Messier 107

Messier 107
M107 dari Hubble Space Telescope; 3.5′ view
Kredit: NASA/STScI/WikiSky
Data pengamatan (J2000 epos)
KelasX[1]
Asensio rekta 16j 32m 31.86d[2]
Deklinasi –13° 03′ 13.6″[2]
Jarak209 kly (64 kpc)[3]
Magnitudo tampak (V)+8.85[4]
Dimensi tampak (V)13′.0
Karakteristik fisik
Massa1,82×105[3] M☉
Radius39.5 ly[5]
Metalisitas = –0.95[6] dex
Perkiraan umur13.95 Gyr[6]
Nama lainNGC 6171, GCl 44[4]
Lihat pula: Gugus bola, Daftar gugus bola

Globular Cluster M107 (juga dikenal sebagai Messier Object 107 atau NGC 6171) adalah gugus bola terakhir di Katalog Messier. Objek ini berupa gugus bola yang sangat renggang yang terletak di di konstelasi Ophiuchus. objek ini ditemukan oleh Pierre Méchain pada bulan April 1782 dan secara independen oleh William Herschel pada tahun 1793.

M107 berdekatan dengan bidang galaksi pada jarak sekitar 20,900 tahun cahaya dari Bumi. Ada 25 bintang variabel yang diketahui yang terletak di gugus ini.

Galeri

  • Bulat gugus bintang Messier 107 gambar yang diambil oleh Wide Field Imager (WFI) di MPG/ESO 2.2 meter teleskop.
    Bulat gugus bintang Messier 107 gambar yang diambil oleh Wide Field Imager (WFI) di MPG/ESO 2.2 meter teleskop.
  • Peta yang menunjukkan lokasi M107.
    Peta yang menunjukkan lokasi M107.

Lihat juga

Referensi

  1. ^ Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S. 
  2. ^ a b Goldsbury, Ryan; et al. (December 2010), "The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters", The Astronomical Journal, 140 (6): 1830–1837, arXiv:1008.2755 alt=Dapat diakses gratis, Bibcode:2010AJ....140.1830G, doi:10.1088/0004-6256/140/6/1830. 
  3. ^ a b Boyles, J.; et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal, 742 (1): 51, arXiv:1108.4402 alt=Dapat diakses gratis, Bibcode:2011ApJ...742...51B, doi:10.1088/0004-637X/742/1/51. 
  4. ^ a b "NGC 6171". SIMBAD. Centre de données astronomiques de Strasbourg. Diakses tanggal 2006-11-16. 
  5. ^ distance × sin( diameter_angle / 2 )=39.5 ly. radius
  6. ^ a b Forbes, Duncan A.; Bridges, Terry (May 2010), "Accreted versus in situ Milky Way globular clusters", Monthly Notices of the Royal Astronomical Society, 404 (3): 1203–1214, arXiv:1001.4289 alt=Dapat diakses gratis, Bibcode:2010MNRAS.404.1203F, doi:10.1111/j.1365-2966.2010.16373.x. 

Pranala luar

Messier 107 di WikiSky: DSS2, SDSS, GALEX, IRAS, Hidrogen α, X-Ray, Astrophoto, Peta langit, Artikel dan gambar

Wikimedia Commons memiliki media mengenai Messier 107.

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