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NGC 6872

NGC 6872 dan IC 4970
Data pengamatan (J2000 epos)
Rasi bintangPavo
Asensio rekta 20j 16m 56.5d /  20j 16m 57.1d[1]
Deklinasi -70° 46′ 06″ /  -70° 44′ 58″[1]
Pergeseran merah4560 ± 30 / 4720 ± 40 km/s[1]
Jarak220 Mly[2]
Magnitudo semu (V)12.7 / 14.7[1]
Ciri-ciri
JenisSAB(rs)c / SA0- pec[1]
Ukuran semu (V)6′.0 × 1′.7 / 0′.7 × 0′.2[1]
Ciri-ciri pentingInteracting galaxies
Penamaan lain
ESO 073-IG 032 / 073-IG 033,[1]
PGC 64413 / 64415[1]

NGC 6872 dan IC 4970 adalah sepasang galaksi yang berinteraksi yang berada pada jarak lebih dari 200 juta tahun cahaya dari bumi, pada rasi bintang Pavo.

Pada 22 Maret 1999, European Southern Observatory (ESO) mengamati galaksi tersebut, yang menampilkan bentuk yang spektakuler menyerupai tanda 'integral'. Galaksi ini diklasifikasikan sebagai galaksi tipe SB(s)b pec dan didampingi serta berinteraksi dengan galaksi yang lebih kecil, IC 4970 tipe. E7-S0[2]

NGC 6872 melebar lebih dari enam arcmin di langit.[2] Ukuran sesungguhnya dari ujung ke ujung adalah 522.000 tahun cahaya,[3] menjadikannya galaksi spiral terbesar yang pernah diketahui sampai dengan tahun 2013.[3][4]

Referensi

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  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4676A / 4676B. Diakses tanggal 2006-11-21. 
  2. ^ a b c NED results for object NGC 6872 from the NASA/IPAC Extragalactic Database. Diakses 11 Januari 2013
  3. ^ a b NASA's Galex Reveals the Largest-Known Spiral Galaxy, a January 10, 2013 press release from the Jet Propulsion Laboratory. Diakses 11 Januari 2013
  4. ^ "Inilah Spiral Terbesar di Jagat Raya". Diakses tanggal 12 Januari 2013. 

Pranala luar

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NGC 6872
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