SPACE TELESCOPE SCIENCE INSTITUTE Operated for NASA by AURA TIPS / COS 17 January 2002

TIPS: COS Status - Keyes - 17 January 2002 Slide 2 of 14 Agenda   Overview – – Personnel – – Schedule   Instrument Activities and Status   STScI Ground System Activities – – “Back-end” (Pipeline, Archive) – – “Front-end” (Scheduling System) – – User Support

TIPS: COS Status - Keyes - 17 January 2002 Slide 3 of 14 COS Overview   Personnel – – Ralph Bohlin > > acting Head - NISD – – Claus Leitherer > > new COS Instrument Scientist (effective 1 Feb 2002) – – Ron Pitts > > new COS Systems Engineer for Commanding – – Dean Zak (Systems Engineering - Commanding) > > leaving COS, January 2002

TIPS: COS Status - Keyes - 17 January 2002 Slide 4 of 14 Overview   Detector Status – – FUV flight detector now in detector Thermal-Vac at CU > > deliver to Ball next week > > flight spare detector (FUV02) integration at UCB – – NUV flight detector on the shelf at Ball   COS Mini-Handbook: June 2002 (Ken Sembach, lead)   SI Environmental (Thermal-Vac): fall 2002   SI delivery to GSFC: Nov 2002   Launch: January 2004 – – SM4 – – replace COSTAR

TIPS: COS Status - Keyes - 17 January 2002 Slide 5 of 14 COS Instrument Activities   SI News: – – backup FUV door-opening mechanism repair installed, vibration tests successfully completed, final T-V tests in progress this week – – MEB functional tests by 1 Feb > > dry run successful > > FUV and NUV detector test images in internal header format (per DM-06) delivered to STScI; establish proper detector orientation; key MOU deliverable facilitates OPUS development – – Initial FUV focus alignment successfully performed at Ball with flight detector and gratings (R=20,000 spec demonstrated)

TIPS: COS Status - Keyes - 17 January 2002 Slide 6 of 14  FUV Alignment Test Data --- graphic courtesy of COS IDT

TIPS: COS Status - Keyes - 17 January 2002 Slide 7 of 14 FUV Extracted Spectrum --- graphic courtesy of COS IDT

TIPS: COS Status - Keyes - 17 January 2002 Slide 8 of 14 FUV Focus and Resolution Test --- graphic courtesy of COS IDT

TIPS: COS Status - Keyes - 17 January 2002 Slide 9 of 14 NUV Grating Status   NUV M mode (R=20000) grating reflectivity; recovery plan nearing completion – – G185M AlMgF coated optics delivered throughput below spec; G225Ma AlMgF will be used as flight optic – throughput exceeds spec; increased spectral range; possible lower resolution – – G225M AlMgF coated optics below spec; bare Al coated G225M samples exceed spec; flight-candidate G225Mc optics in test at GSFC > > mechanically-ruled alternate (Hitachi) procurement terminated – – G285M AlMgF coated optics delivered throughput below spec; G225Mb AlMgF coated is present flight optic – throughput exceeds spec; slightly decreased spectral range; higher resolution; bare Al coated G285M tests are even better; flight-candidate awaiting tests at GSFC   Flight-accepted G230L grating and TA1 MIRROR meet specification

TIPS: COS Status - Keyes - 17 January 2002 Slide 10 of 14 COS Pipeline and Calibration Systems   OPUS/HDA and calcos Critical Design Reviews – – 12 Requests for Action – no significant modifications to design – – Evaluated responses to all OPUS/HDA and calcos CDR RFAs; revisions in progress; final closure document in preparation – – All presentations and RFAs online at   Keyword Issues and Thermal–Vac Pipeline – – Established COS TV-specific keyword requirements and schedule – – Produced first ICD-19 working draft of COS pipeline output file headers and keywords

TIPS: COS Status - Keyes - 17 January 2002 Slide 11 of 14 COS Ground System: “Front-end”   STScI Integrated Scheduling System Development – – STScI FSW macro-timing tests on ops bench - 70% complete – – Phase 4 development on schedule > > ALIGNment modes (Focus, Aperture, Optical Select Mechanism) completed and tested at STScI > > FP-SPLIT testing nearing completion – – Phase 5 development on schedule > > GO WAVECAL exposures in requirements definition – – Ops bench testing of STScI commanding will occur per Ball FSW availability timeline

TIPS: COS Status - Keyes - 17 January 2002 Slide 12 of 14 COS User Support Development   STScI Exposure Time Calculator (JAVA-based) – – Standard component of Astronomer Proposal Tools (APT) – – Incorporates IDT ETC, STIS ETC, and FUSE ETC design elements – – Detailed ETC requirements delivered to APT working group – – Development this semester – – IDT ETC URL:   COS Mini-Handbook – – development underway - K. Sembach, lead – – component of Cycle 12 Call for Proposals - June 2002

TIPS: COS Status - Keyes - 17 January 2002 Slide 13 of 14 COS Phase Development Plan (Rev 6, 10/26/01) Phase 1 (1/1/00 – 6/30/00) vMacro Development vReconfigurations Phase 2 (7/1/00 – 12/31/00) vNUV Timetag Mode + Darks vFUV Timetag Mode + Darks Phase 3 (1/1/01 – 6/30/01) vFUV & NUV Accumulation Science Exposures vFUV & NUV Target Acquisition Exposures vFUV & NUV Target Peakup Exposures Phase 4 (7/1/01 – 12/31/01) vAperture Alignment Exposures vOSM1 Focus Alignment Exposures vOSM1 Rotation Alignment Exposures vOSM2 Rotation Alignment Exposures vFUV & NUV FP Split Exposures Phase 5 (1/1/02 – 6/30/02) vFUV & NUV GO Wavelength Calibration Exposures vFUV & NUV Flat Field Lamp Calibration Exposures vFUV & NUV Automatic Wavelength Calibration Exposures vSAA Contours Phase 6 (7/1/02 – 12/31/02) vSMGT Preparations vSMOV Special Commanding vFUV & NUV Anomalous Recovery vFUV & NUV Initial Turn-on vFUV & NUV BOP Target Screening Phase 7 (1/1/03 – 6/30/03) vFUV & NUV Lifetime Adjustments vCoordinated Parallels

TIPS: COS Status - Keyes - 17 January 2002 Slide 14 of 14 Detailed Schedule