 A är en blå till vit jättestjärna av spektralklass B0 III.[3] Den har en massa som är ca 19[6] solmassor, en radie som är ca 12[7] solradier och har ca 3 200 gånger solens utstrålning av energi[5] från dess fotosfär vid en effektiv temperatur av ca 31 200 K.[8]

HD 63922 A har en nära följeslagare, HD 63922 Ab, av magnitud 7,19 separerad med 0,3 bågsekund och en mera avlägsen, HD 63922 B, av magnitud 8,79 med en separation av59,1 bågsekunder.[10]

Referenser

Den här artikeln är helt eller delvis baserad på material från engelskspråkiga Wikipedia, HD 63922, 26 juni 2021.

Noter

  1. ^ [a b c d e f] Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600. Vizier catalog entry
  2. ^ [a b c d] Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
  3. ^ [a b c] Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
  4. ^ [a b] Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN 54001336.
  5. ^ [a b c d] Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644. Vizier catalog entry
  6. ^ [a b] Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410: 190–200. arXiv:1007.4883. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. S2CID 118629873. Vizier catalog entry
  7. ^ [a b] https://www.universeguide.com/star/38164/hd63922. Hämtad 2021-10-18
  8. ^ [a b] Nieva, M.-F.; Przybilla, N. (2012). "Present-day cosmic abundances". Astronomy & Astrophysics. 539: A143. arXiv:1203.5787. Bibcode:2012A&A...539A.143N. doi:10.1051/0004-6361/201118158. S2CID 119206639.
  9. ^ P Puppis (u-strasbg.fr) |Hämtad 2021-10-18.
  10. ^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920. Vizier catalog entry

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