ARIEL - ESA M-class Mission Proposal

ARIEL survived the initial downselect for ESA's M-Class Cosmic Vission
Atmospheric Remote-Sensing Infrared Exoplanet Large-survey
http://ariel-m4.sciencesconf.org/

https://www.beaconreader.com/katharine-sanderson/space-missions-out-of-the-running-in-european-competition

I think ARIEL is the new designation of EChO :

« …One team that did pass the technical review, is the exoplanet-chasing mission once called EChO, now re-jigged and re-named ARIEL (Atmospheric Remote-sensing Infrared Exoplanet Large survey). Bruce Swinyard, part of the ARIEL team, based at University College London, says the new-version of EChO is the previous version, “put on a diet”… »

http://spaceflightnow.com/2015/06/04/esa-reveals-candidates-for-new-space-science-missions/

Quote :

In a separate announcement Thursday, ESA unveiled its top three picks for a new “medium-class” science mission due for launch in 2025.

The three candidate missions — ARIEL, THOR and XIPE — were culled from a list of 27 proposals. They will now undergo thorough evaluations before ESA officials decide on one project to proceed toward launch.

a pdf :

http://www.astropa.inaf.it/~giusi/WOW/ROMA_2014/S4_05_Micela.pdf

http://www.esa.int/Our_Activities/Space_Science/ESA_s_next_science_mission_to_focus_on_nature_of_exoplanets


ESA's next science mission to focus on nature of exoplanets

20 March 2018
The nature of planets orbiting stars in other systems will be the focus for ESA’s fourth medium-class science mission, to be launched in mid 2028.

Ariel, the Atmospheric Remote‐sensing Infrared Exoplanet Large‐survey mission, was selected by ESA today as part of its Cosmic Vision plan