Contribution to ARIEL Spectroscopy of Exoplanets (CASE) is a detector subsystem contribution to an

infrared spectrometer Infrared spectroscopy (IR spectroscopy or vibrational spectroscopy) is the measurement of the interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or function ...

instrument for the planned European

ARIEL Ariel may refer to: Film and television *Ariel Award, a Mexican Academy of Film award * ''Ariel'' (film), a 1988 Finnish film by Aki Kaurismäki * ''ARIEL Visual'' and ''ARIEL Deluxe'', 1989 and 1991 anime video series based on the novel series ...

space telescope. It is being developed by

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

as a contribution to the

European Space Agency , owners = , headquarters = Paris, Île-de-France, France , coordinates = , spaceport = Guiana Space Centre , seal = File:ESA emblem seal.png , seal_size = 130px , image = Views in the Main Control Room (1205 ...

(ESA) project to add scientific capabilities to the space telescope to observe the chemical composition of the atmospheres of

exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...

s,NASA Instrument to Probe Planet Clouds on European Mission
Elizabeth Landau, ''NASA News''. 8 November 2019. as well exoplanetary metallicities. The ARIEL spacecraft with CASE on board is planned to launch in 2029.

Overview

ARIEL will be able to study the chemical "fingerprints", or spectra of an exoplanet's atmosphere as the light of its host star passes through the exoplanetplanet's atmosphere. The addition of CASE will enable ARIEL to observe clouds and hazes, which help establish planetary climate, and provide a more comprehensive picture of the exoplanet atmospheres ARIEL observes. The CASE instrument consists of two detectors and associated electronics that are sensitive to light at

near-infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of Light, visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from ...

(NIR) wavelengths as well as visible light. The detectors and its associated electronics are the same that NASA is contributing to ESA's

Euclid Euclid (; grc-gre, Wikt:Εὐκλείδης, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the ''Euclid's Elements, Elements'' trea ...

mission, being a mosaic of 4×4

Teledyne Teledyne Technologies Incorporated is an American industrial conglomerate. It was founded in 1960, as Teledyne, Inc., by Henry Singleton and George Kozmetsky. From August 1996 to November 1999, Teledyne existed as part of the conglomerate Al ...

H2RG detectors sensitive to near-infrared light radiation (1.0-2.0 μm) with 65 million pixels. CASE will be a subsystem of ARIEL's FGS instrument, "Constraining Exoplanet Metallicities and Aerosols with ARIEL: An Independent Study by the Contribution to ARIEL Spectroscopy of Exoplanets (CASE) Team." Robert T. Zellem, Mark R. Swain, Nicolas B. Cowan, etal. ''arXiv''; submitted on 6 Jun 2019. . which is an infrared spectrometer that operates in two channels (0.50-1.2 μm photometry; 1.25-1.95 μm spectroscopy). The ARIEL spacecraft with CASE on board is planned to launch in 2029.

References

{{Satellite and spacecraft instruments Planetary atmospheres Exoplanetology Space science experiments

Overview

See also

References