NGC 4889 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4889" in English language version.

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arxiv.org

McConnell, Nicholas J. (2011-12-08). "Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies". Nature. 480 (7376): 215–218. arXiv:1112.1078. Bibcode:2011Natur.480..215M. doi:10.1038/nature10636. PMID 22158244. S2CID 4408896.

astrophoto.net

Jacobsen, Den (2006). "Abell 1656, NGC 4889, NGC 4874". astrophoto.net. Archived from the original on 2008-11-18. Retrieved 2008-08-09.

caltech.edu

ned.ipac.caltech.edu

"NASA/IPAC Extragalactic Database". Results for NGC 4889. Retrieved 2015-01-04.

doi.org

McConnell, Nicholas J. (2011-12-08). "Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies". Nature. 480 (7376): 215–218. arXiv:1112.1078. Bibcode:2011Natur.480..215M. doi:10.1038/nature10636. PMID 22158244. S2CID 4408896.

foxnews.com

"Astronomers find supermassive black hole in giant galaxy 300 million light years away | Fox News". Fox News. 2016-02-18. Retrieved 2016-02-20.

harvard.edu

ui.adsabs.harvard.edu

McConnell, Nicholas J. (2011-12-08). "Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies". Nature. 480 (7376): 215–218. arXiv:1112.1078. Bibcode:2011Natur.480..215M. doi:10.1038/nature10636. PMID 22158244. S2CID 4408896.

nih.gov

pubmed.ncbi.nlm.nih.gov

McConnell, Nicholas J. (2011-12-08). "Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies". Nature. 480 (7376): 215–218. arXiv:1112.1078. Bibcode:2011Natur.480..215M. doi:10.1038/nature10636. PMID 22158244. S2CID 4408896.

seds.org

spider.seds.org

"Revised NGC Data for NGC 4889". spider.seds.org. Retrieved 2015-10-13.

semanticscholar.org

api.semanticscholar.org

McConnell, Nicholas J. (2011-12-08). "Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies". Nature. 480 (7376): 215–218. arXiv:1112.1078. Bibcode:2011Natur.480..215M. doi:10.1038/nature10636. PMID 22158244. S2CID 4408896.

spacetelescope.org

"The sleeping giant". Retrieved 16 February 2016.

web.archive.org

Jacobsen, Den (2006). "Abell 1656, NGC 4889, NGC 4874". astrophoto.net. Archived from the original on 2008-11-18. Retrieved 2008-08-09.