سحابی نعل اسب (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "سحابی نعل اسب" in Persian language version.

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archive.org

Hanson, M. M.; Howarth, I.D.; Conti, P.S. (1997). "The Young Massive Stellar Objects of M17". The Astrophysical Journal. 489: 698. Bibcode:1997ApJ...489..698H. doi:10.1086/304808.

arxiv.org

Povich, M. S.; Churchwell, E.; Bieging, J.H.; Kang, M.; et al. (2009). "The Extended Environment of M17: A Star Formation History". The Astrophysical Journal. 696 (2): 1278–1306. arXiv:0902.3280. Bibcode:2009ApJ...696.1278P. doi:10.1088/0004-637X/696/2/1278.

books.google.com

Coe, Steven R. (2007). Nebulae and how to observe them. Phoenix, Arizona: Springer Science Media. p. 116. ISBN 1-84628-482-1. Retrieved December 1, 2010.

doi.org

Povich, M. S.; Churchwell, E.; Bieging, J.H.; Kang, M.; et al. (2009). "The Extended Environment of M17: A Star Formation History". The Astrophysical Journal. 696 (2): 1278–1306. arXiv:0902.3280. Bibcode:2009ApJ...696.1278P. doi:10.1088/0004-637X/696/2/1278.
Hanson, M. M.; Howarth, I.D.; Conti, P.S. (1997). "The Young Massive Stellar Objects of M17". The Astrophysical Journal. 489: 698. Bibcode:1997ApJ...489..698H. doi:10.1086/304808.

harvard.edu

ui.adsabs.harvard.edu

Povich, M. S.; Churchwell, E.; Bieging, J.H.; Kang, M.; et al. (2009). "The Extended Environment of M17: A Star Formation History". The Astrophysical Journal. 696 (2): 1278–1306. arXiv:0902.3280. Bibcode:2009ApJ...696.1278P. doi:10.1088/0004-637X/696/2/1278.
Hanson, M. M.; Howarth, I.D.; Conti, P.S. (1997). "The Young Massive Stellar Objects of M17". The Astrophysical Journal. 489: 698. Bibcode:1997ApJ...489..698H. doi:10.1086/304808.

seds.org

messier.seds.org

"Messier 17". SEDS. 2007-08-13. Retrieved 2011-03-09.

u-strasbg.fr

simbad.u-strasbg.fr

"SIMBAD Astronomical Database". Results for NGC 6618. Retrieved 2006-11-16.

wikisource.org

fa.wikisource.org

Holden, Edward S. (January 1876). "The Horseshoe Nebula in Sagittarius" . Popular Science. 8: 269–281.