NGC 1680

NGC 1680
Image illustrative de l’article NGC 1680
La galaxie spirale barrée NGC 1680.
Données d’observation
(Époque J2000.0)
Constellation Peintre
Ascension droite (α) 04h 48m 34,0s[1]
Déclinaison (δ) −47° 48′ 59″ [1]
Magnitude apparente (V) 13,6[2]
14,4 dans la Bande B[2]
Brillance de surface 13,05 mag/am2[2]
Dimensions apparentes (V) 1,2′ × 0,5′[2]
Décalage vers le rouge 0,014397 ± 0,000047[1]
Angle de position 102°[2]

Localisation dans la constellation : Peintre

(Voir situation dans la constellation : Peintre)
Astrométrie
Vitesse radiale 4 316 ± 14 km/s [1]
Distance 63,78 ± 4,47 Mpc (∼208 millions d'al)[1]
Caractéristiques physiques
Type d'objet Galaxie spirale barrée
Type de galaxie (R)SB(s)b?[1] SBb[2] SBb?[3]
Dimensions environ 33,41 kpc (∼109 000 al)[1],[a]
Découverte
Découvreur(s) John Herschel[3]
Date [3]
Désignation(s) PGC 16058
ESO 203-4
IRAS 04471-4754[2]
Liste des galaxies spirales barrées
modifier 

NGC 1680 est une galaxie spirale barrée située dans la constellation du Peintre. Sa vitesse par rapport au fond diffus cosmologique est de 4 324 ± 14 km/s, ce qui correspond à une distance de Hubble de 63,8 ± 4,5 Mpc (∼208 millions d'al)[1]. NGC 1680 a été découverte par l'astronome britannique John Herschel en 1834[3].

La classe de luminosité de NGC 1680 est II[1].

Selon Soares et ses collègues, NGC 1680 et ESO 203-007 forment une paire de galaxies[4]. La distance de Hubble d'ESO 202-009 est de 79,45 ± 5,56 (∼)[5], soit à environ 15 pc (∼48,9 al) au-delà de NGC 1680. Malgré les incertitudes sur les distances, il est peu probable que ces deux galaxies forment une paire réelle et qu'il s'agisse plutôt d'un alignement fortuit.

Notes et références

Notes

  1. ↑ Diamètre isophote du relevé ESO-LV Quick Blue"" IIa-O.

Références

  1. ↑ a b c d e f g h et i (en) « Results for object NGC 1680 », 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 1600 à 1699 », sur astrovalleyfield.com (consulté le )
  3. ↑ a b c et d (en) Courtney Seligman, « Celestial Atlas Table of Contents, NGC 1680 » (consulté le ).
  4. ↑ D. S. L. Soares, R. E. de Souza, R. R. de Carvalho et T. C. Couto da Silva, « Southern binary galaxies. I. A sample of isolated pairs. », Astronomy and Astrophysics Supplement, vol. 110,‎ , p. 371 (DOI 10.48550/arXiv.astro-ph/9410092, Bibcode 1995A&AS..110..371S, lire en ligne [PDF])
  5. ↑ (en) « Results for object ESO 203- G 007 (ESO 203-007) », NASA/IPAC Extragalactic Database (consulté le )

Voir aussi

Articles connexes

Liens externes

    •  NGC 1672  •  NGC 1673  •  NGC 1674  •  NGC 1675  •  NGC 1676  •  NGC 1677  •  NGC 1678  •  NGC 1679  •  NGC 1680  •  NGC 1681  •  NGC 1682  •  NGC 1683  •  NGC 1684  •  NGC 1685  •  NGC 1686  •  NGC 1687  •  NGC 1688      

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