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Messier 2

Dimensi ketara (V)	16.0′
Kelas	II[1]
Sudut istiwa	–00° 49′ 23.7″[2]
Kelogaman	[ Fe / H ] {\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}  = –1.65[5] dex
Jarak	55,000 ly (17 kpc)[3]
Magnitud ketara (V)	6.5[4]
Buruj	Aquarius
Jarak hamal	21j 33m 27.02s[2]
Jisim	7005104000000000000♠1.04×105[5] M☉
Usia anggaran	12.5 Gthn[7]
Nama lain	NGC 7089[8]
Jejari	87.3 tc[6]

Menu

Messier 2 Rujukan Penemuan dan kenampakan Lokasi di Alam Semesta Pautan luar Ciri-ciri Lihat juga Pengelasan Oosterhoff

Berkaitan

Messier 110 Messier 2 Messier 3 Messier 87 Messier 67 Messier 53 Messier 54 Messier 50 Messier 21 Messier 70

Rujukan

WikiPedia: Messier 2 https://ui.adsabs.harvard.edu/abs/1927BHarO.849...... https://arxiv.org/abs/1008.2755 https://ui.adsabs.harvard.edu/abs/2010AJ....140.18... https://doi.org/10.1088%2F0004-6256%2F140%2F6%2F18... https://api.semanticscholar.org/CorpusID:119183070 https://arxiv.org/abs/1804.09381 https://ui.adsabs.harvard.edu/abs/2018A&A...616A..... https://doi.org/10.1051%2F0004-6361%2F201832698 https://messier.seds.org/m/m002.html https://arxiv.org/abs/1108.4402