V842 Centauri

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V842 Centauri
Données d'observation
(époque J2000.0)
Ascension droite 14h 35m 52,5682s[1]
Déclinaison −57° 37′ 35,390″[1]
Constellation Centaure

Localisation dans la constellation : Centaure

(Voir situation dans la constellation : Centaure)
Caractéristiques
Variabilité nova
Astrométrie
Mouvement propre μα = −13,957 mas/a[1]
μδ = −6,393 mas/a[1]
Parallaxe 0,730 5 ± 0,050 3 mas[1]
Distance 1 379+120
−78 pc (∼4 500 al)[2]
Magnitude absolue −7,5 (maximale)
3,4 (en temps normal)[2]

Désignations

Nova Centauri 1986, V842 Cen, 2MASS J14355255-5737352[3]

modifier

V842 Centauri (ou Nova Centauri 1986) était une nova qui survint en 1986 dans la constellation du Centaure. Elle atteignit une magnitude minimale (correspondant à une luminosité maximale) de 4,6.

D'après les mesures de parallaxe réalisées par le satellite Gaia, elle est distante d'environ ∼ 4 500 a.l. (∼ 1 380 pc) de la Terre[2].

Notes et références

  1. ↑ a b c d et e (en) A. G. A. Brown et al. (Gaia collaboration), « Gaia Data Release 2 : Summary of the contents and survey properties », Astronomy & Astrophysics, vol. 616,‎ , article no A1 (DOI 10.1051/0004-6361/201833051, Bibcode 2018A&A...616A...1G, arXiv 1804.09365). Notice Gaia DR2 pour cette source sur VizieR.
  2. ↑ a b et c (en) Bradley E. Schaefer, « The distances to Novae as seen by Gaia », Monthly Notices of the Royal Astronomical Society, vol. 481, no 3,‎ , p. 3033-3051 (DOI 10.1093/mnras/sty2388, Bibcode 2018MNRAS.481.3033S, arXiv 1809.00180)
  3. ↑ (en) V* V842 Cen -- Nova sur la base de données Simbad du Centre de données astronomiques de Strasbourg.

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