| Data Acquisition Date (2005) | DOY(s) of downlink | Activity | Data types | Target(s) | Purpose | Comments | |||
|---|---|---|---|---|---|---|---|---|---|
| HRIVIS | MRIVIS | IR | ITS | ||||||
| 1/12 | Launch | ||||||||
| 1/14 | 15, 16 | Quick instrument alignment and engineering checkout | Stars, darks, STIMs | Stars, darks, STIMs | Darks | Darks, STIMs | NGC3532 | Engineering validation of operability, alignment, psf | All instruments operational with good relative alignment. Noted HRIVIS to be out of focus. |
| 1/16 | 17, 18 | Earth/Moon calibration | Darks, Moon, Earth | Darks, Moon, Earth | Darks, Moon, Earth | Earth, Moon | Radiometry, focus | Incorrect lunar exposures caused some saturation, most IR data saturated due to insufficient cooling of instrument bench, larger than expected pointing errors due to insufficient settling time allocation with the slow ADCS convergence algorithm employed for launch. | |
| 1/25 | 26, 27 | MRI straylight and Moon radiometry calibration | Darks, Moon | Moon | Radiometry, scattered light | MRI turned off by onboard fault protection shortly after sequence initiation due to requested exposure time in excess of 5 minutes. | |||
| 1/26 | 27, 28 | Flyby autonav Moon test | Moon | Moon | Moon | Autonav test | Clear filter only | ||
| 1/28 | 29 | MRI straylight and Moon radiometry calibration (re-run) | Darks, Moon, Earth | Darks, Moon, Earth | Darks, Moon, Earth | Earth, Moon | Radiometry, focus | Good data | |
| 1/29 | 30 | IR radiometry and scattered light calibration and HRI focus test | Moon, star | Moon, star | Moon | Moon, iCar | Radiometry, scattered light, focus | IR scattered light test revealed error in data compression lookup tables (data degraded), IR bench still warmer than desired resulting in elevated background levels and noise, IR flat field only partially successful due to timing mismatch in the sequence, star imagery successful. | |
| 2/4 | 36 | IR radiometry and scattered light calibration and HRI focus test (rerun) | Moon, star | Moon, star | Moon | Moon, iCar | Radiometry, scattered light, focus | Obtained good IR flats, IR compression LUTs still incorrect, Moon only 58° from the Sun resulted in heating of HRI telescope baffle and excess 5-mm signal | |
| 2/5 | 37 | Flyby autonav Jupiter test | Jupiter | Jupiter | Jupiter | Autonav encounter test | Clear filter only | ||
| 2/15 | 46 | HRIVIS focus diagnostics (aka "ghost test") | Star | Star | Canopus | Determine focal plane position | Long exposures through all filters to bring up ghost image from reflection off filter surface, also "knife-edge" images with filter aperture partially obscuring image beam, HRI bakeout heaters on. | ||
| 2/18 | 50 | Impactor checkout | Star | Background stars at cruise attitude | Test ITS image quality | Good performance verified | |||
| 2/21 | 52, 53 | HRIVIS ghost test #2 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 2/22 | 55 | ITS quick alignment check | Stars | NGC3532 | Engineering validation of alignment and psf | Successful |
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| Data Acquisition Date (2005) | DOY(s) of downlink | Activity | Data types | Target(s) | Purpose | Comments | |||
|---|---|---|---|---|---|---|---|---|---|
| HRIVIS | MRIVIS | IR | ITS | ||||||
| 3/2 | 62 | MRI straylight and geometric calibration and precise alignment determination | Stars | NGC3114, various rich fields, encounter attitude star background | Engineering validation of focal length, geometric distortion, psf, and alignment | Successful, clear filter only | |||
| 3/8 | 67 | HRIVIS ghost test #3 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/11 | 70 | HRIVIS ghost test #4 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/13 | 72 | HRIVIS ghost test #5 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/15 | 74 | HRIVIS ghost test #6 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/17 | 76 | HRIVIS ghost test #7 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/17 | 76 | HRIVIS ghost test #8 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/18 | 78 | HRIVIS ghost test #9 | Star | Star | Canopus | Observe focus as a function of bakeout | |||
| 3/21 | 81 | HGA "jitter" test | Star | Pointed to RA 159.0658 DEC 58.2708 | See effects of the HGA tracking the Earth during encounter attitude maneuver on image smear | Smear observed was minimal | |||
| 3/24 | 83 | Encounter validation | Darks | Darks | Darks | None | Validate downlink to be used on encounter day | ||
| 3/31 | 91 | MRI opnav photocal | Darks, stars | 21 standard stars | Determine MRI response to stars of various types | Clear filter only | |||
| 4/5 -4/8 | 95 -99, 119, 123 | April science calibration | Stars, clusters, darks, STIMs | Stars, clusters, darks, STIMs | Stars, clusters, darks | Stars, clusters, darks, STIMs | Achernar, iCar, 16CygA, Vega, Canopus, bet Hyi, HD60753, Sirius, NGC6543, M11, NGC3114, IC2391 | Radiometry, focal length, geometric distortion, psf | The clusters and planetary nebula were not detectable with the IR, the ITS images were mostly mispointed due to a sequencing error (got a few of M11 and some over-exposed Vega images useful for crosstalk characterization), good stellar radiometry data in all filters (except for ITS), good IR and VIS linearity data, good geometric data for HRIVIS and MRIVIS |
