?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+telescope+assembly+of+the+Ariel+space+mission%3A+an+updated+overview&rft.creator=Pace%2C+Emanuele&rft.creator=Adler+Abreu%2C+Manuel&rft.creator=Alonso%2C+Gustavo&rft.creator=Barroqueiro%2C+Bruno&rft.creator=Bocchieri%2C+Andrea&rft.creator=Brienza%2C+Daniele&rft.creator=Brucalassi%2C+Anna&rft.creator=Chioetto%2C+Paolo&rft.creator=Compostizo%2C+Carlos&rft.creator=Cortecchia%2C+Fausto&rft.creator=D'Anca%2C+Fabio&rft.creator=Del+Vecchio%2C+Ciro&rft.creator=Diolaiti%2C+emiliano&rft.creator=Eccleston%2C+Paul&rft.creator=Fahmy%2C+Salma&rft.creator=Fernandes%2C+Jos%C3%A9&rft.creator=Fernandez+Soler%2C+Alejandro&rft.creator=Ferruzzi%2C+Debora&rft.creator=Focardi%2C+Mauro&rft.creator=Freitas%2C+Sara&rft.creator=Galy%2C+Camille&rft.creator=Garcia+Moreno%2C+Laura&rft.creator=Garcia+Perez%2C+Andres&rft.creator=Gottini%2C+Daniele&rft.creator=Guerriero%2C+Elisa&rft.creator=Halain%2C+Jean-Philippe&rft.creator=Hellin%2C+Marie-Laure&rft.creator=Jollet%2C+Delphine&rft.creator=Lilli%2C+Riccardo&rft.creator=Malaguti%2C+Giuseppe&rft.creator=Mart%C3%AC%2C+Laura&rft.creator=Mazzoli%2C+Alexandra&rft.creator=Micela%2C+Giuseppina&rft.creator=Morgante%2C+Gianluca&rft.creator=Naponiello%2C+Luca&rft.creator=Noce%2C+Vladimiro&rft.creator=Pascale%2C+Enzo&rft.creator=Perez+Alvarez%2C+Javier&rft.creator=Piazzolla%2C+Raffaele&rft.creator=Picchi%2C+Paolo&rft.creator=Preti%2C+Giampaolo&rft.creator=Roose%2C+Stephane&rft.creator=Salatti%2C+Mario&rft.creator=Salvignol%2C+Jean-Christophe&rft.creator=Scippa%2C+Antonio&rft.creator=Serre%2C+Christophe&rft.creator=Terenzi%2C+Luca&rft.creator=Tinetti%2C+Giovanna&rft.creator=Di+Vignano%2C+Elisabetta+Tommasi&rft.creator=Tozzi%2C+Andrea&rft.creator=Vandenbussche%2C+Bart&rft.creator=Zuppella%2C+Paola&rft.description=Ariel+(Atmospheric+Remote-Sensing+Infrared+Exoplanet+Large+Survey)+is+the+adopted+M4+mission+in+the+framework+of+the+ESA+%E2%80%9CCosmic+Vision%E2%80%9D+program.+Its+purpose+is+to+survey+the+atmospheres+of+known+exoplanets+through+transit+spectroscopy.+The+launch+is+scheduled+for+2029.+The+scientific+payload+consists+of+an+off-axis%2C+unobscured+Cassegrain+telescope+feeding+a+set+of+photometers+and+spectrometers+in+the+waveband+0.5-7.8+%C2%B5m+and+operating+at+cryogenic+temperatures+(55+K).+The+Telescope+Assembly+is+based+on+an+innovative+fully+aluminium+design+to+tolerate+thermal+variations+to+avoid+impacts+on+the+optical+performance%3B+it+consists+of+a+primary+parabolic+mirror+with+an+elliptical+aperture+of+1.1+m+(the+major+axis)%2C+followed+by+a+hyperbolic+secondary+that+is+mounted+on+a+refocusing+system%2C+a+parabolic+re-collimating+tertiary+and+a+flat+folding+mirror+directing+the+output+beam+parallel+to+the+optical+bench.+An+innovative+mounting+system+based+on+3+flexure+hinges+supports+the+primary+mirror+on+one+of+the+optical+bench+sides.+The+instrument+bay+on+the+other+side+of+the+optical+bench+houses+the+Ariel+IR+Spectrometer+(AIRS)+and+the+Fine+Guidance+System+%2F+NIR+Spectrometer+(FGS%2FNIRSpec).+The+Telescope+Assembly+is+in+phase+B2+towards+the+Critical+Design+Review%3B+the+fabrication+of+the+structural+and+engineering+models+has+started%3B+some+components%2C+i.e.%2C+the+primary+mirror+and+its+mounting+system+are+undergoing+further+qualification+activities.+This+paper+aims+to+update+the+scientific+community+on+the+progress+concerning+the+development%2C+manufacturing+and+qualification+activity+of+the+ARIEL+Telescope+Assembly.&rft.publisher=SPIE&rft.contributor=Coyle%2C+Laura+E&rft.contributor=Matsuura%2C+Shuji&rft.contributor=Perrin%2C+Marshall+D&rft.date=2024-08-23&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A+Coyle%2C+Laura+E+and+Matsuura%2C+Shuji+and+Perrin%2C+Marshall+D%2C+(eds.)+Proceedings+of+SPIE%3A+Space+Telescopes+and+Instrumentation+2024%3A+Optical%2C+Infrared%2C+and+Millimeter+Wave.++(pp.+130921C).++SPIE%3A+Bellingham%2C+WA%2C+USA.+(2024)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197949%2F1%2F130921C.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197949%2F&rft.rights=open