Another Teacher Webb Space Telescope Completes First Multi Instrument Alignment

Sixth alignment step[{“attribute=””>OikathreftestoudiastimikoutileskopiouJamesWebbtisNASAmetaepistimonikatouorganaostenadimiourgountispioakriveiskaiestiasmeneseikoneskatelixeEnotoorganomesaiasyperythrisaktinovolias(Mirī)synechizeitocooldowntouoiomadesoptikonechounefthygrammiseimeepitychiatafpoloipaorganatouasteroskopeioumetouskathreftestouWebbOiproigoumenesprospatheiesefthygrammisisitantosoakriveispouiomadakatelixestosymperasmaotidenapaitountaiprosthetesrythmiseisstondefterefontakathreftimechritoevdomokaiteleftaiostadiotoopoiothaperilamvaneitoMIRIotankryoseipliros[{“attribute=””>NASA’sJamesWebbSpaceTelescope’smirrorstoitsscientificinstrumentssotheywillcreatethemostaccurateandfocusedimagespossiblehasconcludedWhiletheMid-InfraredInstrument(MIRI)continuesitscooldownopticsteamshavesuccessfullyalignedtherestoftheobservatory’sonboardinstrumentstoWebb’smirrorsPreviousalignmenteffortsweresoaccuratethattheteamconcludednoadditionaladjustmentstothesecondarymirrorarenecessaryuntiltheseventhandfinalstagewhichwillinvolveMIRIwhenithasfullycooled[{”χαρακτηριστικό=””>ΟικαθρέφτεςτουδιαστημικούτηλεσκοπίουJamesWebbτηςNASAμεταεπιστημονικάτουόργαναώστεναδημιουργούντιςπιοακριβείςκαιεστιασμένεςεικόνεςκατέληξεΕνώτοόργανομεσαίαςυπέρυθρηςακτινοβολίας(MIRI)συνεχίζειτοcooldownτουοιομάδεςοπτικώνέχουνευθυγραμμίσειμεεπιτυχίαταυπόλοιπαόργανατουαστεροσκοπείουμετουςκαθρέφτεςτουWebbΟιπροηγούμενεςπροσπάθειεςευθυγράμμισηςήταντόσοακριβείςπουηομάδακατέληξεστοσυμπέρασμαότιδεναπαιτούνταιπρόσθετεςρυθμίσειςστονδευτερεύοντακαθρέφτημέχριτοέβδομοκαιτελευταίοστάδιοτοοποίοθαπεριλαμβάνειτοMIRIότανκρυώσειπλήρως[{”attribute=””>NASA’sJamesWebbSpaceTelescope’smirrorstoitsscientificinstrumentssotheywillcreatethemostaccurateandfocusedimagespossiblehasconcludedWhiletheMid-InfraredInstrument(MIRI)continuesitscooldownopticsteamshavesuccessfullyalignedtherestoftheobservatory’sonboardinstrumentstoWebb’smirrorsPreviousalignmenteffortsweresoaccuratethattheteamconcludednoadditionaladjustmentstothesecondarymirrorarenecessaryuntiltheseventhandfinalstagewhichwillinvolveMIRIwhenithasfullycooled “As a general rule, the commissioning process starts with rough corrections and then proceeds with fine corrections. “Early secondary gross mirror corrections, however, were so successful that subtle corrections in the first iteration of Phase Six were unnecessary,” said Chanda Walker, Webb front-end detection and control scientist, Ball Aerospace. “This achievement was due to many years of planning and excellent teamwork between the wavefront detection team.” Throughout most of the alignment process, Webb’s 18 hexagonal mirrors and secondary mirrors focused on alignment with the Near-Infrared Camera (NIRCam) alone. Upon completion of this most recent step, the observatory is now aligned with the FGS sensor, the Near Infrared Spectrometer (NIRISS) and the Near Infrared Spectrometer (NIRSpec) as well as the NIRCam. Once the MIRI has cooled completely to its cryogenic operating temperature in the coming weeks, a second multi-instrument alignment will be performed to make final adjustments to the instruments and mirrors, if necessary. When the telescope is fully aligned and able to deliver focused light to each instrument, a key decision meeting will take place to confirm the end of the James Webb Space Telescope alignment. The team will then move from alignment efforts to outsourcing each instrument to scientific work, which is expected to begin this summer.