NGC 1102

NGC 1102
Galassia a spirale
NGC 1102 nelle immagini Pan-STARRS
Scoperta
ScopritoreFrancis Leavenworth
Data1886 [1]
Dati osservativi
(epoca J2000)
CostellazioneEridano
Ascensione retta02h 47m 12.9s [2]
Declinazione-22° 12′ 32″ [2][1]
Distanza523,5 milioni di a.l.
(160,51 Mpc) [2]
Magnitudine apparente (V)14,5 [3]

nella banda B: 15,3 [3]

Redshift+0,036915 ± 0,000150 [2]
Luminosità superficiale13,70
Angolo di posizione90° [3]
Velocità radiale11067 ± 45 [2] km/s
Caratteristiche fisiche
TipoGalassia a spirale
ClasseSa [2], SBb [3], SBb? [1]
Dimensioni161 600 a.l.
(49 560 [2] pc)
Altre designazioni
PGC 10545
MCG -4-7-41
ESO 546-19
ARP 0244-222 [3]
Mappa di localizzazione
NGC 1102
Categoria di galassie a spirale

NGC 1102 è una vasta e lontana galassia a spirale (da taluni ritenuta barrata) situata nella costellazione dell'Eridano, a una distanza di circa 523 milioni di anni luce dalla nostra Via Lattea.[1]

Scoperta

La galassia è stata scoperta nel 1886 dall'astronomo statunitense Francis Leavenworth.[1]

Descrizione

In alcuni siti viene ipotizzata come galassia a spirale barrata, ma nelle immagini ottenute dall'indagine Pan-STARRS, la presenza della barra non è rilevabile.

Note

  1. ^ a b c d e (EN) Courtney Seligman, Celestial Atlas Table of Contents, NGC 1102, su cseligman.com. URL consultato il 2 novembre 2024.
  2. ^ a b c d e f g Results for object NGC 1102, su ned.ipac.caltech.edu, National Aeronautics and Space Administration / Infrared Processing and Analysis Center. URL consultato il 2 novembre 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 2 novembre 2024.

Voci correlate

Collegamenti esterni

New General Catalogue: NGC 1100  •  NGC 1101  •  NGC 1102  •  NGC 1103  •  NGC 1104
  Portale Astronomia

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