سديم الحلقة (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "سديم الحلقة" in Arabic language version.

refsWebsite

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3harvard.edu

18^th place

33^rd place

3wikidata.org

43^rd place

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2seds.org

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2web.archive.org

1^st place

1esa.int

1,482^nd place

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1arxiv.org

69^th place

207^th place

1doi.org

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5^th place

1worldcat.org

5^th place

4^th place

1u-strasbg.fr

1,342^nd place

1,392^nd place

1books.google.com

3^rd place

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arxiv.org

Orsola De Marco; D. J. Frew (15 Nov 2012). "The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (3): 2118–2140. arXiv:1210.2841. Bibcode:2013MNRAS.428.2118D. DOI:10.1093/MNRAS/STS180. ISSN:0035-8711. QID:Q60739175.

books.google.com

Crossen، Craig؛ Rhemann، Gerald (2004). Sky vistas: astronomy for binoculars and richest-field telescopes. Springer. ISBN:3-211-00851-9. مؤرشف من الأصل في 2019-12-08{{استشهاد بكتاب}}: صيانة الاستشهاد: postscript (link)

doi.org

Orsola De Marco; D. J. Frew (15 Nov 2012). "The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (3): 2118–2140. arXiv:1210.2841. Bibcode:2013MNRAS.428.2118D. DOI:10.1093/MNRAS/STS180. ISSN:0035-8711. QID:Q60739175.

esa.int

cosmos.esa.int

Data Processing and Analysis Consortium; European Space Agency, eds. (25 Apr 2018), Gaia Data Release 2 (بالإنجليزية), Bibcode:2018yCat.1345....0G, QID:Q51905050

harvard.edu

ui.adsabs.harvard.edu

Data Processing and Analysis Consortium; European Space Agency, eds. (25 Apr 2018), Gaia Data Release 2 (بالإنجليزية), Bibcode:2018yCat.1345....0G, QID:Q51905050
Orsola De Marco; D. J. Frew (15 Nov 2012). "The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (3): 2118–2140. arXiv:1210.2841. Bibcode:2013MNRAS.428.2118D. DOI:10.1093/MNRAS/STS180. ISSN:0035-8711. QID:Q60739175.
O'dell، C. R.؛ Balick، B.؛ Hajian، A. R.؛ Henney، W. J.؛ Burkert، A. (2003). "Knots in Planetary Nebulae". Revista Mexicana de Astronomía y Astrofísica, Serie de Conferencias. ج. 15: 29–33. Bibcode:2003RMxAC..15...29O.

seds.org

messier.seds.org

"Messier 57" (بالإنجليزية). Retrieved 2018-08-13.
Frommert، Hartmut؛ Kronberg, Christine. "William Huggins (February 7, 1824 – May 12, 1910)". SEDS. مؤرشف من الأصل في 2017-10-02. اطلع عليه بتاريخ 2008-04-11.

u-strasbg.fr

vizier.u-strasbg.fr

VizieR (بالإنجليزية), QID:Q1662358

web.archive.org

Crossen، Craig؛ Rhemann، Gerald (2004). Sky vistas: astronomy for binoculars and richest-field telescopes. Springer. ISBN:3-211-00851-9. مؤرشف من الأصل في 2019-12-08{{استشهاد بكتاب}}: صيانة الاستشهاد: postscript (link)
Frommert، Hartmut؛ Kronberg, Christine. "William Huggins (February 7, 1824 – May 12, 1910)". SEDS. مؤرشف من الأصل في 2017-10-02. اطلع عليه بتاريخ 2008-04-11.

wikidata.org

Data Processing and Analysis Consortium; European Space Agency, eds. (25 Apr 2018), Gaia Data Release 2 (بالإنجليزية), Bibcode:2018yCat.1345....0G, QID:Q51905050
Orsola De Marco; D. J. Frew (15 Nov 2012). "The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (3): 2118–2140. arXiv:1210.2841. Bibcode:2013MNRAS.428.2118D. DOI:10.1093/MNRAS/STS180. ISSN:0035-8711. QID:Q60739175.
VizieR (بالإنجليزية), QID:Q1662358

worldcat.org

Orsola De Marco; D. J. Frew (15 Nov 2012). "The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (3): 2118–2140. arXiv:1210.2841. Bibcode:2013MNRAS.428.2118D. DOI:10.1093/MNRAS/STS180. ISSN:0035-8711. QID:Q60739175.