NGC 1100

NGC 1100
Galassia a spirale barrata
NGC 1100 nelle immagini Pan-STARRS
Scoperta
ScopritoreFrancis Leavenworth
Data17 ottobre 1885 [1]
Dati osservativi
(epoca J2000)
CostellazioneEridano
Ascensione retta02h 45m 36.1s [2]
Declinazione-17° 41′ 20″ [2][1]
Distanza352,4 milioni di a.l.
(108,04 Mpc) [2]
Magnitudine apparente (V)13,0 [3]

nella banda B: 13,9 [3]

Redshift+0,025087 ± 0,000030 [2]
Luminosità superficiale13,33
Angolo di posizione58° [3]
Velocità radiale7521 ± 9 [2] km/s
Caratteristiche fisiche
TipoGalassia a spirale barrata
ClasseSAB(r)a? [2], SBa [3], SBa? [1]
Dimensioni177 000 a.l.
(54 260 [2] pc)
Altre designazioni
PGC 10438
MCG -3-8-16
HCG 21B
ESO 546-18 [3]
Mappa di localizzazione
NGC 1100
Categoria di galassie a spirale barrata

NGC 1100 è una vasta galassia a spirale barrata situata nella costellazione dell'Eridano, a una distanza di circa 352 milioni di anni luce dalla nostra Via Lattea.[1]

Scoperta

La galassia è stata scoperta il 17 ottobre 1885 dall'astronomo statunitense Francis Leavenworth.[1]

Hickson Compact Group 21

NGC 1100 fa parte del Hickson Compact Group dove è classificata con il codice HCG 21 assieme alle galassie NGC 1091, NGC 1092, NGC 1098 e NGC 1099.[1]

Note

  1. ^ a b c d e f (EN) Courtney Seligman, Celestial Atlas Table of Contents, NGC 1100, su cseligman.com. URL consultato il 29 ottobre 2024.
  2. ^ a b c d e f g Results for object NGC 1100, su ned.ipac.caltech.edu, National Aeronautics and Space Administration / Infrared Processing and Analysis Center. URL consultato il 29 ottobre 2024.
  3. ^ a b c d e (FR) Les données de «Revised NGC and IC Catalog by Wolfgang Steinicke», NGC 1100 à 1199, su astrovalleyfield.ca. URL consultato il 29 ottobre 2024.

Voci correlate

Collegamenti esterni

New General Catalogue: NGC 1098  •  NGC 1099  •  NGC 1100  •  NGC 1101  •  NGC 1102
  Portale Astronomia

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