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| ] || 0.9 || 1.3 || 3.941534 || 0.0488 || 0 || 87.7 || 2006 | ] || 0.9 || 1.3 || 3.941534 || 0.0488 || 0 || 87.7 || 2006
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| ] || ] || {{RA|07|48|07}} || {{DEC|+50|13|33}} || 11.25 || 486 || K0V | ]<ref name="Burke2007"/> || ] || {{RA|07|48|07}} || {{DEC|+50|13|33}} || 11.25 || 486 || K0V
| ] || 0.57 || 0.973 || 2.615838 || 0.0369 || 0 || 88.58 || 2007 | ] || 0.57 || 0.973 || 2.615838 || 0.0369 || 0 || 88.58 || 2007
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== References == == References ==
{{Reflist|colwidth=30em|refs= {{Reflist|colwidth=30em|refs=

<ref name="Burke2007"> {{cite journal | title=XO-2b: Transiting Hot Jupiter in a Metal-rich Common Proper Motion Binary | url=http://iopscience.iop.org/0004-637X/671/2/2115/fulltext/ | last1=Burke | first1=Christopher J. | last2=McCullough | first2=P. R. | last3=Valenti | first3=Jeff A. | last4=Johns‐krull | first4=Christopher M. | last5=Janes | first5=Kenneth A. | last6=Heasley | first6=J. N. | last7=Summers | first7=F. J. | last8=Stys | first8=J. E. | last9=Bissinger | first9=R. | display-authors=1 | journal=The Astrophysical Journal | year=2007 | volume=671 | issue=2 | pages=2115–2128 | arxiv=0705.0003 | bibcode=2007ApJ...671.2115B | doi=10.1086/523087 }}</ref>


<ref name="McCullough2006"> {{cite journal | title=A Transiting Planet of a Sun-like Star | url=http://iopscience.iop.org/0004-637X/648/2/1228/fulltext/ | last1=McCullough | first1=P. R. | last2=Stys | first2=J. E. | last3=Valenti | first3=Jeff A. | last4=Johns‐krull | first4=C. M. | last5=Janes | first5=K. A. | last6=Heasley | first6=J. N. | last7=Bye | first7=B. A. | last8=Dodd | first8=C. | last9=Fleming | first9=S. W. | display-authors=1 | journal=The Astrophysical Journal | year=2006 | volume=648 | issue=2 | pages=1228–1238 | arxiv=astro-ph/0605414 | bibcode=2006ApJ...648.1228M | doi=10.1086/505651 }}</ref> <ref name="McCullough2006"> {{cite journal | title=A Transiting Planet of a Sun-like Star | url=http://iopscience.iop.org/0004-637X/648/2/1228/fulltext/ | last1=McCullough | first1=P. R. | last2=Stys | first2=J. E. | last3=Valenti | first3=Jeff A. | last4=Johns‐krull | first4=C. M. | last5=Janes | first5=K. A. | last6=Heasley | first6=J. N. | last7=Bye | first7=B. A. | last8=Dodd | first8=C. | last9=Fleming | first9=S. W. | display-authors=1 | journal=The Astrophysical Journal | year=2006 | volume=648 | issue=2 | pages=1228–1238 | arxiv=astro-ph/0605414 | bibcode=2006ApJ...648.1228M | doi=10.1086/505651 }}</ref>

Revision as of 19:14, 7 January 2012

The XO Telescope is a telescope located on the 3,054 m summit of Haleakala on Maui, Hawaii, formed by a pair of 200 mm telephoto lenses. It is used by the XO Project to detect extrasolar planets using the transit method. It is similar to the TrES survey telescope. The construction of the one-of-a-kind telescope cost $60,000 for the hardware, and much more than that for the associated software.

Planets discovered

The XO telescope has discovered five objects so far, four are hot Jupiter planets and one, XO-3b, is probably a brown dwarf. All were discovered using the transit method.

Star Constellation Right
ascension 		Declination App.
mag. 		Distance (ly) Spectral
type 		Planet Mass
(MJ) 		Radius
(RJ) 		Orbital
period
(d) 		Semimajor
axis
(AU) 		Orbital
eccentricity 		Inclination
(°) 		Discovery
year
XO-1 Corona Borealis 16 02 12 +28° 10′ 11″ 11.319 600 G1V XO-1b 0.9 1.3 3.941534 0.0488 0 87.7 2006
XO-2 Lynx 07 48 07 +50° 13′ 33″ 11.25 486 K0V XO-2b 0.57 0.973 2.615838 0.0369 0 88.58 2007
XO-3 Camelopardalis 04 21 53 +57° 49′ 01″ 9.91 850 F5V XO-3b 11.79 1.217 3.1915239 0.0454 0.26 84.2 2007
XO-4 Lynx 07 21 33.1657 +58° 16′ 05.005″ 10.78 956 F5V XO-4b 1.72 1.34 4.12502 0.0555 0.0024 88.7 2008
XO-5 Lynx 07 46 51.959 +39° 05′ 40.47″ 12.1 881 G8V XO-5b 1.15 1.15 4.187732 0.0508 0.0029 86.8 2008

See also

A subset of XO light curves are available at the NASA Star and Exoplanet Database.

Other Ground Transit Surveys

References

  1. McCullough; Stys, J. E.; Valenti, J. A.; Fleming, S. W.; Janes, K. A.; Heasley, J. N.; et al. (2005). "The XO Project: Searching for Transiting Extrasolar Planet Candidates". Publications of the Astronomical Society of the Pacific. 117 (834): 783–795. arXiv:astro-ph/0505560. Bibcode:2005PASP..117..783M. doi:10.1086/432024. {{cite journal}}: Explicit use of et al. in: |author= (help); Unknown parameter |class= ignored (help); no-break space character in |first2= at position 3 (help); no-break space character in |first3= at position 3 (help); no-break space character in |first4= at position 3 (help); no-break space character in |first5= at position 3 (help); no-break space character in |first6= at position 3 (help)
  2. McCullough, P. R.; et al. (2006). "A Transiting Planet of a Sun-like Star". The Astrophysical Journal. 648 (2): 1228–1238. arXiv:astro-ph/0605414. Bibcode:2006ApJ...648.1228M. doi:10.1086/505651.
  3. Burke, Christopher J.; et al. (2007). "XO-2b: Transiting Hot Jupiter in a Metal-rich Common Proper Motion Binary". The Astrophysical Journal. 671 (2): 2115–2128. arXiv:0705.0003. Bibcode:2007ApJ...671.2115B. doi:10.1086/523087.

External links


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