天鵝圈 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "天鵝圈" in Chinese language version.

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12web.archive.org

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6ngcicproject.org

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5harvard.edu

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2doi.org

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1iop.org

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aas.org

Blair WP, Sankrit R, Torres SI, Chayer P, Danforth CW, Raymond JC. FUSE Observations of a Star Behind the Cygnus Loop. Bull Amer Astron Soc. Jun 2004, 36 (2) [2019-11-29]. （原始内容存档于2012-02-25）.

archive.today

William Blair. Piercing the Veil. FUSE Science Summaries. [2010-12-03]. （原始内容存档于2012-12-11）.

astronomy.com

cs.astronomy.com

See, for example, this photo （页面存档备份，存于互联网档案馆） posted by Astronomy Magazine (accessed 2010-12-01).

doi.org

Sastry CV, Dwarakanath KS, Shevgaonkar RK. The structure of the Cygnus loop at 34.5 MHz. J Astrophys Astron. Sep 1981, 2 (3): 339–47. doi:10.1007/BF02714557. ^{[永久失效連結]}
Fesen RA, Blair WP, Kirshner RP. Spectrophotometry of the Cygnus Loop. Ap J. Nov 1982, 262 (12): 171–88. doi:10.1086/160408.

harvard.edu

adsabs.harvard.edu

Greidanus H, Strom RG. Optical kinematics in the Cygnus Loop. II - Interpretation. Astron Astrophys. 1992, 257 (1): 265–77.
Graham JR, Levenson NA, Hester JJ, Raymond JC, Petre R. An X-ray and optical study of the interaction of the Cygnus Loop supernova remnant with an interstellar cloud. Ap J. May 1995, 444 (5): 787–95 [2011-02-19]. （原始内容存档于2019-04-03）.
Rasmussen A, Martin C. Cygnus Loop: The First Observed Galactic OVI Emission Line Source. Bull Amer Astronl Soc. Sep 1990, 22 (9): 1272.
Fesen RA, Blair WP, Kirshner RP. Spectrophotometry of the Cygnus Loop. Ap J. Nov 1982, 262 (12): 171–88. doi:10.1086/160408.
Rappaport S, Doxsey R, Solinger A, Borken R. X-ray structure of the Cygnus loop. Ap J. Dec 1974, 194 (12): 329–35.

iop.org

eaa.iop.org

Murdin P. Cygnus Loop. Murdin P (编). Encyclopedia of Astronomy and Astrophysics. Bristol: Institute of Physics. 2001. Article 5297 [2011-02-19]. （原始内容存档于2012-03-09）.

jhu.edu

fuse.pha.jhu.edu

William Blair. Piercing the Veil. FUSE Science Summaries. [2010-12-03]. （原始内容存档于2012-12-11）.

ngcicproject.org

NGC/IC Project. Results for NGC 6960. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6992. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6995. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for IC 1340. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6979. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6974. [2010-12-01]. （原始内容存档于2009-05-28）.

seds.org

spider.seds.org

SEDS Online NGC Catalog. Results for Veil Nebula. [2010-12-01]. （原始内容存档于2017-12-25）.

skyandtelescope.com

Astro News Briefs: June 14–20 [2004]. Sky & Telescope. [2010-12-03]. （原始内容存档于2012-04-06）.

springerlink.com

Sastry CV, Dwarakanath KS, Shevgaonkar RK. The structure of the Cygnus loop at 34.5 MHz. J Astrophys Astron. Sep 1981, 2 (3): 339–47. doi:10.1007/BF02714557. ^{[永久失效連結]}

web.archive.org

Murdin P. Cygnus Loop. Murdin P (编). Encyclopedia of Astronomy and Astrophysics. Bristol: Institute of Physics. 2001. Article 5297 [2011-02-19]. （原始内容存档于2012-03-09）.
SEDS Online NGC Catalog. Results for Veil Nebula. [2010-12-01]. （原始内容存档于2017-12-25）.
NGC/IC Project. Results for NGC 6960. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6992. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6995. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for IC 1340. [2010-12-01]. （原始内容存档于2009-05-28）.
NGC/IC Project. Results for NGC 6979. [2010-12-01]. （原始内容存档于2009-05-28）.
See, for example, this photo （页面存档备份，存于互联网档案馆） posted by Astronomy Magazine (accessed 2010-12-01).
NGC/IC Project. Results for NGC 6974. [2010-12-01]. （原始内容存档于2009-05-28）.
Graham JR, Levenson NA, Hester JJ, Raymond JC, Petre R. An X-ray and optical study of the interaction of the Cygnus Loop supernova remnant with an interstellar cloud. Ap J. May 1995, 444 (5): 787–95 [2011-02-19]. （原始内容存档于2019-04-03）.
Astro News Briefs: June 14–20 [2004]. Sky & Telescope. [2010-12-03]. （原始内容存档于2012-04-06）.
Blair WP, Sankrit R, Torres SI, Chayer P, Danforth CW, Raymond JC. FUSE Observations of a Star Behind the Cygnus Loop. Bull Amer Astron Soc. Jun 2004, 36 (2) [2019-11-29]. （原始内容存档于2012-02-25）.