SIMBAD references

2016MNRAS.463..604M - Mon. Not. R. Astron. Soc., 463, 604-614 (2016/November-3)

Broad-band spectrophotometry of HAT-P-32 b: search for a scattering signature in the planetary spectrum.

MALLONN M., BERNT I., HERRERO E., HOYER S., KIRK J., WHEATLEY P.J., SEELIGER M., MACKEBRANDT F., VON ESSEN C., STRASSMEIER K.G., GRANZER T., KUNSTLER A., DHILLON V.S., MARSH T.R. and GAITAN J.

Abstract (from CDS):

Multicolour broad-band transit observations offer the opportunity to characterize the atmosphere of an extrasolar planet with small- to medium-sized telescopes. One of the most favourable targets is the hot Jupiter HAT-P-32 b. We combined 21 new transit observations of this planet with 36 previously published light curves for a homogeneous analysis of the broad-band transmission spectrum from the Sloan u' band to the Sloan z' band. Our results rule out cloud-free planetary atmosphere models of solar metallicity. Furthermore, a discrepancy at reddest wavelengths to previously published results makes a recent tentative detection of a scattering feature less likely. Instead, the available spectral measurements of HAT-P-32 b favour a completely flat spectrum from the near-UV to the near-IR. A plausible interpretation is a thick cloud cover at high altitudes.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: photometric - planets and satellites: atmosphere - planets and satellites: individual: HAT-P-32 b - planets and satellites: individual: HAT-P-32 b

Simbad objects: 7

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