DIRECT IMAGING DETECTION OF METHANE IN THE ATMOSPHERE OF GJ 504 b

DIRECT IMAGING DETECTION OF METHANE IN THE ATMOSPHERE OF GJ 504 b

Most exoplanets detected by direct imaging thus far have been characterized by relatively hot ([>, ~]1000 K) and cloudy atmospheres. A surprising feature in some of their atmospheres has been a distinct lack of methane, possibly implying non-equilibrium chemistry. Recently, we reported the discov...

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Veröffentlicht in:Astrophysical journal. Letters 2013-11, Vol.778 (1), p.1-6
Hauptverfasser: Janson, Markus, Brandt, Timothy D, Kuzuhara, Masayuki, Spiegel, David S, Thalmann, Christian, Currie, Thayne, Bonnefoy, Mickael, Zimmerman, Neil, SORAHANA, SATOKO, Kotani, Takayuki
Format: Artikel
Sprache:eng
Schlagworte:
ABSORPTION
Analogies
ASTRONOMY
ASTROPHYSICS
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
Atmospheres
DETECTION
EXPLORATION
Extrasolar planets
Imaging
METHANE
PHOTOMETRY
PLANETARY ATMOSPHERES
PLANETS
Spectra
SUN
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Zusammenfassung:Most exoplanets detected by direct imaging thus far have been characterized by relatively hot ([>, ~]1000 K) and cloudy atmospheres. A surprising feature in some of their atmospheres has been a distinct lack of methane, possibly implying non-equilibrium chemistry. Recently, we reported the discovery of a planetary companion to the Sun-like star GJ 504 using Subaru/HiCIAO within the Strategic Exploration of Exoplanets and Disks with Subaru survey. Hie planet is substantially colder (
ISSN:2041-8205
2041-8213
DOI:10.1088/2041-8205/778/1/L4