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061609_PMB_STUC.ppt 1
Hubble Servicing Mission 4 Highlights and Status
Presentation to
Space Telescope User’s Committee
June 16, 2009Presented by:Preston M. BurchDavid S. Leckrone061609_PMB_STUC.ppt
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• WFC3
• COS
• ACS Repair
• STIS Repair
• Instrument Command & Data Handling System
• Gyroscopes
• Batteries
• FGS
• NOBLs
• Soft Capture Mechanism
SM4 Mission OverviewSM4 Mission Overview
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061609_PMB_STUC.ppt 3
HST SM4 EVA Timeline
Notes:1. At the end of ACS Part I, two cards have been removed.2. Aft shroud door open/close for –V2 doors is shorter than for the other doors due to the LOCKs being installed.3. Due to time limitations and mission priorities, ACS Part II is not shown in the timeline since one instrument repair and replacing FGS2
is higher priority than two instrument repairs. ACS Part I task is scheduled to support contingency completion of ACS repair on EVA 5 in the event that the STIS repair is not successful. In that case, FGS would be deleted from EVA 5 and replaced with ACS Part II.
4. If ACS Part II is added to EVA 5, the total task duration for that block would be 2:15. It would be performed after the Bay 3 battery module. The entire EVA would be executed at –V3 forward and would be 6:00.
5. In order to complete ACS during EVA 3, the EVA would have to be extended past 6:30, by as much as 55-60 minutes.061609_PMB_STUC.ppt 3
Hubble Space Telescope Program
Goddard Space Flight Center
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061609_PMB_STUC.ppt 4
Cosmic Origins Spectrograph
Wide Field Camera 3
Fine Guidance Sensor
Rate Sensor Units
Batteries
Flight Support System
Super Lightweight Interchangeable
Carrier
Orbital Replacement Unit Carrier
Multi-use Logistic
Equipment Carrier
Soft Capture Mechanism
IMAX
SI/C&DH
HST Servicing Mission 4 (SM4) Configuration
061609_PMB_STUC.ppt 4
Hubble Space Telescope Program
Goddard Space Flight Center
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061609_PMB_STUC.ppt 37
MISSION GOAL: When the astronauts leave Hubble for the last time, it will be at the apex of its capabilities - better than it has ever been before.
WFC3 + ACS + NICMOS = Most powerful imaging ever
COS + STIS = Full set of tools for astrophysics
The life story of galaxies
The architecture of the universe
Recipes for building planets
The mysteries of dark matter and dark energy
The birth and death of stars
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061609_PMB_STUC.ppt 38061609_PMB_STUC.ppt 38
Hubble Space Telescope Program
Goddard Space Flight CenterServicing Mission Observatory Verification
Highlights (as of June 12, 2009)
• Cosmic Origins Spectrograph– Completed NUV activation on June 4 – COS-to-FGS Alignment / Coarse Focus conducted June 11, first COS/NUV
external target– FUV activation on-going
• Advanced Camera for Surveys– ACS/WFC CCD cross-talk test planned June 13. First external target
(barred spiral galaxy NGC 6217)– SBC general observer science begins next week
• Wide Field Camera 3– Activation started June 10 following the end of the bright Earth avoidance
period– UVIS and IR detector cool-down completed June 11– First UVIS/IR external target (M81) planned June 16
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061609_PMB_STUC.ppt 39061609_PMB_STUC.ppt 39
Hubble Space Telescope Program
Goddard Space Flight CenterServicing Mission Observatory Verification
Highlights (as of June 12, 2009) cont’d
• Space Telescope Imaging Spectrograph– CCD checkout completed, general observer science enabled
– FUV MAMA recovery completed
– NUV MAMA recovery in progress
• FGS-2R– Completed planned SMOV activities, final data analysis on-going
• Batteries, Gyros, and NOBLs working nominally
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061609_PMB_STUC.ppt 40
STIS SCIENCE ENABLE
ACS SBC SCI ENABLE
UVIS “EASY” SCI
ACS WFC SCI ENABLE
WFC3 IR “EASY” SCI ENABLE
COS FUV SCI ENABLE, NIC SCIENCE ENABLE (TBD)
WFC3 UVIS/IR “HARD “SCI ENABLE, COS NUV SCI ENABLEFGS2R2
GUIDING
SMOV4 EXTERNAL ORBITS & ENABLE DATES- Including EROs -
May 11, 2009 Launch -- Assumes 55 - 60 prime observing orbits per week
0
10
20
30
40
50
60
70
5/21
/13
5/26
/13
6/2/
13
6/9/
13
6/16
/13
6/23
/13
6/30
/13
7/7/
13
7/14
/13
7/21
/13
7/28
/13
8/4/
13
8/11
/13
8/18
/13
8/25
/13
9/1/
13
9/8/
13
9/15
/13
9/22
/13
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
SMOV WEEK
EROBEA PERIOD (1st 3 weeks)AVAILABLE SCIENCE ORBITSFGSPCSNICMOSSTISACSCOSWFC3
Note: NICMOS activities will be deferred pending early July attempt to restart the NCS
Hubble Space Telescope Program
061609_PMB_STUC.ppt 40
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061609_PMB_STUC.ppt 41061609_PMB_STUC.ppt 41
Hubble Space Telescope Program
Goddard Space Flight Center
-- Backup Charts --
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061609_PMB_STUC.ppt 42
High gain antenna
Aperture doorSecondary
mirror
Primary mirror
Equipment Section– Degraded MLI: Install
NOBLs on Bays 5, 7, 8 in SM4
Fine Guidance Sensors– FGS2R: degrading servo LED– FGS3: degrading bearings– Replace one FGS on SM4
Axial Scientific Instruments
– STIS, failed 8/04– STIS Repair on SM4– ACS CCD Imaging
failed 1/07– ACS Repair on SM4– Install COS on SM4
Rate Sensor Units– Gyros 2, 3, and 5 failed:
replace all 6 gyros on SM4
Solar Arrays
Batteries– Charge capacity trending downward;
replace all 6 batteries on SM4Radial Scientific Instrument
– Replace WFPC2 w/ WFC3 on SM4
SI/C&DH– Side-A failure: Replace
Side A&B on SM4
HST Spacecraft Health
061609_PMB_STUC.ppt 42
Hubble Space Telescope Program
Goddard Space Flight Center