Large Interferometer For Exoplanets

Mission type| Exoplanet observation
Website| www.life-space-mission.com
Mission duration| 5-6 years
Main telescope
Type| 4-telescope array with 6:1 baseline ratio, maximum/minimum allowed separation: 600 m / 10 m
Diameter| 4 x 2-3.5 m
Wavelengths| 4 – 18 μm (mid-infrared)
Resolution| spectral: 35 - 50

Large Interferometer For Exoplanets (LIFE) is a project started in 2017 to develop the science, technology and a roadmap for a space mission to detect and characterize the atmospheres of dozens of warm, terrestrial extrasolar planets. The current plan is for a nulling interferometer operating in the mid-infrared.[1][2][3][4][5][6]

The LIFE space observatory concept is different from previous space missions, which covered a similar wavelength regime in the mid-infrared (MIR). This includes recent missions such as James Web Space Telescope, Spitzer Space Telescope, and older missions such as ISO, IRAS, and AKARI.

## Contents

* 1 Atmospheric Biosignatures
* 2 LIFE research papers
* 3 References
* 4 External links
* 5 See also

## Atmospheric Biosignatures

When present in sufficient quantities in the atmosphere, chemicals that are indicators of life are known as atmospheric biomarkers. The LIFE Mission is designed to observe in the mid-infrared light, where many of these molecules show spectral features.

## LIFE research papers

1. Improved exoplanet detection yield estimates for a large mid-infrared space-interferometer mission
2. Signal simulation, signal extraction and fundamental exoplanet parameters from single epoch observations
3. Spectral resolution, wavelength range and sensitivity requirements based on atmospheric retrieval analyses of an exo-Earth
4. Diagnostic potential of a mid-infrared space-interferometer for studying Earth analogs
5. Ideal kernel-nulling array architectures for a space-based mid-infrared nulling interferometer
6. Practical implementation of a kernel-nulling beam combiner with a discussion on instrumental uncertainties and redundancy benefits

## References

1. ↑ "Large Interferometer For Exoplanets". https://www.life-space-mission.com/.
2. ↑ Quanz, Sascha P. (7 Aug 2019). "Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability & diversity]". arXiv:1908.01316 [astro-ph.EP].
3. ↑ Bonati, Irene (18 Nov 201). "Direct imaging of molten protoplanets in nearby young stellar associations". Astronomy & Astrophysics 621: A125. doi:10.1051/0004-6361/201833158. Bibcode: 2019A&A...621A.125B.
4. ↑ Defrère, D. (26 Jul 2018). "Characterizing the atmosphere of Proxima b with a space-based mid-infrared nulling interferometer". Optical and Infrared Interferometry and Imaging Vi 10701: 36. doi:10.1117/12.2312839. ISBN 9781510619555. Bibcode: 2018SPIE10701E..1HD.
5. ↑ Defrère, D. (21 Dec 2018). "Space-based infrared interferometry to study exoplanetary atmospheres". Experimental Astronomy 46 (3): 543–560. doi:10.1007/s10686-018-9613-2. Bibcode: 2018ExA....46..543D.
6. ↑ Kammerer, J.; Quanz, S. P. (17 Oct 2017). "Simulating the exoplanet yield of a space-based mid-infrared interferometer based on Kepler statistics". Astronomy & Astrophysics 609: A4. doi:10.1051/0004-6361/201731254.

## External links

* Exoplanet science with a space-based mid-infrared nulling interferometer, Sascha P. Quanz, Jens Kammerer, Denis Defrère, Olivier Absil, Adrian M. Glauser, Daniel Kitzmann, 9 Aug 2018

