We propose to obtain WFC3 F390W imaging of the super-group 1120-1202 that, combined with our existing ACS F814W mosaic, will provide the first high resolution color maps of >150 confirmed group galaxies at z~0.37. SG1120 is composed of 4 distinct groups collapsing into a Coma-like cluster, thus SG1120 is a unique laboratory for pinpointing where star formation in individual galaxies is triggered/quenched and identifying the driving physical mechanism. SG1120 members include major mergers, infalling galaxies, >50 IR-bright members, multiple Active Galactic Nuclei (AGN), and ~30 star-forming members with broad optical line-widths corresponding to velocities of 200-2000 km/s. SG1120's diverse population makes it particularly well-suited for tracing the interplay between environment, star formation, AGN, gas outflows, and morphological evolution. Only WFC3 F390W provides the blue wavelength coverage and high spatial resolution needed to (1) resolve compact star-forming regions; (2) separate colors of the bulge/disk components; and (3) measure color gradients, and so test for differences in stellar age due to a variety of models proposed to drive galaxy transformation. Two WFC3/F390W mosaics (2x3) each centered at a different point in the super-galaxy group. The mosaics are taken at different orientations to maximize overlap of target by the parallel ACS/F606W pointings. Specific ranges on roll angles required to ensure that the mosaics cover individual galaxies targeted for follow-up (this was requested in the original Phase 1 proposal). UNRESOLVED STELLAR POPULATIONS AND GALAXY STRUCTURE 12 false 0.0 0.0 false false false false SUPPORTED CLUSTER OF GALAXIES GROUP J2000 J2000 CLUSTER OF GALAXIES GROUP J2000 J2000 WFC3/UVIS Imaging No No F390W ACS/WFC Imaging No No F606W WFC3/UVIS Imaging No No F390W ACS/WFC Imaging No No F606W POS-TARG MOSAIC DITHER 4 2.414 WFC3-UVIS-DITHER-BOX false 81.785 true 0.112 0.173 3 85.759 POS-TARG WFC3-UVIS-GAP-LINE 23.884 1 false POS-TARG DITHER 2 LINE false false 3 46.84 WFC3-UVIS-DITHER-LINE-3PT 2 false Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1326069894000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "01" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:14.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "01" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1326729090000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "13" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:15.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "13" :obset-id "13" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "13" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1325466497000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "14" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:16.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "14" :obset-id "14" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "14" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1326757838000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "15" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:17.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "15" :obset-id "15" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "15" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1326874800000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "16" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:18.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "16" :obset-id "16" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "16" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (01 13 14 15 16 17) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1326884733000 302.0 (Tic-Visit :proposal-id 12470 :visit-id "17" :proposal-version -1 :trans-version "20110509" :date "07-Jul-2011 18:16:19.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "17" :obset-id "17" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "17" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1019 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336551685000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "07" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:13.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "07" :obset-id "07" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "07" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336677243000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "18" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:15.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "18" :obset-id "18" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "18" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0 This is a HOPR repeat of visit 18. 1339710882000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "18" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:15.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "18" :obset-id "18" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "18" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 This is a HOPR repeat of visit 23. (Tic-Visit :proposal-id 12470 :visit-id "18" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:15.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "18" :obset-id "18" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "18" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336682989000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "19" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:16.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "19" :obset-id "19" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "19" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0 This is a HOPR repeat of visit 19. 1339716627000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "19" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:16.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "19" :obset-id "19" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "19" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 This is a HOPR repeat of visit 24. (Tic-Visit :proposal-id 12470 :visit-id "19" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:16.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "19" :obset-id "19" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "19" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336688736000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "20" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:17.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "20" :obset-id "20" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "20" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0 This is a HOPR repeat of visit 20. 1339647690000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "20" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:17.0" :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "20" :obset-id "20" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "20" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) false 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336734707000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "21" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:18.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "21" :obset-id "21" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "21" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0 Same orient constraint links visits (07 18 19 20 21 22) The scheduling data was generated by CASM 19.3. CASM was run in Phase II mode. 1336740453000 123.0 (Tic-Visit :proposal-id 12470 :visit-id "22" :proposal-version -1 :trans-version "20120312" :date "16-May-2012 09:58:20.0" :trans-errors '(:WARNINGS 1 :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 1718912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 12470 :visit-id "22" :obset-id "22" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 12470 :visit-id "22" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2910 :al-overhead-at-end 116 :internal-dur-at-end 1015 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3245 :pcs-gap 0 ) true 1 0