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NGC 3109

NGC 3109
위치
별자리 바다뱀자리
적경 10h 03m 06.9s[1]
적위 -26° 09′ 34″[1]
물리적 성질
시선 속도 403 ± 1 km/s[1]
거리 4.3 ± 0.3 Mly (1.33 ± 0.08 Mpc)[2][3]
형태 SB(s)m[1]
규모
크기 19′.1 × 3′.7[1]
광학적 성질
겉보기등급 10.4[1]
기타 성질
명칭 UGCA 194, PGC 29128,[1] h 3221, GC 2003[4]
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NGC 3109바다뱀자리 방향으로 약 430만 광년 떨어진 곳에 있는 작은 불규칙 은하다. 국부은하군의 하위그룹 중에서 가장 밝다. NGC 3109는 공기펌프자리 왜소 은하조석력으로 상호작용하고 있다고 여겨지고 있다.[5] 1835년 3월 24일 남아프리카공화국에서 존 허셜에 의해 발견되었다.[4]

출처

[편집]
  1. “NASA/IPAC Extragalactic Database”. 《Results for NGC 3109》. 2006년 11월 19일에 확인함. 
  2. I. D. Karachentsev, V. E. Karachentseva, W. K. Hutchmeier, D. I. Makarov (2004). “A Catalog of Neighboring Galaxies” (abstract). 《Astronomical Journal》 127: 2031–2068. doi:10.1086/382905. 
  3. Karachentsev, I. D.; Kashibadze, O. G. (2006). “Masses of the local group and of the M81 group estimated from distortions in the local velocity field”. 《Astrophysics》 49 (1): 3–18. doi:10.1007/s10511-006-0002-6. 
  4. Irregular Galaxy NGC 3109 Archived 2007년 11월 7일 - 웨이백 머신
  5. Grebel, Gallagher, Harbeck, p.7
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NGC 3109
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