Ocak Duvarı

Ocak (Fornax) Duvarı
Diğer süper yapılarla karşılaştırıldığında Ocak Duvarı (ing. Fornax Wall, sarı kutuda)
Gözlem verisi (Dönem J2000)
TakımyıldızOcak
Sağ açıklık (α)03sa 00d 00s
Dik açıklık (δ)-35° 00′ 00″
Galaksi sınıfıGökada duvarı
Uzaklık65 milyon ly
Katalog belirtmeleri
Fornax Wall • Southern supercluster

Ocak Duvarı, başlangıçta Güney Süperkümesi olarak adlandırılan ve Yerel Grup'un yakınında bulunan bir gökada süper yapısıdır ("gökada duvarı").[1][2] Balina takımyıldızı'ndan Kılıçbalığı'na kadar yaklaşık 135 milyon ışık yılı boyunca uzanan, merkezinin bulunduğu Ocak, Irmak ve Saat takımyıldızlarını geçen uzun bir gökadalar kolundan oluşur.[1][2]

İlk olarak 1953'te De Vaucouleurs tarafından Güney Süperkümesi (Southern Supercluster) olarak tanımlandı.[3] Fiziksel olarak bağlı olmadığı Başak Süperkümesi'nden daha küçüktür.[2] Heykeltıraş Duvarı'na paralel uzanır[4] ve Turna Duvarı'na "dik" bir konumdadır.[5] Kahraman-Balıklar Süperkümesi ile zayıf bir bağlantısı var gibi görünür.[5]

İki gökada kümesi, 31 gökada grubu ve çok sayıda dağınık gökadadan oluşur.[6] Ocak Duvarı'nda bulunan en önemli yapılar arasında Ocak Kümesi, Irmak kümesi ve Kılıçbalığı Grubu sayılabilir.

Ayrıca bakınız

Kaynakça

  1. ^ a b Mitra, S. (1 Eylül 1988). "A Study of the Southern Supercluster". Bulletin of the American Astronomical Society. Cilt 20. s. 1101. Erişim tarihi: 5 Kasım 2016. 
  2. ^ a b c Mitra, Shyamal (1 Ekim 1989). "The Southern Supercluster". The Astronomical Journal. Cilt 98. ss. 1175-1187. doi:10.1086/115205. Erişim tarihi: 5 Kasım 2016. 
  3. ^ de Vaucouleurs, Gerard (1 Şubat 1953). "Evidence for a local super,galaxy". The Astronomical Journal. Cilt 58. s. 30. doi:10.1086/106805. 7 Ocak 2019 tarihinde kaynağından arşivlendi. Erişim tarihi: 5 Kasım 2016. 
  4. ^ Stephen James O'Meara (2013). Deep-Sky Companions: Southern Gems. Cambridge University Press. ss. 107-8. ISBN 9781107015012. 
  5. ^ a b Fairall, A. P.; Paverd, W. R.; Ashley, R. P. (1 Ocak 1994). "Visualization of Nearby Large-Scale Structures". Cilt 67. Erişim tarihi: 5 Kasım 2016. 
  6. ^ Fouque, P.; Gourgoulhon, E.; Chamaraux, P. (1 Mayıs 1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement Series. Cilt 93. ss. 211-233. 13 Aralık 2019 tarihinde kaynağından arşivlendi. Erişim tarihi: 5 Kasım 2016. 

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