Editing Cygnus X-1 (section)

==External links==
{{Commons category|Cygnus X-1}}
*{{cite web
 | date=June 10, 2005 | url=http://sci.esa.int/integral/32709-artist-s-impression-of-cygnus-x-1/
 | title=Artist's impression of Cygnus&nbsp;X-1
 | publisher=ESA | access-date=2008-03-24 }}
*{{cite web
 | date=April 1, 1996
 | url=http://www.oa.uj.edu.pl/research/cygx1.html
 | title=Cygnus&nbsp;X-1, the black hole
 | publisher=Astronomical Observatory of the Jagiellonian University
 | access-date=2008-03-24 }}
*{{Cite web |last1=Cyrmon |first1=W. |last2=Aigner |first2=C. |last3=Bruckmueller |first3=E. |last4=Kernegger |first4=R. |display-authors=1 |date=December 18, 2002 |title=Black Hole in Cygnus |url=http://www.eso.org/public/outreach/eduoff/cas/cas2002/cas-projects/austria_cygnus_1/ |url-status=dead |archive-url=https://web.archive.org/web/20150915105044/http://www.eso.org/public/outreach/eduoff/cas/cas2002/cas-projects/austria_cygnus_1/ |archive-date=2015-09-15 |access-date=2008-03-29 |publisher=ESA}}
*{{Cite APOD
 | title=Possible Jet Blown Shells Near Microquasar Cygnus&nbsp;X-1 | date=June 8, 2009
 | access-date=2009-06-08 }}
*{{WikiSky|z=8}}
*[http://www.constellation-guide.com/cygnus-x-1/ Cygnus X-1 at Constellation Guide]
* [https://arxiv.org/abs/1506.00007 NuSTAR and Suzaku observations of the hard state in Cygnus X-1: locating the inner accretion disk] Michael Parker, 29 May 2015
* [http://www.nustar.caltech.edu/image/nustar120628a NuSTAR's First View of High-Energy X-ray Universe] NASA/JPL-Caltech June 28, 2012

{{s-start}}
{{s-ach|rec}}
{{s-bef|before=''None'' <br /> <small> Cyg X-1 is the first black hole discovered </small>}}
{{s-ttl|title=[[List of nearest black holes|Least distant black hole]]|years=1972&mdash;1986}}
{{s-aft|after=[[V616 Monocerotis]]}}
{{s-end}}

{{Stars of Cygnus}}
{{Portal bar|Astronomy|Stars|Outer space}}

[[Category:Hipparcos objects|098298]]
[[Category:O-type supergiants]]
[[Category:Cygnus (constellation)]]
[[Category:Henry Draper Catalogue objects|226868]]
[[Category:Stellar black holes]]
[[Category:X-ray binaries]]
[[Category:Objects with variable star designations|Cygni, V1357]]
[[Category:Durchmusterung objects]]
[[Category:Rotating ellipsoidal variables]]