## See also

* Astrobiology
* Biosignature

* v
* t
* e

Space observatories

Operating|

* AGILE (since 2007)
* AMS-02 (since 2011)
* Aoi (since 2018)
* ASTERIA (since 2017)
* Astrosat (since 2015)
* BRITE constellation (since 2013)
* CALET (since 2015)
* Chandra (AXAF) (since 1999)
* DAMPE (since 2015)
* Fermi (since 2008)
* Gaia (since 2013)
* HXMT (Insight) (since 2017)
* Hinode (Solar-B) (since 2006)
* HiRISE (since 2005)
* Hisaki (SPRINT-A) (since 2013)
* Hubble (since 1990)
* INTEGRAL (since 2002)
* IBEX (since 2008)
* IRIS (since 2013)
* ISS-CREAM (since 2017)
* MAXI (since 2009)
* Mikhailo Lomonosov (since 2016)
* Mini-EUSO (since 2019)
* NCLE (since 2018)
* NEOSSat (since 2013)
* NICER (since 2017)
* NuSTAR (since 2012)
* Odin (since 2001)
* SDO (since 2010)
* SOHO (since 1995)
* SOLAR (since 2008)
* Spektr-RG (since 2019)
* Spitzer (since 2003)
* STEREO (since 2006)
* Swift (since 2004)
* TESS (since 2018)
* WISE (since 2009)
* XMM-Newton (since 1999)

Planned|

* CHEOPS (2019)
* iWF-MAXI (2019)
* Astro-1 Telescope (2020)
* ILO-1 (2020)
* LUCI (2020)
* Nano-JASMINE (2020)
* ORBIS (2020)
* Solar Orbiter (SolO) (2020)
* IXPE (2021)
* James Webb (JWST) (2021)
* LORD (2021)
* SVOM (2021)
* XPoSat (2021)
* Euclid (2022)
* Space Solar Telescope (2022)
* XRISM (2022)
* Xuntian (2022)
* K-EUSO (2023)
* Solar-C (2023)
* SPHEREx (2023)
* Small-JASMINE (2024)
* Near-Earth Object Surveillance Mission (2025+)
* Spektr-UV (2025)
* WFIRST (2025+)
* PLATO (2026)
* LiteBIRD (2027)
* ARIEL (2028)
* Spektr-M (2030+)
* ATHENA (2031)
* LISA (2034)

Proposed|

* Arcus
* AstroSat-2
* EXCEDE
* Fresnel Imager
* FOCAL
* HabEx
* Hibari
* Hypertelescope
* JEM-EUSO
* LUVOIR
* ATLAST
* HDST
* Lynx
* Nautilus Deep Space Observatory
* New Worlds Mission
* NRO donation to NASA
* OST
* PhoENiX
* Solar-D
* SPICA
* THEIA
* THESEUS

Retired|

* Akari (Astro-F) (2006–2011)
* ALEXIS (1993–2005)
* Alouette 1 (1962–1972)
* Ariel 1 (1962, 1964)
* Ariel 2 (1964)
* Ariel 3 (1967–1969)
* Ariel 4 (1971–1972)
* Ariel 5 (1974–1980)
* Ariel 6 (1979–1982)
* ATM (1973–1974)
* ASCA (Astro-D) (1993–2000)
* Astro-1 (1990)
* BBXRT
* HUT
* Astro-2 (HUT) (1995)
* Astron (1983–1989)
* ANS (1974–1976)
* BeppoSAX (1996–2003)
* CHIPSat (2003–2008)
* Compton (CGRO) (1991–2000)
* CoRoT (2006–2013)
* Cos-B (1975–1982)
* COBE (1989–1993)
* DXS (1993)
* EPOCh (2008)
* EPOXI (2010)
* Explorer 11 (1961)
* EXOSAT (1983–1986)
* EUVE (1992–2001)
* FUSE (1999–2007)
* Kvant-1 (1987–2001)
* GALEX (2003–2013)
* Gamma (1990–1992)
* Ginga (Astro-C) (1987–1991)
* Granat (1989–1998)
* Hakucho (CORSA-b) (1979–1985)
* HALCA (MUSES-B) (1997–2005)
* HEAO-1 (1977–1979)
* Herschel (2009–2013)
* Hinotori (Astro-A) (1981–1991)
* HEAO-2 (Einstein Obs.) (1978–1982)
* HEAO-3 (1979–1981)
* HETE-2 (2000–2008)
* Hipparcos (1989–1993)
* IUE (1978–1996)
* IRAS (1983)
* IRTS (1995–1996)
* ISO (1996–1998)
* IXAE (1996–2004)
* Kepler (2009–2018)
* Kristall (1990–2001)
* LEGRI (1997–2002)
* LISA Pathfinder (2015–2017)
* MOST (2003–2019)
* MSX (1996–1997)
* OAO-2 (1968–1973)
* OAO-3 (Copernicus) (1972–1981)
* Orbiting Solar Observatory
* OSO 1
* OSO 2/OSO B
* OSO 3
* OSO 4
* OSO 5
* OSO 6
* OSO 7
* OSO 8
* Orion 1 (1971)
* Orion 2 (1973)
* PAMELA (2006–2016)
* PicSat (2018)
* Planck (2009–2013)
* RELIKT-1 (1983–1984)
* R/HESSI (2002–2018)
* ROSAT (1990–1999)
* RXTE (1995–2012)
* SAMPEX (1992–2004)
* SAS-B (1972–1973)
* SAS-C (1975–1979)
* Solwind (1979–1985)
* Spektr-R (2011–2019)
* Suzaku (Astro-EII) (2005–2015)
* Taiyo (SRATS) (1975–1980)
* Tenma (Astro-B) (1983–1985)
* Uhuru (1970–1973)
* Vanguard 3 (1959)
* WMAP (2001–2010)
* Yokoh (Solar-A) (1991–2001)

