Pusek Galaksi
Pusat Galaksi adolah titiak rotasi dari sabuah galaksi, contohnyo iyolah galaksi Bima Sakti, nan talatak sakitar 8.33±0.35 kiloparsek (~27.000±1000 taun cahayo) dari Bumi[1][2][3][4][5] pado arah rasi Sagitarius, Ophiuchus jo Scorpius di mano Galaksi Bima Sakti tacaliak labiah rancak. Pado pusek iko didapek Lubang Itam supermasif banamo Sagittarius A*
- ↑ Reid, Mark J. (1993). "The distance to the center of the Galaxy". Annual review of astronomy and astrophysics. 31 (1): 345–372. Bibcode:1993ARA&A..31..345R. doi:10.1146/annurev.aa.31.090193.002021.
- ↑ 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 (2): L121–L124. arXiv:astro-ph/0306220 . Bibcode:2003ApJ...597L.121E. doi:10.1086/380188.
- ↑ 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 (2): 120–123. Bibcode:2004AN....325...88H. doi:10.1002/asna.200310181. Diarsipkan dari versi asli (PDF) tanggal 2007-06-21. Diakses tanggal 2007-05-10.
- ↑ Majaess D. J., Turner D. G., Lane D. J. (2009). Characteristics of the Galaxy according to Cepheids, MNRAS
- ↑ Gillessen, S. (2009). "Monitoring Stellar Orbits Around the Massive Black Hole in the Galactic Center". The Astrophysical Journal. 692 (2): 1075–1109. arXiv:0810.4674 . Bibcode:2009ApJ...692.1075G. doi:10.1088/0004-637X/692/2/1075.