NGC 3945

NGC 3945
NGC 3945
	哈勃空間望遠鏡拍攝的NGC 3945
觀測資料（J2000 曆元）
星座	大熊座
赤經	11h 53m 13.726s
赤緯	+60° 40′ 32.02″
紅移	0.004153
徑向速度	1242 ± 22 km/s
距離	63 Mly（19.4 Mpc）
視星等 (V)	10.75
視星等 (B)	11.70
特徵
類型	(R)SB(rs)0+
其他名稱
	UGC 6860、MCG+10-17-096、PGC 37258
	參見：星系、星系列表

NGC 3945是一個位於大熊座的透鏡狀星系，1790年3月19日由威廉·赫歇爾發現^[5]。NGC 3945結構複雜，有兩個星系棒和一個核球^[3] ，是LINER星系^[3]。NGC 3945中央黑洞質量較小，只有7006900000000000000♠9×10⁶ M_☉^[3]，也可能不存在黑洞^[6]。

參考

^ ^1.0 ^1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-28]. ISSN 0004-6256. doi:10.1086/498708. （原始內容存檔於2022-04-02）.
^ ^2.0 ^2.1 ^2.2 NGC 3945. SIMBAD. 斯特拉斯堡天文資料中心. [2021-05-18].
^ ^3.0 ^3.1 ^3.2 ^3.3 ^3.4 Dullo, Bililign T.; Martínez-Lombilla, Cristina; Knapen, Johan H. Complex central structures suggest complex evolutionary paths for barred S0 galaxies. Monthly Notices of the Royal Astronomical Society. 2016, 462 (4): 3800–3811. arXiv:1608.03539 . doi:10.1093/mnras/stw1868.
^ ^4.0 ^4.1 Search specification: NGC 3945. HyperLeda. Université Claude Bernard Lyon 1. [2021-05-18]. （原始內容存檔於2021-05-18）.
^ Seligman, Courtney. New General Catalogue objects: NGC 3900 - 3949. cseligman.com. [2021-05-18]. （原始內容存檔於2018-11-26）.
^ Gültekin, Kayhan; Richstone, Douglas O.; Gebhardt, Karl; Lauer, Tod R.; Pinkney, Jason; Aller, M. C.; Bender, Ralf; Dressler, Alan; Faber, S. M.; Filippenko, Alexei V.; Green, Richard; Ho, Luis C.; Kormendy, John; Siopis, Christos. A Quintet of Black Hole Mass Determinations. The Astrophysical Journal. 2009, 695 (2): 1577–1590. Bibcode:2009ApJ...695.1577G. S2CID 14365610. arXiv:0901.4162 . doi:10.1088/0004-637X/695/2/1577.

外部連結

維基共享資源上的相關多媒體資源：NGC 3945

這是一篇透鏡狀星系小作品。您可以透過編輯或修訂擴充其內容。

[2MASS-1] 1.0 ^1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-28]. ISSN 0004-6256. doi:10.1086/498708. （原始內容存檔於2022-04-02）.

[SIMBAD-2] 2.0 ^2.1 ^2.2 NGC 3945. SIMBAD. 斯特拉斯堡天文資料中心. [2021-05-18].

[Dullo-3] 3.0 ^3.1 ^3.2 ^3.3 ^3.4 Dullo, Bililign T.; Martínez-Lombilla, Cristina; Knapen, Johan H. Complex central structures suggest complex evolutionary paths for barred S0 galaxies. Monthly Notices of the Royal Astronomical Society. 2016, 462 (4): 3800–3811. arXiv:1608.03539 . doi:10.1093/mnras/stw1868.

[LEDA-4] 4.0 ^4.1 Search specification: NGC 3945. HyperLeda. Université Claude Bernard Lyon 1. [2021-05-18]. （原始內容存檔於2021-05-18）.

[cseligman-5] Seligman, Courtney. New General Catalogue objects: NGC 3900 - 3949. cseligman.com. [2021-05-18]. （原始內容存檔於2018-11-26）.

[Gultekin-6] Gültekin, Kayhan; Richstone, Douglas O.; Gebhardt, Karl; Lauer, Tod R.; Pinkney, Jason; Aller, M. C.; Bender, Ralf; Dressler, Alan; Faber, S. M.; Filippenko, Alexei V.; Green, Richard; Ho, Luis C.; Kormendy, John; Siopis, Christos. A Quintet of Black Hole Mass Determinations. The Astrophysical Journal. 2009, 695 (2): 1577–1590. Bibcode:2009ApJ...695.1577G. S2CID 14365610. arXiv:0901.4162 . doi:10.1088/0004-637X/695/2/1577.

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