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| Data Acquisition Date (2005) | DOY(s) of downlink | Activity | Data types | Target(s) | Purpose | Comments | |||
|---|---|---|---|---|---|---|---|---|---|
| HRIVIS | MRIVIS | IR | ITS | ||||||
| 4/18 | 109 | HRIVIS straylight, HRI/MRI alignment | Darks, stars | Stars | NGC3114 and encounter attitude star background | Engineering validation; ADCS attitude knowledge characterization | Clear filter only; ADCS test failed due to setup errors | ||
| 4/23 | 113, 114 | HRIVIS straylight, HRI/MRI alignment (rerun) | Darks, stars | Stars | NGC3114 and encounter attitude star background | Engineering validation; ADCS attitude knowledge characterization | Clear filter only | ||
| 4/27 -4/28 | 118 | HRIVIS/IR straylight | Star, darks, STIMs | Star, STIMs | Star, darks | Canopus | Straylight calibration and ADC performance | Successful | |
| 4/30 | 120,121 | ITS autonav Saturn test | Saturn | Saturn | Autonav ITS encounter test | Successful | |||
| 5/6 | 126,127 | ITS straylight & alignment | Stars | Encounter attitude star backgrounds | Navigation test | Successful; no apparent straylight in ITS at encounter attitude | |||
| 5/10 -5/13 | 130 -136 | May science calibration | Stars, clusters, darks, STIMs | Stars, clusters, darks, STIMs | Stars, clusters, darks | Stars, clusters, darks, STIMs | Achernar, iCar, 16CygA, Vega, Canopus, bet Hyi, HD60753, Sirius, 47Tuc, NGC3114, NGC7027 | Radiometry, focal length, geometric distortion, psf, VIS crosstalk, IR alignment | Obtained first good ITS calibration, good crosstalk data, measured IR alignment, obtained IR geometric distortion data over half the slit with 47Tuc, missed IR coverage of NGC7027 and 16CygA due to pointing errors (did cover 16CygB), incomplete IR coverage of Sirius due to use of wrong scan rate, good radiometry and linearity data, good VIS geometric data. |
| 5/21 -5/24 | 145 | ITS/ADCS attitude estimation | Stars | NGC3114 | Navigation test | Successful | |||
| 5/28 | 148 | LUT checkouts | Darks, STIMs | Darks, STIMs | Darks | Darks, STIMs | None | Verify updated LUTs | New IR LUTs were still incorrect; VIS LUTs good. |
| 6/3 | 153 | ITS/ADCS attitude estimation | Stars | NGC3114 | Re-run of DOY 145 test to verify repeatability | Successful | |||
| 6/3 | 154 | MRI/HRI engineering images | Stars | Stars | Cruise attitude star background | Autonav test to characterize cosmic rays and hot pixels | No hot pixels found | ||
| 6/7 -6/9 | 158 161, 163, 169 | June science calibration | Stars, clusters, darks, STIMs | Stars, clusters, darks, STIMs | Stars, clusters, darks | Stars, clusters, darks, STIMs | Achernar, iCar, 16CygA, Vega, Canopus, bet Hyi, HD60753, 47Tuc, NGC3114, NGC7027 | Radiometry, focal length, geometric distortion, psf, VIS crosstalk, IR alignment | Good radiometry, geometry, linearity, crosstalk data, covered other half of IR slit with 47Tuc, lost MRI data of 47Tuc, Canopus, and Achernar plus most of betHyi and 2 dark frames when camera fault protection turned it off, missed IR unbinned scans of NGC7027 due to erroneous zero scan rate in sequence (got binned-mode scan). |
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| Data Acquisition Date (2005) | DOY(s) of downlink | Activity | Data types | Target(s) | Purpose | Comments | |||
|---|---|---|---|---|---|---|---|---|---|
| HRIVIS | MRIVIS | IR | ITS | ||||||
| 6/10 | 164 | Autonav ITS engineering test | Stars | Cruise attitude star background | Autonav test to characterize image quality, cosmic rays and hot pixels | No hot pixels found, representative sample of cosmic rays | |||
| 6/14 | 165 | Minical | Star, darks | Stars | Star, darks | 16CygA, NGC7027 | HRI psf, IR response at encounter temperature | Good dithered HRI psf images, IR unbinned scan of NGC7027. | |
| 6/16 | 167 | IR LUT update checkout | Darks | None | Verify corrected IR compression LUTs | Verified to be correct. | |||
| 6/19 | 170 | Autonav HRI/MRI engineering test | Stars | Stars | Cruise attitude star background | Autonav test of image quality and hot pixels | No hot pixels found | ||
| 6/25 | 178 | Impactor checkout | Stars | Cruise attitude star background | Engineering validation | ||||
| 6/27 -7/3 | 179 -183 | ITS engineering checkout | Stars | Cruise attitude star background | Navigation test of image quality and hot pixels | No hot pixels found | |||
| 7/2 | 183 | Minical | Star, darks | Stars | Star, darks | 16CygA, NGC7027 | HRI psf, IR response at encounter temperature | Good dithered HRI psf images, IR unbinned scan of NGC7027. | |
| 7/3 | 184 | Encounter dark frames | Darks, STIMs | Darks, STIMs | Darks | Darks | None | Final dark/STIM data before encounter | Data acquired successfully |
| 7/6 -7/8 | 188 -190 | Post-encounter calibration | Stars, clusters, darks, STIMs | Stars, clusters, darks, STIMs | Stars, clusters, darks | Achernar, iCar, 16CygA, Vega, Canopus, bet Hyi, 47Tuc, NGC3114, NGC7027 | Radiometry, focal length, geometric distortion, psf, VIS crosstalk, IR alignment | Good radiometry, geometry, linearity data, covered both halves of IR slit with 47Tuc. | |
| 7/9 | 190 | Minical | Star, darks | Stars | Star, darks | 16CygA, NGC7027 | HRI psf, IR response at encounter temperature | Good dithered HRI psf images, IR scans. | |
| 7/13 -7/14 | 195 | Additional HRIVIS STIMs | STIMs, darks | Improve HRIVIS flat field | Successful |
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