NGC 902

NGC 902
Image illustrative de l’article NGC 902
La galaxie spirale barrée NGC 902
Données d’observation
(Époque J2000.0)
Constellation Baleine
Ascension droite (α) 02h 22m 21,7s[1]
Déclinaison (δ) −16° 40′ 45″ [1]
Magnitude apparente (V) 14,0 [2]
14,8 dans la Bande B [2]
Brillance de surface 12,69 mag/am2[2]
Dimensions apparentes (V) 0,6′ × 0,5′ [2]
Décalage vers le rouge +0,022532 ± 0,000097[1]
Angle de position 15°[2]

Localisation dans la constellation : Baleine

(Voir situation dans la constellation : Baleine)
Astrométrie
Vitesse radiale 6 755 ± 29 km/s [1]
Distance 96,31 ± 6,76 Mpc (∼314 millions d'al)[1]
Caractéristiques physiques
Type d'objet Galaxie spirale barrée
Type de galaxie SB(rs)bc?[1] SBbc[2] SBbc?[3]
Dimensions environ 14,13 kpc (∼46 100 al)[1]
Découverte
Découvreur(s) Francis Leavenworth[3]
Date [3]
Désignation(s) PGC 9021
MCG -3-7-5 [2]
Liste des galaxies spirales barrées
modifier 

NGC 902 est une galaxie spirale barrée située dans la constellation de la Baleine. Sa vitesse par rapport au fond diffus cosmologique est de 6 530 ± 33 km/s, ce qui correspond à une distance de Hubble de 96,3 ± 6,8 Mpc (∼314 millions d'al)[1]. NGC 902 a été découverte par l'astronome américain Francis Leavenworth en 1864.

Notes et références

  1. ↑ a b c d e f g et h (en) « Results for object NGC 902 », NASA/IPAC Extragalactic Database (consulté le ).
  2. ↑ a b c d e f et g « Les données de «Revised NGC and IC Catalog by Wolfgang Steinicke», NGC 900 à 999 », sur astrovalleyfield.com (consulté le )
  3. ↑ a b et c (en) Courtney Seligman, « Celestial Atlas Table of Contents, NGC 902 » (consulté le ).

Voir aussi

Articles connexes

Liens externes

    •  NGC 894  •  NGC 895  •  NGC 896  •  NGC 897  •  NGC 898  •  NGC 899  •  NGC 900  •  NGC 901  •  NGC 902  •  NGC 903  •  NGC 904  •  NGC 905  •  NGC 906  •  NGC 907  •  NGC 908  •  NGC 909  •  NGC 910      

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