NGC 1061

NGC 1061
Image illustrative de l’article NGC 1061
La galaxie spirale NGC 1061
Données d’observation
(Époque J2000.0)
Constellation Triangle
Ascension droite (α) 02h 43m 15,7s[1]
Déclinaison (δ) 32° 28′ 00″ [1]
Magnitude apparente (V) 14,1 [2]
14,7 dans la Bande B[2]
Brillance de surface 13,43 mag/am2[2]
Dimensions apparentes (V) 0,9′ × 0,6′[2]
Décalage vers le rouge +0,013429 ± 0,000030[1]
Angle de position 42°[2]

Localisation dans la constellation : Triangle

(Voir situation dans la constellation : Triangle)
Astrométrie
Vitesse radiale 4 026 ± 9 km/s [1]
Distance 56,25 ± 3,95 Mpc (∼183 millions d'al)[1]
Caractéristiques physiques
Type d'objet Galaxie spirale
Type de galaxie Irr?[1] Sd[2] S(rs)ab? pec[3]
Dimensions environ 16,87 kpc (∼55 000 al)[1]
Découverte
Découvreur(s) George Stoney[3]
Date [3]
Désignation(s) PGC 10303
MCG 5-7-36
CGCG 505-39
KUG 0240+322[2]
Liste des galaxies spirales
modifier 

NGC 1061 est une galaxie spirale située dans la constellation du Triangle. Sa vitesse par rapport au fond diffus cosmologique est de 3 814 ± 17 km/s, ce qui correspond à une distance de Hubble de 56,3 ± 4,0 Mpc (∼184 millions d'al)[1]. NGC 1061 a été découverte par le physicien irlandais George Stoney en 1849.

NGC 1061 présente une large raie HI[1].

NGC 1061 est dans une région du ciel particulièrement riche en galaxies. On y trouve les galaxies NGC 1057, NGC 1060, NGC 1061, NGC 1066 et NGC 1067 qui, selon la base de données NASA/IPAC, font toutes partie d'un groupe de galaxies. Plusieurs autres galaxies qui ne figurent pas au catalogue NGC sont aussi dans cette région. Notons que la galaxie UGC 2201 (voir l'image) est identifiée faussement à NGC 1062 sur la base de données Simbad[4].

NGC 1057 et ses voisines
NGC 1057 est au centre de cette image. (Adam Block/Mount Lemmon SkyCenter/University of Arizona)

Notes et références

  1. ↑ a b c d e f g h et i (en) « Results for object NGC 1061 », 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 1000 à 1099 », sur astrovalleyfield.com (consulté le )
  3. ↑ a b et c (en) Courtney Seligman, « Celestial Atlas Table of Contents, NGC 1061 » (consulté le ).
  4. ↑ (en) « Site du professeur C. Seligman » (consulté le )

Voir aussi

Articles connexes

Liens externes

NGC 1053  •  NGC 1054  •  NGC 1055  •  NGC 1056  •  NGC 1057  •  NGC 1058  •  NGC 1059  •  NGC 1060  •  NGC 1061  •  NGC 1062  •  NGC 1063  •  NGC 1064  •  NGC 1065  •  NGC 1066  •  NGC 1067  •  NGC 1068  •  NGC 1069

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