The Phase-Dependent Infrared Brightness of the Extrasolar Planet ʊ Andromedae b

@article{Harrington2006ThePI,
  title={The Phase-Dependent Infrared Brightness of the Extrasolar Planet ʊ Andromedae b},
  author={Joseph Harrington and Brad M S Hansen and Statia H. Luszcz and Sara Seager and Drake L. Deming and Kristen Menou and James Y-K. Cho and Lee Jeremy Richardson},
  journal={Science},
  year={2006},
  volume={314},
  pages={623 - 626}
}
The star υ Andromedae is orbited by three known planets, the innermost of which has an orbital period of 4.617 days and a mass at least 0.69 that of Jupiter. This planet is close enough to its host star that the radiation it absorbs overwhelms its internal heat losses. Here, we present the 24-micrometer light curve of this system, obtained with the Spitzer Space Telescope. It shows a variation in phase with the orbital motion of the innermost planet, demonstrating that such planets possess… 
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