Contribution to ARIEL Spectroscopy of Exoplanets

Contribution to ARIEL Spectroscopy of Exoplanets (CASE) is a detector subsystem contribution to an infrared spectrometer instrument for the planned European ARIEL space telescope. It is being developed by NASA as a contribution to the European Space Agency (ESA) project to add scientific capabilities to the space telescope to observe the chemical composition of the atmospheres of exoplanets,[1] as well exoplanetary metallicities.[1][2] 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 exoplanet'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.[2]

The CASE instrument consists of two detectors and associated electronics that are sensitive to light at near-infrared (NIR) wavelengths as well as visible light.[1] The detectors and its associated electronics are the same that NASA is contributing to ESA's Euclid mission,[1] being a mosaic of 4×4 Teledyne H2RG detectors sensitive to near-infrared light radiation (1.0-2.0 μm) with 65 million pixels.[3] CASE will be a subsystem of ARIEL's FGS instrument,[2] which is an infrared spectrometer that operates in two channels (0.50-1.2 μm photometry; 1.25-1.95 μm spectroscopy).[2][4]

CASE is an astrophysics Mission of Opportunity by the Explorers Program. The Principal Investigator of CASE is Mark Swain, at the Jet Propulsion Laboratory (JPL).[1] The ARIEL spacecraft with CASE on board is planned to launch in 2029.[1][5]

## See also

* Extraterrestrial atmosphere

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 NASA Instrument to Probe Planet Clouds on European Mission. Elizabeth Landau, NASA News. 8 November 2019.
2. ↑ 2.0 2.1 2.2 2.3 "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. doi:10.1088/1538-3873/ab2d54.
3. ↑ "Euclid Spacecraft Payload". ESA. http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=46676&fbodylongid=2157.
4. ↑ ARIEL - Payload. ESA. 20 March 2018.
5. ↑ "Ariel moves from blueprint to reality". ESA. 12 November 2020. https://www.esa.int/Science_Exploration/Space_Science/Ariel_moves_from_blueprint_to_reality.

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Atmospheres

Star|

* Sun

Exoplanet|

* HD 209458 b
* Kepler-7b

Planet|

* Mercury
* Venus
* Earth
* Mars
* Jupiter
* Saturn
* Uranus
* Neptune

Dwarf planet|

* Ceres
* Pluto
* Makemake

Satellite|

* Callisto
* Dione
* Enceladus
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* Ganymede
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* Moon
* Rhea
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* Triton

See also|

* Coma (cometary)
* Extraterrestrial atmosphere
* Stellar atmosphere

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Exoplanetology

* Planet
* Definition
* IAU
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Main topics|

* Exoplanet
* Methods of detecting exoplanets
* Planetary system

Sizes
and types|

| Terrestrial|

* Carbon planet
* Coreless planet
* Desert planet
* Dwarf planet
* Ice planet
* Iron planet
* Lava planet
* Mega-Earth
* Ocean planet
* Sub-Earth
* Super-Earth

|

Gaseous|

* Eccentric Jupiter
* Gas dwarf
* Helium planet
* Hot Jupiter
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* Mini-Neptune
* Super-Neptune
* Super-Jupiter

Other types|

* Brown dwarf
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* Planetesimal
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Formation
and evolution|

* Accretion
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* Star formation

Systems|

* Exocomet
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* Interstellar comet
* Mean-motion resonances
* Retrograde planet
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* Tidally detached exomoon
* Titius–Bode laws
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Host stars|

* A
* B
* Binary star
* Brown dwarfs
* Extragalactic planet
* F/Yellow-white dwarfs
* G/Yellow dwarfs
* Herbig Ae/Be
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* M/Red dwarfs
* Planets in globular clusters
* Pulsar
* Red giant
* Subdwarf B
* Subgiant
* T Tauri
* White dwarfs
* Yellow giants

Detection|

* Astrometry
* Direct imaging
* list
* Microlensing
* list
* Polarimetry
* Pulsar timing
* list
* Radial velocity
* list
* Transit method
* list
* Transit-timing variation

Habitability|

* Astrobiology
* Circumstellar habitable zone
* Earth analog
* Extraterrestrial liquid water
* Habitability of natural satellites
* Superhabitable planet

Catalogues|

* Catalog of Nearby Habitable Systems
* Exoplanet Data Explorer
* Extrasolar Planets Encyclopaedia
* NASA Exoplanet Archive
* NASA Star and Exoplanet Database

