ORBITAL VISIBILITY OVERRUN ORBITAL VISIBILITY OVERRUN ORBITAL VISIBILITY OVERRUN ORBITAL VISIBILITY OVERRUN This is the initial version of the phase 2 submission. -2030274914 ----- Attempting Submission 1 (Mon Sep 21 13:24:52 GMT 2015) ----- These are just 1s overruns into the low-sky limit. Deep X-ray Observations of 3 exceptional high-z clusters of galaxies We propose to obtain deep Chandra X-ray observations of 3 exceptional high-z (z>0.5) clusters of galaxies, which stand out as extremely X-ray luminous (L X-ray>>10^44 erg/s), relaxed cool-core clusters with evidence of X-ray cavities and a previous epoch of astrophysical feedback. This proposal will double the number of z>0.57 clusters with deep Chandra observations. The observations will significantly help in our understanding of the evolution and formation of massive clusters, the role of active galactic nuclei in astrophysical feedback and the distribution of metals in clusters at high-z, and will be used to place new constraints on the dark energy and cosmology. In summary, in just 425 ks, this proposal will advance several aspects of high-z clusters physics. In this joint Chandra+HST program the Chandra X-ray data are complemented with HST imaging in order to constrain the cluster masses and mass profiles using weak gravitational lensing. Two of the clusters already have the required HST imaging from earlier programs. Here we propose the missing observations for the third target. We propose to obtain a 2x2 ACS mosaic for the galaxy cluster SPT-CLJ2043-5035 in the F606W and F814W filters with small overlap between tiles. We propose separate visits for each tile, where observations will be conducted for each filter for one orbit, split into 4 exposures (with the default dither box) to facilitate cosmic ray removal. We request low sky conditions in order to maximize the signal-to-noise ratio in the weak lensing shape measurements. In principle our science analysis does not place requirements on the orientation of the mosaic. However, we request to exclude orientations within +-20 degrees of (55+n*90) degrees to ensure that a V=10.5 star (SCAU000416) is well outside the field of view. Otherwise its scattered light would likely compromise the weak lensing shape measurements locally. 12 false false false false SUPPORTED CLUSTER OF GALAXIES GRAVITATIONAL LENS HIGH REDSHIFT CLUSTER YES J2000 POS-TARG DITHER 0.265 LINE 0.187 false false 69.05 4 20.67 ACS-WFC-DITHER-BOX 1 false /vol/aibn233/data1/schrabba/script_develop/notes/hst/phase2/OP-cache/c23_julie-v01.xml Hst Same orient constraint links visits (01 02 03 04) The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. (Tic-Visit :proposal-id 14352 :visit-id "01" :proposal-version -1 :trans-version "20150609" :date "16-Sep-2015 10:09:41.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 40.0 :data-volume 2273792 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14352 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14352 :visit-id "01" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2626 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) (Tic-Orbit :proposal-id 14352 :visit-id "01" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2627 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) true 2 0 /vol/aibn233/data1/schrabba/script_develop/notes/hst/phase2/OP-cache/c23_julie-v02.xml Hst Same orient constraint links visits (01 02 03 04) The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. 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CASM was run in Phase II mode. (Tic-Visit :proposal-id 14352 :visit-id "03" :proposal-version -1 :trans-version "20150609" :date "16-Sep-2015 10:09:47.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 40.0 :data-volume 2273792 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14352 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14352 :visit-id "03" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2626 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) (Tic-Orbit :proposal-id 14352 :visit-id "03" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2627 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) true 2 0 /vol/aibn233/data1/schrabba/script_develop/notes/hst/phase2/OP-cache/c23_julie-v04.xml Hst Same orient constraint links visits (01 02 03 04) The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. (Tic-Visit :proposal-id 14352 :visit-id "04" :proposal-version -1 :trans-version "20150609" :date "16-Sep-2015 10:09:50.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 40.0 :data-volume 2273792 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14352 :visit-id "04" :obset-id "04" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14352 :visit-id "04" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2626 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) (Tic-Orbit :proposal-id 14352 :visit-id "04" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2627 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3053 :pcs-gap 427 ) true 2 0