View source for SN 2006X

{{Short description|Supernova on February 4, 2006}}
{{Supernova
| name = SN 2006X
| image = [[Image:SN2006X.jpg|350px|]]
|caption= M100 before and after the supernova explosion
| epoch = [[B1950.0]]
| type = Ia
| SNRtype = 
| host = [[Messier 100|M100]]
| constellation = [[Coma Berenices]]
| ra = 12<sup>h</sup> 22<sup>m</sup> 53.92<sup>s</sup>
| dec = +15° 48{{prime}} 31.2{{pprime}}
| gal = 
| discovery = February 4, 2006
| iauc =
| mag_v  = +13<ref name=IAUC8667/>
| distance=65&nbsp;[[mly]]<ref name=apj655_2/>
| progenitor = 
| progenitor_type = 
| b-v = 
| notes = 
}}

'''SN 2006X''' was a [[type Ia supernova|Type Ia]] [[supernova]] about [[1 E22 m|65 million]] [[light-year]]s away<ref name=apj655_2/> in [[Messier 100]], a [[spiral galaxy]] in the [[constellation]]  [[Coma Berenices]].  The supernova was independently discovered in early February 2006 by [[Shoji Suzuki (astronomer)|Shoji Suzuki]] of [[Japan]] and [[Marco Migliardi]] of [[Italy]].

[[Image:Evolution of SN 2006X Spectrum.jpg|thumb|left|Evolution of the [[Sodium]] line in the spectrum of SN 2006X as a function of time.]]

SN 2006X is particularly significant because it is a Type Ia supernova.  These supernovae are used for measuring distances, so observations of these supernovae in nearby galaxies are needed for calibration. SN 2006X is located in a well-studied galaxy, and it was discovered two weeks before its peak brightness, so it may be extraordinarily useful for understanding supernovae and for calibrating supernovae for distance measurements.  It may even be possible to identify the progenitor of this supernova.{{cn|date=April 2019}}
{{clear left}}

==References==
{{reflist|refs=

<ref name=apj655_2>{{cite journal | title=Groups of Galaxies in the Two Micron All Sky Redshift Survey |author1=Crook, Aidan C. |author2=Huchra, John P. |author3=Martimbeau, Nathalie |author4=Masters, Karen L. |author5=Jarrett, Tom |author6=Macri, Lucas M. | journal=The Astrophysical Journal | volume=655 | issue=2 | pages=79–813 |date=February 2007 | doi=10.1086/510201 | bibcode=2007ApJ...655..790C |arxiv = astro-ph/0610732 |s2cid=11672751 }}</ref>

<ref name=IAUC8667>{{cite web|last1=Suzuki|first1=Shoji|title=in: SUPERNOVAE 2006U, 2006V, 2006W, 2006X|url=http://www.cbat.eps.harvard.edu/iauc/08600/08667.html|website=Central Bureau for Astronomical Telegrams|publisher=Harvard University|accessdate=2 May 2015}}</ref>
}}

==External links==
* [https://sne.space/sne/SN2006X/ Light curves and spectra] {{Webarchive|url=https://web.archive.org/web/20171023063051/https://sne.space/sne/SN2006X/ |date=2017-10-23 }} on the [https://sne.space Open Supernova Catalog] {{Webarchive|url=https://web.archive.org/web/20160303230459/https://sne.space/ |date=2016-03-03 }}
* [http://www.rochesterastronomy.org/sn2006/sn2006x.html Supernova 2006X in M100]
* [http://www.astrosurf.com/snweb2/2006/06X_/06X_Meas.htm Brightness measures for SN 2006X]
* [http://heasarc.gsfc.nasa.gov/docs/swift/results/releases/images/SN2006X/ NASA page with images of SN 2006X]
* [https://web.archive.org/web/20060223113858/http://www.supernovae.net/sn2006/sn2006x.html Large collection of SN 2006X images]


{{Coma Berenices|state=collapsed}}

{{DEFAULTSORT:Sn 2006x}}
[[Category:Messier 100]]
[[Category:Supernovae]]
[[Category:Coma Berenices]]
[[Category:Astronomical objects discovered in 2006|20060204]]


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