Lists|

* Exoplanetary systems
* Host stars
* Multiplanetary systems
* Stars with proplyds
* Exoplanets
* Lists of exoplanets
* Discoveries
* Extremes
* Firsts
* Nearest
* Largest
* Most massive
* Terrestrial candidates
* Kepler
* Potentially habitable
* Discovered exoplanets by year
* before 2000
* 2000–2009
* 2010
* 2011
* 2012
* 2013
* 2014
* 2015
* 2016
* 2017
* 2018
* 2019

Other|

* Carl Sagan Institute
* Exoplanet phase curves
* Nexus for Exoplanet System Science
* Planets in science fiction
* Sudarsky's gas giant classification

* Discoveries of exoplanets
* Search projects

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Science instruments on satellites and spacecraft

Radar|

* Cassini–Huygens
* Magellan
* Paz
* Pioneer Venus Orbiter
* REASON
* SELENE
* SHARAD
* MARSIS
* Venera 4
* 8
* 9
* 10
* 15
* 16
* WISDOM

Radio science|

* Akatsuki
* Cassini–Huygens
* Europa-UVS
* ExoMars lander
* Galileo
* InSight
* Kaguya
* Magellan
* Mariner 2
* 3
* 4
* 5
* 6, 7
* 9
* 10
* Mars Express
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* Nozomi
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* 10
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* Pioneer Venus Orbiter
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* 2

Radiometer|

| Microwave|

| Near Earth|

* AQUA
* AMR-C (Sentinel-6)
* AMSR-E (AQUA)
* AMSR (ADEOS II)
* AMSR2 (Shizuku)
* DMSP 5D-2/F13-F15
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* Seasat
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* SMAP
* SMMR
* SMOS
* SSM/I
* SSMIS
* TRMM
* WSF-M
* Zond-PP

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Interplanetary|

* Cassini-Huygens
* Electra (radio)
* Mariner 2
* MWR (Juno)
* Rosetta

Infrared-Visible|

| Near Earth|

* AVHRR
* ASTER, MISR (Terra)
* AIRS
* AVNIR
* AVNIR-2
* CERES (TRMM, Terra, Aura, Suomi NPP, NOAA-20)
* ERBS
* ERSS
* GLI (ADEOS II)
* Kanopus-V-IK
* MESSR and VTIR
* MOS-1
* 1b
* Meteor-2
* MODIS (Terra, Aqua)
* OPS (JERS-1)
* ORI (EURECA)
* Radiation Budget Instrument
* SGLI (GCOM-C)
* SLSTR (Sentinel-3)
* VIIRS (Suomi NPP, JPSS-2)

|

Interplanetary|

* COMARS+ (on Schiaparelli)
* Diviner (on LRO)
* HP3 (on InSight)

* IRIS
* Luna 13
* Mariner 6 and 7
* Mariner 10
* Mars 96
* 2M No.521
* 2M No.522
* Pioneer 10
* 11
* PMIRR (on Mars Climate Orbiter)
* Venera 9
* 10
* Voyager 1
* 2

Ultraviolet (UV)|

| Near Earth|

* ORI (EURECA)
* LYRA
* Proba-2

|

Spectrophotometers|

| Long wavelength|

| Interplanetary|

* ISO

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Visible-IR (VIRS)|

| Near Earth|

* CASE
* MOMS
* Multispectral Scanner
* SCIAMACHY
* TES
* TRMM

|

Interplanetary|

* AKARI
* Envisat
* Rosalind Franklin rover
* MA-MISS
* ISEM
* Infrared Space Observatory
* IRIS (Voyager 1 and 2)
* JIRAM (on Juno)
* M3
* Mariner 6 and 7
* MASCS
* MERIS
* E-THEMIS, MISE, SUDA (on Europa Clipper)
* Ralph
* SPICAM
* SPICAV

UV-visible (UVVS)|

| Interplanetary|

* Alice
* Mariner 6 and 7
* Mariner 10
* MASCS
* NOMAD
* SPICAM
* SPICAV
* UVS
* Voyager 1
* 2

|

Raman|

| Interplanetary|

* Raman Laser Spectrometer (Rosalind Franklin rover)
* SHERLOC (Mars 2020 rover)

|

Magnetometer|

| Near Earth|

* GOES
* QuakeSat 1 and 2
* SGVM
* Proba-2

|

Interplanetary|

* FIELDS
* Pioneer 10
* 11
* Voyager 1
* 2
* MAG (Juno)
* ICEMAG and PIMS (Europa Clipper)