Hibernating
(Mission completed)|

* SWAS (1998–2005)
* TRACE (1998–2010)

Lost|

* OAO-1 (1966)
* OAO-B (1970)
* CORSA (1976)
* OSO C (1965)
* ABRIXAS (1999)
* HETE-1 (1996)
* WIRE (1999)
* Astro-E (2000)
* Tsubame (2014–2015)
* Hitomi (Astro-H) (2016)

Cancelled|

* AOSO
* Astro-G
* Constellation-X
* Darwin
* Destiny
* EChO
* Eddington
* FAME
* FINESSE
* GEMS
* HOP
* IXO
* JDEM
* LOFT
* OSO J
* OSO K
* Sentinel
* SIM & SIMlite
* SNAP
* SPOrt
* TAUVEX
* TPF
* XEUS
* XIPE

See also|

* Great Observatories program
* List of space telescopes
* List of proposed space observatories
* List of X-ray space telescopes

* Category

* v
* t
* e

Exoplanet search projects

* Exoplanetology
* Exoplanet

Ground-based|

* AAPS
* APF
* CORALIE
* EAPSNet
* ELODIE
* EPICS
* ESPRESSO
* FINDS Exo-Earths
* Geneva
* HARPS
* HARPS-N
* GPI
* HATNet
* HEK
* HiCIAO
* HIRES
* KELT
* LCES
* Magellan
* MARVELS
* MASCARA
* MEarth
* MicroFUN
* MINERVA
* Australis
* MOA
* N2K
* NGTS
* NESSI
* OGLE
* OPSP
* PlanetPol
* Project 1640
* PARAS
* SEEDS
* SETI
* SOPHIE
* SPECULOOS
* SPHERE
* SuperWASP
* Systemic
* TrES
* XO Telescope
* ZIMPOL/CHEOPS

Space missions|

| Past|

* MOST (2003–2019)
* SWEEPS using HST (2006)
* CoRoT (2006–2013)
* EPOXI using Deep Impact (2008–2013)
* Kepler (2009–2018)
* detected exoplanets

|

Current|

* Gaia (2013–present)
* ASTERIA (2017–present)
* TESS (2018–present)

Planned|

* CHEOPS (2019)
* James Webb Space Telescope (2021)
* PLATO (2026)
* ARIEL (2028)
* WFIRST (mid-2020s)

Proposed|

* ATLAST
* EXCEDE
* HabEx
* HDST
* LUVOIR
* Nautilus Deep Space Observatory
* New Worlds Mission
* OST
* PEGASE

Cancelled|

* Darwin
* EChO
* Eddington
* Space Interferometry Mission
* Terrestrial Planet Finder

* Detection methods
* Discoveries of exoplanets
* Lists of exoplanets
* nearest

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