SPACE TELESCOPE SCIENCE INSTITUTE Operated for NASA by AURA Cosmic Origins Spectrograph Hubble Mission Status Review Charles D. (Tony) Keyes Last Review: 10 December February 2003

Hubble Mission Status Review Page 2 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS COS Optical Bench and Enclosure

Hubble Mission Status Review Page 3 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS Project Summary Budget Schedule Technical D Remarks STScI work on schedule; Ops bench commanding testing proceeding STScI work progressing well; SI: FUV detector swap approved; integr. ongoing J G G GG GG MAJOR PROBLEM NO SOLUTION YET MODERATE PROBLEM SOLUTION EXISTENT LEGEND: NOMINAL Y G R The project is on track. – most recent report: 10 December 2002 Role: STScI supports COS science operations by leading development of “front-end” (operations) and “back-end” (OPUS/MAST/calibration) ground system and user support functions. COS project is led by COS Team, and presently consists of 13 people drawn from INS/COS and ESS; 7 presently charge directly to WBS or

Hubble Mission Status Review Page 4 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS Health Chart SubprojectStaffingScheduleTechnical Instrument DevelopmentOK (g)ongoing (g) IDT/STScI MOU (g) I & T Ball (g) Commanding and RPS2OK (g)ongoing (g) OP-01 (g) Ops bench testing (g) Pipeline and CalibrationOK (g)ongoing (g) keyword development (g) pipeline development (g) SM4 initial planning (g) User SupportOK (g)ongoing (g) COS ETCs (g)

Hubble Mission Status Review Page 5 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS Tool is not mature enough for use in Cycle 11 Phase II Cycle 11 Phase II to be released Spring ‘02 (originally January ‘02) Evaluation underway (internal & external evaluators) look and feel GUI process model PROBLEMS/ISSUES PROGRAMMATIC IMPACT ACTION DATE ESTAB.COMPL. 1) Deuterium lamp vibration test failure; 2) FUV detector swap 1) Vendor revise design of Deuterium lamp, fabricate new lamp, test lamp, install on cal platform; 2) remove FUV01; replace with FUV02; CAOS/HOMS alignment check before and after CURRENT STATUS1) Closed 2) Open 1) New lamp installed on cal platform successfully; integrated in SI 2) FUV01 presently in align test on CAOS/HOMS; FUV02 install and align re-check requires 3 weeks, to be complete late Feb; 3-week delay to SI schedule and MOU deliverables (STScI T-V support development). None to STScI short-term; both cause delay for integration of SI; IDT delay in MOU deliverables, T-V and SI delivery Instrument Development (SI)  Y G

Hubble Mission Status Review Page 6 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS SI News:  FUV backup detector, FUV02, completed T-V at CU QE of both detectors similar at most wavelengths, FUV02 ~25-50% higher than FUV01 at certain critical longer wavelengths on specific detector segments Decision made to swap detectors; FUV02 will be flight detector (install mid-Feb) 3-week additional delta to timeline (science cal T-V now starts in mid-June)  Re-designed deuterium flat field installed in cal system  Calibration system and detector electronics installed on optical bench and in enclosure bulkheads COS display at STScI January 2003 AAS booth Highlights - Accomplishments

Hubble Mission Status Review Page 7 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS FUV02 / FUV01 QE Comparison

Hubble Mission Status Review Page 8 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS Highlights - Accomplishments (cont.) STScI scheduling system  Ops bench testing at Ball (Jan 03)  All components except target acquisition  FUV & NUV unique timing SMS and reconfiguration SMS successfully completed  NUV commanding-certification SMS successfully completed  FUV commanding-certification SMS initial runs (minor issues)  Additional re-tests (including target acquisition) will be made remotely  Revised Phased Development plan (new work and updates)  QEKEYWORD and QEASSOCIATION handling work in testing Continued review of impacts of SM4 date changes on STScI activities  Revised SMGT date  Review special commanding and SMOV requirements timelines (T-V impact) STScI continued Thermal-Vac requirements planning and preparation  Coordination of planned STScI support activities with IDT Thermal-Vac archive tables and screens established Draft keyword descriptions for Keyword Dictionary and ICD-19 Successful calcos testing with integrated SI data (from N 2 purge) STScI post-SM4 data volume study – COS participation ongoing G

Hubble Mission Status Review Page 9 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS Continue Special Commanding requirements definition Continue Anomalous Recovery, Initial Turn-on development Complete review of Phase Development Plan Continue STScI FSW tests (T.A. and FUV cert) on ops bench Complete review and issue OSM thermal issues report Continue Bright Object Screening scheduling system development Continue APT spectroscopic ETC development Prepare T-V support plan Deliver APT Target Acquisition ETC requirements definition Milepost Dates: {+ ==> later than last report}  COS Thermal-Vac at Ball: 15 June – 12 July 2003 [revised timeline]  SI delivery to GSFC: 1 Aug 2003 (+1 month) [revised timeline]  SMGT: 3 Mar 2004 (-3.5 months) [SM4 timeline change]  Launch: 18 Nov 2004 (-3.5 months) [SM4 timeline change - NASA] Planned Activities and Future Milestones

Hubble Mission Status Review Page 10 of 10 Space Telescope Science Institute Status as of: 11 February 2003 PROJECT: COS COS Phase Development Plan (rev 8, 01/06/03) Phase 1 (1/1/00 – 6/30/00) 1.Macro Development 2.Reconfigurations Phase 2 (7/1/00 – 12/31/00) 3.NUV Timetag Mode + Darks 4.FUV Timetag Mode + Darks Phase 3 (1/1/01 – 6/30/01) 5.FUV & NUV Accumulation Science Exposures 6.FUV & NUV Target Acquisition Exposures 7.FUV & NUV Target Peakup Exposures Phase 4 (7/1/01 – 12/31/01) 8.Aperture Alignment Exposures 9.OSM1 Focus Alignment Exposures 10.OSM1 Rotation Alignment Exposures 11.OSM2 Rotation Alignment Exposures 12. FUV & NUV FP-Split Exposures Phase 5 (1/1/02 – 6/30/02) 13.FUV & NUV GO Wavelength Calibration Exposures 14.FUV & NUV Flat Field Lamp Calibration Exposures 15.FUV & NUV Automatic Wavelength Calibration Exposures 16.SAA Contours Phase 6 (7/1/02 – 12/31/02) 17.FUV & NUV BOP Target Screening Phase 7 (1/1/03 – 6/30/03) 18.FUV & NUV Flat Field Lamp Re-work 19.Coordinated Parallels Phase 8 (7/1/03 – 12/31/03) 20.OSM Heating Avoidance (if needed) 21.SMGT Preparations 22.SMOV Special Commanding 23.FUV & NUV Anomalous Recovery 24.FUV & NUV Initial Turn-on Phase 9 (1/1/04 – 6/30/04) 25.TRANS ovratalstart, ovratalend Phase 10 (7/1/04 – 12/31/04) 26.FUV & NUV Lifetime Adjustments