NGC 6240 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6240" in Chinese language version.

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3web.archive.org

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1spacetelescope.org

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archive.org

Fried, J. W.; Schulz, H. NGC 6240 – A unique interacting galaxy. Astronomy and Astrophysics. 1983, 118: 166–170. Bibcode:1983A&A...118..166F.

caltech.edu

nedipac.caltech.edu

NASA/IPAC Extragalactic Database. Results for NGC 6240. [2006-08-16]. （原始内容存档于2011-05-14）.

doi.org

S. Komossa, V. Burwitz, G. Hasinger, P.Predehl, J. S. Kaastra, Y. Ikebe. Discovery of a Binary Active Galactic Nucleus in the Ultraluminous Infrared Galaxy NGC 6240 Using Chandra. Astrophysical Journal. 2003, 582: L15–L19 [2010-05-05]. doi:10.1086/346145. （原始内容存档于2014-06-27）.

harvard.edu

ui.adsabs.harvard.edu

Fried, J. W.; Schulz, H. NGC 6240 – A unique interacting galaxy. Astronomy and Astrophysics. 1983, 118: 166–170. Bibcode:1983A&A...118..166F.

adsabs.harvard.edu

S. Komossa, V. Burwitz, G. Hasinger, P.Predehl, J. S. Kaastra, Y. Ikebe. Discovery of a Binary Active Galactic Nucleus in the Ultraluminous Infrared Galaxy NGC 6240 Using Chandra. Astrophysical Journal. 2003, 582: L15–L19 [2010-05-05]. doi:10.1086/346145. （原始内容存档于2014-06-27）.

spacetelescope.org

Hubble revisits tangled NGC 6240. [12 June 2015]. （原始内容存档于2020-10-21）.

web.archive.org

Hubble revisits tangled NGC 6240. [12 June 2015]. （原始内容存档于2020-10-21）.
NASA/IPAC Extragalactic Database. Results for NGC 6240. [2006-08-16]. （原始内容存档于2011-05-14）.
S. Komossa, V. Burwitz, G. Hasinger, P.Predehl, J. S. Kaastra, Y. Ikebe. Discovery of a Binary Active Galactic Nucleus in the Ultraluminous Infrared Galaxy NGC 6240 Using Chandra. Astrophysical Journal. 2003, 582: L15–L19 [2010-05-05]. doi:10.1086/346145. （原始内容存档于2014-06-27）.