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arXiv:0705.0215 (astro-ph)
[Submitted on 2 May 2007]

Title:Transit and secondary eclipse photometry in the near-infrared

Authors:Ignas Snellen (Leiden Observatory)
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Abstract: Near-infrared photometry of transiting extrasolar planets can be of great scientific value. It is however not straightforward to reach the necessary millimagnitude precision. Here we report on our attempts to observe transits and secondary eclipses of several extrasolar planets at 2.2 micron. Best results have been obtained on OGLE-TR-113b using the SOFI near-infrared camera on ESO's New Technology Telescope. Its K-band transit shows a remarkably flat bottom indicating low stellar limb darkening. Secondary eclipse photometry has resulted in a formal 3 sigma detection, but residual systematic effects make this detection rather uncertain.
Comments: 6 pages, to appear in the PASP proceedings of "Transiting Extrasolar Planets Workshop" MPIA Heidelberg Germany, 25th-28th September 2006. Eds: C. Afonso, D. Weldrake & T. Henning
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:0705.0215 [astro-ph]
  (or arXiv:0705.0215v1 [astro-ph] for this version)
  https://doi.org/10.48550/arXiv.0705.0215

Submission history

From: Ignas Snellen [view email]
[v1] Wed, 2 May 2007 07:53:14 UTC (53 KB)
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