| 词条 | NGC 3377 |
| 释义 |
| name = NGC 3377 | image = NGC 3377 Hubble WikiSky.jpg | image_size = 250px | caption = Hubble Space Telescope image of NGC 3377 | ra = {{RA|10|47|42.4}} | dec = {{DEC|+13|59|08}} | epoch = J2000 | type = E5[1] | constellation_name = Leo | z = 0.002218 ± 0.000008 [1] | dist_ly = 11.2[3] Mpc | appmag_v = 10.2[2] | size_v = 5′.2 × 3′.0[3] | names = UGC 5899, PGC 32249[1] }}NGC 3377 is an elliptical galaxy in the constellation Leo. It is a member of the M96 Group and is about 26 Mly away, with a diameter of approximately 40 000 ly.[3] The supermassive black hole at the core of NGC 3377 has a mass of {{Val|8.0e7|0.5|0.6|ul=solar mass}}.[4] A very faint companion galaxy, NGC 3377A is 7.1' NW.[3] References1. ^1 2 {{cite web|url=http://ned.ipac.caltech.edu|title=NASA/IPAC Extragalactic Database|work=Results for NGC 3377|accessdate=2013-07-23}} 2. ^{{cite web|last1=Frommert|first1=Hartmut|title=NGC 3377|url=http://spider.seds.org/ngc/ngc.cgi?3377|website=SEDS|accessdate=6 July 2015|archiveurl=https://www.webcitation.org/6Zo9tijqt|archivedate=6 July 2015}} 3. ^1 2 {{cite book|last1=Bratton|first1=Mark|title=The complete guide to the Herschel objects : Sir William Herschel's star clusters, nebulae, and galaxies|date=2011|publisher=Cambridge University Press|isbn=978-0-521-76892-4|page=293}} 4. ^1 {{citation | title=Populating the Galaxy Velocity Dispersion - Supermassive Black Hole Mass Diagram: A Catalogue of (Mbh, σ) Values | last1=Graham | first1=Alister W. | postscript=. | journal=Publications of the Astronomical Society of Australia | volume=25 | issue=4 | pages=167–175 | date=November 2008 | doi=10.1071/AS08013 | bibcode=2008PASA...25..167G |arxiv = 0807.2549 }} External links
7 : NGC objects|UGC objects|Principal Galaxies Catalogue objects|M96 Group|Elliptical galaxies|Leo (constellation)|Astronomical objects discovered in 1784 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。