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MASCARA

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Coordinates: 29°15′25″S 70°44′16″W / 29.257078°S 70.737822°W / -29.257078; -70.737822
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MASCARA
The five cameras that form the MASCARA system installed at La Silla Observatory
Alternative namesMulti-site All-Sky CAmeRA Edit this at Wikidata
Part ofLa Silla Observatory
Roque de los Muchachos Observatory Edit this on Wikidata
Location(s)Spain, Chile Edit this at Wikidata
Coordinates29°15′25″S 70°44′16″W / 29.257078°S 70.737822°W / -29.257078; -70.737822 Edit this at Wikidata
Telescope styleoptical telescope Edit this on Wikidata
Websitemascara1.strw.leidenuniv.nl Edit this at Wikidata
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The compact housing of MASCARA at La Silla Observatory

MASCARA (Multi-site All-Sky CAmeRA) is an exoplanet experiment by Leiden University. It has two stations, one in each hemisphere, each of which use cameras to make short exposure photographs of most of the visible sky[1] to observe stars to a magnitude of 8.4.[2] The Northern Hemisphere station at Roque de los Muchachos Observatory, La Palma, started observations in February 2015. The Southern Hemisphere station at La Silla Observatory, Chile, saw first light in July 2017.[3]

On 17 July 2017, the discovery of MASCARA-1b, a confirmed exoplanet, was reported by the survey team. MASCARA-1b is a hot Jupiter transiting its parent A-type star; its orbit is misaligned with the star's rotation.[4] A second planet, MASCARA-2b, was also announced, also a hot Jupiter orbiting an A-type star.[5]

References

  1. ^ "Multi-site All-Sky CAmeRA – Official Website". Leiden Astronomy MASCARA group. Retrieved 26 July 2017.
  2. ^ "Eyes Wide Open for MASCARA in Chile – Exoplanet hunter sees first light at ESO's La Silla Observatory". European Southern Observatory. Retrieved 26 July 2017.
  3. ^ "Eyes Wide Open for MASCARA in Chile – Exoplanet hunter sees first light at ESO's La Silla Observatory". European Southern Observatory. 19 July 2017. Retrieved 26 July 2017.
  4. ^ Talens, G. J. J; et al. (2017). "MASCARA-1 b. A hot Jupiter transiting a bright mV = 8.3 A-star in a misaligned orbit". Astronomy & Astrophysics. 606: A73. arXiv:1707.04262. Bibcode:2017A&A...606A..73T. doi:10.1051/0004-6361/201731282.
  5. ^ Talens, G. J. J; et al. (2018). "MASCARA-2 b: A hot Jupiter transiting a mV = 7.6 A-star". Astronomy & Astrophysics. 1707: arXiv:1707.01500. arXiv:1707.01500. Bibcode:2018A&A...612A..57T. doi:10.1051/0004-6361/201731512.

Papers

  • G.J.J. Talens et al., The Multi-site All-Sky CAmeRA: Finding transiting exoplanets around bright (mV < 8) stars, accepted for publication in A&A arXiv:1702.03931
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