Ammas n umazellaw d ammas n tuzzya n umazellaw n uɣaras n walim ɣef yiman-is, yaggug s wazal n 27,000±1,000 yifawatayen ɣef tegnit[1][2][3][4][5] deg tnila n tezdemt n uneccab d Ophiuchus d tkureẓma deg wadeg yettfeǧǧijen yakk s waṭas deg umazellaw. Akken i ttɣilen imusnawen d akken yella dinna wemruj aberkan abarar deg wammas n umazellaw.[6]

Ammas n umazellaw akken i d-tt-isseknew umsaddas 2MASS i d-ittaṭṭafen azenzar aderzeggaɣ, ammas n umazellaw yella deg yiɣmer iffawen n ufella (deg tama tazelmaṭ n tugna).

Asentem n tilin n wammas amazallaw d wuggug-is ẓreg

S usrag n tilin n ugedṛuṛ agratraw ɣef teɣzi n uzlem n yiẓṛi, d ayen yettaǧǧan tazrawt d wannay n wammas n umazellaw d ayen imrayen (iweɛṛen) s uzenzar imeẓri neɣ s unegjenjaṛ neɣ s uzenzar n X. Isalan i d-kksen imusnawen seg wannay n uzenzar n gamma d X d tid yeflalen s tfasa yakk d wannay n azenzar aderzeggaɣ ilan teɣzi n tayyugt ɣezzifen

Deg useggas n 1918, Harlow Shapley yukez-d imsidgenn wammas n umazellaw i tikkelt tamezwarut ass mi yella izerrew asedger n iguza itrawen, dɣa yukez-iten-d akka: Aluy aɣɣad 17h45m40.04s, mil -29° 00' 28.1".

Amruj aberkan abarar ẓreg

Tineẓẓi tatrawt ẓreg

Ẓeṛ daɣen ẓreg

Imniren ẓreg

  1. Reid, Mark J. (1993). "The distance to the center of the Galaxy". Annual review of astronomy and astrophysics. 31: 345–372. doi:10.1146/annurev.aa.31.090193.002021. Retrieved 2007-05-10. Unknown parameter |azemz n ufaylu= ignored (help); Unknown parameter |akla n ufaylu= ignored (help)
  2. Eisenhauer, F.; Schödel, R.; Genzel, R.; Ott, T.; Tecza, M.; Abuter, R.; Eckart, A.; Alexander, T. (2003). "A Geometric Determination of the Distance to the Galactic Center". The Astrophysical Journal. 597: L121–L124. doi:10.1086/380188. Retrieved 2007-05-10. Unknown parameter |azemz n ufaylu= ignored (help); Unknown parameter |akala n ufaylu= ignored (help)CS1 maint: multiple names: authors list (link)
  3. Horrobin, M.; Eisenhauer, F.; Tecza, M.; Thatte, N.; Genzel, R.; Abuter, R.; Iserlohe, C.; Schreiber, J.; Schegerer, A.; Lutz, D.; Ott, T.; Schödel, R. (2004). "First results from SPIFFI. I: The Galactic Center" (PDF). Astronomische Nachrichten. 325: 120–123. doi:10.1002/asna.200310181. Archived from the original (PDF) on 2007-06-21. Retrieved 2007-05-10. Unknown parameter |azemz n ufaylu= ignored (help); Unknown parameter |akala n ufaylu= ignored (help)CS1 maint: multiple names: authors list (link)
  4. Majaess D. J., Turner D. G., Lane D. J. (2009). Characteristics of the Galaxy according to Cepheids, MNRAS Archived 2016-02-08 at the Wayback Machine
  5. Gillessen, S. (2009). "Monitoring Stellar Orbits Around the Massive Black Hole in the Galactic Center". The Astrophysical Journal. 692 (2): 1075–1109. doi:10.1088/0004-637X/692/2/1075. Talɣa:Arxiv. Unknown parameter |coauthors= ignored (|author= suggested) (help); |access-date= requires |url= (help)
  6. Schödel, R. (2002). "A star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way". Nature. 419 (6908): 694–696. doi:10.1038/nature01121. PMID 12384690. Unknown parameter |coauthors= ignored (|author= suggested) (help); Cite has empty unknown parameter: |month= (help)