NGC 1999 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1999" in English language version.

Last modified: 02:24:12, 23 August 2026 (UTC)

Ref.Un. Ref.Website

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43doi.org

2^nd place

22adsabs.harvard.edu

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11nasa.gov

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73^rd place

11spacetelescope.org

1,118^th place

7,871^st place

11nbcnews.com

156^th place

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11arxiv.org

49^th place

31^st place

11semanticscholar.org

15^th place

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11hubblesite.org

6,472^nd place

9,001^st place

11worldcat.org

4^th place

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Stanke, T; Stutz, A. M; Tobin, J. J; Ali, B; Megeath, S. T; Krause, O; Linz, H; Allen, L; Bergin, E; Calvet, N; Di Francesco, J; Fischer, W. J; Furlan, E; Hartmann, L; Henning, T; Manoj, P; Maret, S; Muzerolle, J; Myers, P. C; Neufeld, D; Osorio, M; Pontoppidan, K; Poteet, C. A; Watson, D. M; Wilson, T (2010). "Hier ist wahrhaftig ein Loch im Himmel". Astronomy and Astrophysics. 518: L94. arXiv:1005.2202. Bibcode:2010A&A...518L..94S. doi:10.1051/0004-6361/201014612. S2CID 118725991.
Bally, John; Heathcote, Steve; Reipurth, Bo; Morse, Jon; Hartigan, Patrick; Schwartz, Richard (May 2002). "Hubble Space Telescope Observations of Proper Motions in Herbig-Haro Objects 1 and 2". The Astronomical Journal. 123 (5): 2627–2657. Bibcode:2002AJ....123.2627B. doi:10.1086/339837. ISSN 0004-6256.

arxiv.org (Global: 49^th place; English: 31^st place)

Stanke, T; Stutz, A. M; Tobin, J. J; Ali, B; Megeath, S. T; Krause, O; Linz, H; Allen, L; Bergin, E; Calvet, N; Di Francesco, J; Fischer, W. J; Furlan, E; Hartmann, L; Henning, T; Manoj, P; Maret, S; Muzerolle, J; Myers, P. C; Neufeld, D; Osorio, M; Pontoppidan, K; Poteet, C. A; Watson, D. M; Wilson, T (2010). "Hier ist wahrhaftig ein Loch im Himmel". Astronomy and Astrophysics. 518: L94. arXiv:1005.2202. Bibcode:2010A&A...518L..94S. doi:10.1051/0004-6361/201014612. S2CID 118725991.

doi.org (Global: 2^nd place; English: 2^nd place)

Finlay, Warren H. (2014). Concise Catalogue of Deep-Sky Objects. The Patrick Moore Practical Astronomy Series (2nd ed.). Springer Cham. p. 188. doi:10.1007/978-3-319-03170-5. ISBN 978-3-319-03169-9.
Stanke, T; Stutz, A. M; Tobin, J. J; Ali, B; Megeath, S. T; Krause, O; Linz, H; Allen, L; Bergin, E; Calvet, N; Di Francesco, J; Fischer, W. J; Furlan, E; Hartmann, L; Henning, T; Manoj, P; Maret, S; Muzerolle, J; Myers, P. C; Neufeld, D; Osorio, M; Pontoppidan, K; Poteet, C. A; Watson, D. M; Wilson, T (2010). "Hier ist wahrhaftig ein Loch im Himmel". Astronomy and Astrophysics. 518: L94. arXiv:1005.2202. Bibcode:2010A&A...518L..94S. doi:10.1051/0004-6361/201014612. S2CID 118725991.
Bally, John; Heathcote, Steve; Reipurth, Bo; Morse, Jon; Hartigan, Patrick; Schwartz, Richard (May 2002). "Hubble Space Telescope Observations of Proper Motions in Herbig-Haro Objects 1 and 2". The Astronomical Journal. 123 (5): 2627–2657. Bibcode:2002AJ....123.2627B. doi:10.1086/339837. ISSN 0004-6256.

hubblesite.org (Global: 6,472^nd place; English: 9,001^st place)

"Fast Facts: Hubble Takes a Close-up View of a Reflection Nebula in Orion". Retrieved 2008-03-15.

nasa.gov (Global: 12^th place; English: 73^rd place)

science.nasa.gov

"Hubble Peers at Mysterious Cosmic 'Keyhole' - NASA Science". science.nasa.gov. Retrieved 2023-12-20.

nbcnews.com (Global: 156^th place; English: 101^st place)

"Telescope discovers surprising hole in space". NBC News by Space.com. 2010-05-11. Retrieved 2018-03-07.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Stanke, T; Stutz, A. M; Tobin, J. J; Ali, B; Megeath, S. T; Krause, O; Linz, H; Allen, L; Bergin, E; Calvet, N; Di Francesco, J; Fischer, W. J; Furlan, E; Hartmann, L; Henning, T; Manoj, P; Maret, S; Muzerolle, J; Myers, P. C; Neufeld, D; Osorio, M; Pontoppidan, K; Poteet, C. A; Watson, D. M; Wilson, T (2010). "Hier ist wahrhaftig ein Loch im Himmel". Astronomy and Astrophysics. 518: L94. arXiv:1005.2202. Bibcode:2010A&A...518L..94S. doi:10.1051/0004-6361/201014612. S2CID 118725991.

spacetelescope.org (Global: 1,118^th place; English: 7,871^st place)

information@eso.org. "Cosmic Keyhole". www.spacetelescope.org. Retrieved 2023-12-20.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Bally, John; Heathcote, Steve; Reipurth, Bo; Morse, Jon; Hartigan, Patrick; Schwartz, Richard (May 2002). "Hubble Space Telescope Observations of Proper Motions in Herbig-Haro Objects 1 and 2". The Astronomical Journal. 123 (5): 2627–2657. Bibcode:2002AJ....123.2627B. doi:10.1086/339837. ISSN 0004-6256.

NGC 1999 (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

arxiv.org (Global: 49th place; English: 31st place)

doi.org (Global: 2nd place; English: 2nd place)

hubblesite.org (Global: 6,472nd place; English: 9,001st place)

nasa.gov (Global: 12th place; English: 73rd place)