Triaxial fluxgate|

| Interplanetary|

* Cassini–Huygens
* FIELDS
* Magsat
* Mariner 2
* 4
* 5
* 10
* MESSENGER
* Pioneer 11
* Venus Express

|

Helium vapor|

| Interplanetary|

* Cassini–Huygens

|

Particle
detectors|

| Ion detectors|

| Near Earth|

* DEMETER
* TPMU and DSLP
* Proba-2

|

Interplanetary|

* ASPERA-3
* ASPERA-4
* Mariner 2
* SPS
* Ulysses

Neutral particle detector|

| Interplanetary|

* ADRON-RM (Rosalind Franklin rover)
* ASPERA-3 (on Mars Express)
* ASPERA-4 (on Venus Express)
* DAN (on Curiosity)
* FREND (on ExoMars TGO)
* Nozomi
* SPS (on Mariner 2)
* Ulysses

|

Mass spectrometer|

| Interplanetary|

* MASPEX (Europa Clipper)
* MOMA (Rosalind Franklin rover)

|

Seismometers|

* SEIS (on InSight)
* Viking 1
* 2

Imagers/telescopes|

* High Resolution Stereo Camera
* HiRISE
* LORRI
* Mars Orbiter Camera

Microscopes|

* MicrOmega-IR (Rosalind Franklin rover)

Astronomical
instruments|

* International Lunar Observatory
* MoonLIGHT

Misc|

* Deep Space Atomic Clock
* Inertial Stellar Compass
* Venetia Burney Student Dust Counter
* Plasma Wave Subsystem

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* e

Explorers Program

List of Explorers Program missions

Missions|

| 1958–1992|

* Explorer 1
* 2†
* 3
* 4
* 5†
* S-1†
* 6 (S-2)
* 7 (S-1A)
* S-46A†
* 8
* S-56†
* 9 (S-56A)
* S-45†
* 10
* 11 (S-15)
* S-45A†
* S-55†
* 12 (EPE-A)
* 13 (S-55A)
* 14 (EPE-B)
* 15 (EPE-C)
* 16 (S-55B)
* 17 (AE-A)
* 18 (IMP-A)
* 19 (AD-A)
* S-66A (BE-A)†
* 20 (IE-A)
* 21 (IMP-B)
* 22 (BE-B)
* 23 (S-55C)
* 24 (AD-B)
* 25 (Injun 4, IE-B)
* 26 (EPE-D)
* 27 (BE-C)
* 28 (IMP-C)
* 29 (GEOS-A)
* 30 (Solrad 8)
* 31 (DME-A)
* 32 (AE-B)
* 33 (IMP-D)
* 34 (IMP-F)
* 35 (IMP-E)
* 36 (GEOS-B)
* 37 (Solrad 9)
* 38 (RAE-A)
* 39 (AD-C)
* 40 (Injun 5)
* 41 (IMP-G)
* 42 (Uhuru, SAS-A)
* 43 (IMP-H)
* 44 (Solrad 10)
* 45 (SSS-A)
* 46 (MTS)
* 47 (IMP-I)
* 48 (SAS-B)
* 49 (RAE-B)
* 50 (IMP-J)
* 51 (AE-C)
* 52 (Hawkeye 1)
* 53 (SAS-C)
* 54 (AE-D)
* 55 (AE-E)
* DADE-A†
* DADE-B†
* 56 (ISEE-1)
* 57 (IUE)
* 58 (HCMM)
* 59 (ICE)
* 60 (SAGE)
* 61 (Magsat)
* 62 (DE-1)
* 63 (DE-2)
* 64 (SME)
* 65 (CCE)
* 66 (COBE)
* 67 (EUVE)

|

MIDEX|

* 69 (RXTE)
* 71 (ACE)
* 77 (FUSE)
* 78 (IMAGE)
* 80 (WMAP)
* FAME
* 84 (Swift)
* 85–89 (THEMIS)
* 92 (WISE)
* 95 (TESS)
* 96 (ICON)
* SPHEREx

SMEX|

* 68 (SAMPEX)
* 70 (FAST)
* 73 (TRACE)
* 74 (SWAS)
* 75 (WIRE)†
* 81 (RHESSI)
* 83 (GALEX)
* 90 (AIM)
* 91 (IBEX)
* 93 (NuSTAR)
* 94 (IRIS)
* GEMS
* IXPE
* PUNCH
* TRACERS

UNEX/MO/I|

* HETE-1†
* 72 (SNOE)
* 76 (TERRIERS)†
* 79 (HETE-2)
* INTEGRAL
* 82 (CHIPSat)
* CINDI
* Suzaku
* TWINS
* Hitomi†
* NICER
* GOLD
* XRISM
* GUSTO
* CASE

Proposals|

| Proposals|

* FINESSE
* Arcus
* OHMIC
* ASTRE
* EXCEDE

|

* Green titles indicates active current missions
* Grey titles indicates cancelled missions
* Italics indicate missions yet to launch
* Symbol † indicates failure en route or before intended mission data returned

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