This is a DD proposal for an exciting new Main Belt comet that was
recently discovered: P/2013 R3.
*CoI Mutchler was missing from the previous submission.817779374Assigned ID: 2211
----- Attempting Submission 1 (Sat Oct 05 20:11:26 GMT 2013) -----
HST Phase I Proposal 2211 (P2013R3_DDT.apt) successfully submitted.
----- Attempting Submission 2 (Sat Oct 05 20:14:14 GMT 2013) -----changed the between on visit 1 to include the 301 week. Will run guide stars on a shorter
window to keep it as early as possible.
This is for a 5-orbit DD program on MBC P/2013 R3.
We request observations at 5 different epochs.
The activities for each epoch are identical:
take 3 WFC3/F350LP images at one location,
then take another 3 WFC3/F350LP images at a dithered location.
If possible, please expand the exp time for the final image of the orbit
to 348 sec.
Updated on 10/28/2013 to use new orbital elements (JPL #4) for
targets 2,3,4,5. No other changes were made.
Updated on 11/19/2013 to use new orbital elements (JPL #8) for
targets 3, 4, 5. No other changes were made.702577396----- Attempting Submission 1 (Fri Oct 11 17:23:08 GMT 2013) -----
----- Attempting Submission 2 (Fri Oct 11 18:14:56 GMT 2013) -----
----- Attempting Submission 3 (Mon Oct 28 13:55:13 GMT 2013) -----
----- Attempting Submission 4 (Wed Nov 20 03:31:57 GMT 2013) -----Hubble Investigation of the First Known, Multi-Fragment Main Belt Comet: P/2013 R3Comet-like object P/2013 R3, announced on 2013 Sept 27, is the latest of the newly discovered class of active asteroids (equivalently main-belt comets, MBCs). Observations with the Keck 10-m telescope on Oct 01 and 02 reveal that P/2013 R3 is a multiple object, with three co-moving components resolved at 1.0 arcsec resolution. Multiplicity has never before been seen in the MBCs and offers the opportunity to study internal dynamics in detail. We request five orbits of DD time to explore P/2013 R3 at resolutions and sensitivities only possible with Hubble, to search for fainter fragments and to determine the dynamics of the components. P/2013 R3 is a leading candidate for a body breaking up under rotational stresses (presumably induced by YORP radiation forces), and Hubble data will test this hypothesis by pin-pointing the dates of ejection of the fragments, their speeds, and their directions. Our Hubble MBC program has been remarkably successful in probing the activation triggers for this new class of objects, and our proposed program on P/2013 R3 will provide the first opportunity to track fragments associated with the activation event.TBDSOLAR SYSTEMDefaultfalsefalsefalsefalsefalseSUPPORTEDSOLAR SYSTEMJPL #2 solutionCOMETMBC-P2013R3TYPE=COMET,Q=2.204180285977825,E=0.2731088336618457,I=0.8991777757766721,O=342.6902297221328,W=8.35570687519,T=05-AUG-2013:12:02:32,TTimeScale=TDT,EQUINOX=J2000,EPOCH=26-SEP-2013,EpochTimeScale=TDTEARTHSOLAR SYSTEMJPL #4
solutionCOMETMBC-P2013R3TYPE=COMET,Q=2.202047382056731,E=0.2736476725132956,I=0.8978056165201912,O=342.6619734463128,W=8.222080560884772,T=05-AUG-2013:02:41:35,TTimeScale=TDT,EQUINOX=J2000,EPOCH=26-SEP-2013,EpochTimeScale=TDTEARTHSOLAR SYSTEMJPL #8 solutionCOMETMBC-P2013R3TYPE=COMET,Q=2.203592442866704,E=0.2734796901495439,I=0.8990305933678789,O=342.6873033223817,W=8.205805962554951,T=05-AUG-2013:01:43:58,TTimeScale=TDT,EQUINOX=J2000,EPOCH=08-OCT-2013,EpochTimeScale=TDTEARTHSOLAR SYSTEMJPL #8 solutionCOMETMBC-P2013R3TYPE=COMET,Q=2.203592442866704,E=0.2734796901495439,I=0.8990305933678789,O=342.6873033223817,W=8.205805962554951,T=05-AUG-2013:01:43:58,TTimeScale=TDT,EQUINOX=J2000,EPOCH=08-OCT-2013,EpochTimeScale=TDTEARTHSOLAR SYSTEMJPL #8 solutionCOMETMBC-P2013R3TYPE=COMET,Q=2.203592442866704,E=0.2734796901495439,I=0.8990305933678789,O=342.6873033223817,W=8.205805962554951,T=05-AUG-2013:01:43:58,TTimeScale=TDT,EQUINOX=J2000,EPOCH=08-OCT-2013,EpochTimeScale=TDTEARTHWFC3/UVISImagingNoNoF350LP52.5Using ephemeris for target 13612-01-P2013R3-EPOCH1ephemeris data for target 13612-01-P2013R3-EPOCH1 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 13.272 to 15.092. ephemeris interval: 13.304 to 15.305The scheduling data was generated by CASM 21.2.CASM was run in Phase II mode./private/var/folders/tb/q3zsbl1j6d3gvdw7h3dn3qmj9fwgz5/T/OPVisit9021860310482688604.xml138302807400072.3984570094957(Tic-Visit
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