A Ground-based, Near-infrared, Emission Spectrum Of WASP-12b

Details A Ground-based, Near-infrared, Emission Spectrum Of WASP-12b A Ground-based, Near-infrared, Emission Spectrum Of WASP-12b

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.4008c&link_type=abstract

American Astronomical Society, ESS meeting #2, #40.08

Astronomy and Astrophysics

Astronomy

Scientific paper

We report our measurement of the emission spectrum of the Hot Jupiter WASP-12b. We observed two secondary eclipses with SpeX on the NASA IRTF (covering the H and K bands at low resolution) and recover consistent planetary spectra from both events. We discuss our
results, which are consistent with recent CFHT/WIRCam ground-based
photometry but suggest a somewhat different spectral slope than
inferred from those and Spitzer/IRAC data. In general, we find the
ability of single-slit spectrographs to characterize exoplanet
atmospheres is ultimately limited by our inability to sufficiently
characterize temporal evolution of telluric and instrumental
systematics. We discuss our possibilities and limitations in the
context of our ongoing efforts to perform ground-based exoplanet
spectroscopy, and reiterate the exciting, transformative potential of
near-infrared multi-object spectrographs to revolutionize this field.

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