NGC 2509
NGC 2509
Thực đơn
NGC 2509Liên quan
NGC NGC 4993 NGC 4302 NGC 2392 NGC 404 NGC 6822 NGC 4565 NGC 3393 NGC 5238 NGC 4889Tài liệu tham khảo
WikiPedia: NGC 2509 http://cseligman.com/text/atlas/ngc25.htm#2509 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... //arxiv.org/abs/1805.08726 //arxiv.org/abs/astro-ph/0611705 //doi.org/10.1051%2F0004-6361%2F201833476 //doi.org/10.1051%2F0004-6361:20066350 https://ui.adsabs.harvard.edu/abs/2003BASI...31...... https://ui.adsabs.harvard.edu/abs/2007A&A...464..5... https://ui.adsabs.harvard.edu/abs/2018A&A...618A.....