Work by Cool Star Lab Alumna Aishwarya Iyer Featured in NASA Press Release

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Cool Star Lab alumna Aishwarya Iyer, currently a Master’s student at CSU Northridge and intern at Jet Propulsion Laboratory, has recently published work on exoplanet atmospheres that has been featured in a NASA Press Release. Her paper, “A Characteristic Transmission Spectrum Dominated by H2O Applies to the Majority of HST/WFC3 Exoplanet Observations“, published in the Astrophysical Journal, concludes that most hot Jupiter atmospheres likely contain water vapor, even those that show weak water features. This is due to the role of hazes and clouds, which can obscure molecular gas features. Aisha and her team performed a comprehensive analysis of 19 Hot Jupiter transmission spectra taken by HST/WFC3, and modeling analysis indicates that the bulk of water vapor lies below the cloud layers. This work is a major advance in understanding the role of clouds and haze in exoplanetary atmospheres, which are also important constituents in brown dwarf atmospheres.

The paper can be accessed at http://adsabs.harvard.edu/abs/2016ApJ…823..109I and the press release can be found at http://www.jpl.nasa.gov/news/news.php?feature=6527

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