Assigned ID: 2011
----- Attempting Submission 1 (Fri Jun 04 17:01:55 GMT 2010) -----
HST Phase I Proposal 2011 (asimon_dd2_cyc17.apt) successfully submitted.first phase II submission. filter F343N was added to make use of unused visibility. the
purpose is to better constrain the color of any impact debris, which is one of the main
goals stated in the phase I.----- Attempting Submission 1 (Fri Jun 04 21:38:51 GMT 2010) -----Rapid Response: Unexpected Jupiter ImpactOn 3 June 2010, amateur astronomers A. Wesley and C. Go independently captured observations of an impact on Jupiter: the bright flash of an impact itself, not the dark aftermath as seen in 2009. This event was completely unexpected given the recent impact in 2009, and contradicts recently revised predictions of jovian impact rates. Three circumstances make this 2009 event unique: first, the event was captured on video; second, it was on the jovian day-side and hence fully visible from Earth; and third, it was at low latitude (i.e., favorably placed on the planet). These factors will permit a lightcurve to be extracted, which is critical for determining the energy of the explosion and hence the size of the impacting body (not available for the 2009 event and available for only a few 1994 events by Galileo). As of this writing, no dark impact site has been detected with telescopes of any aperture, including the Gemini North telescope. Hubble may be the only facility with high enough spatial resolution to detect the 2010 impact site. If Hubble images show a site, then the body's trajectory might be obtainable. If no site is detected, then Hubble will confirm that this is the first observation of a meteor on another atmosphere-bearing planet. If an event of this size occurred on Earth, it would be likely be termed a Type 1 Low-Altitude Airburst, like Tunguska or larger. Thus, this new event could become the best-observed analogue of a terrestrial airburst of the size that dominates the impact threat to humans. The observations we propose should provide independent constraints on penetration depth and atmospheric effects. This data will strongly inform our understanding of terrestrial airbursts and allow better quantification of the associated threat. We request a single orbit to image the impact latitude on the planet's central meridian. Of critical importance are Hubble's unique UV sensitivity (critical for assessing aspects of the 2009 impact, and not obtainable from any ground-based facility) and Hubble's high spatial resolution (also not obtainable in the visible form any ground-based telescope).We use 2K x 2K subarrays in quadrant A to take a series of images of Jupiter in multiple filters, including FQ889N, which MUST be in quadrant A. The other frames use the same pointing to minimize observatory overhead. Jupiter fits easily within the 2K x 2K subarray; larger array readouts would reduce the number of available exposures due to the WFC3 buffer dump overhead.
Two windows were identified for Sunday 6 June: 06:41 and 16:37 UT. We prefer the window at 16:37 because it has a longer visibility. No timing constraints (other than avoiding transits by Galilean satellites) have been included in the proposal.SOLAR SYSTEM0false0.00.0falsefalsefalsefalsefalsefalseSUPPORTEDSOLAR SYSTEMPLANET2010 impact siteSTD=JUPITERTYPE=PGRAPHIC,LONG=159,LAT=-16,ALT=0NOT TRANSIT OF IO ACROSS JUPITER FROM EARTH,
NOT TRANSIT OF EUROPA ACROSS JUPITER FROM EARTH,
NOT TRANSIT OF GANYMEDE ACROSS JUPITER FROM EARTH,
NOT TRANSIT OF CALLISTO ACROSS JUPITER FROM EARTHEARTHWFC3/UVISImagingNoNoF225WWFC3/UVISImagingNoNoF275WWFC3/UVISImagingNoNoFQ437NWFC3/UVISImagingNoNoFQ508NWFC3/UVISImagingNoNoFQ634NWFC3/UVISImagingNoNoFQ889NWFC3/UVISImagingNoNoFQ750N/private/tmp/OPVisit44152.xmlUsing ephemeris for target 12119-01-JUPITER-IMPACTephemeris data for target 12119-01-JUPITER-IMPACT does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 08.245 to 11.152. ephemeris interval: 10.151 to 12.153The scheduling data was generated by CASM 18.3.1.CASM was run in Phase II mode.(Tic-Visit
:proposal-id 12119
:visit-id "01"
:proposal-version -1
:trans-version "20100505"
:date "04-Jun-2010 14:34:31.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "29"
:si-bright-earth-limb-angle 20.0
:data-volume 703888
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 12119
:visit-id "01"
:obset-id "01"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 12119
:visit-id "01"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2482
:al-overhead-at-end 0
:internal-dur-at-end 654
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3234
:pcs-gap 0
)true10