Hi-PEEC, Hubble imaging Probe of Extreme Environments and Clusters

0 Assigned ID: 401 ----- Attempting Submission 1 (Fri Apr 10 07:55:04 GMT 2015) ----- HST Phase I Proposal 401 (APT_section1.apt.2015_04_09_14_40.aptbackup.apt) successfully submitted. Receipt: # 401-1 ----- Attempting Submission 2 (Fri Apr 10 20:08:42 GMT 2015) ----- Please do not hesitate to contact me if any improvement can be done to the current phase2. I have changed in some cases the center of the targets to fit the correct position on the chip. Let me know if this approach is not correct. Note: The comments above still apply -88042309 ----- Attempting Submission 1 (Tue Jul 21 21:17:20 GMT 2015) ----- ----- Attempting Submission 2 (Thu Oct 29 12:41:23 GMT 2015) ----- Hi-PEEC, Hubble imaging Probe of Extreme Environments and Clusters Starburst events play a major role in shaping the stellar content of galaxies at high redshift, due to the strongly enhanced gas fractions and merger rates in comparison to present-day galaxies. The fossils of those starburst episodes, the globular clusters (GCs), are outstanding witnesses to the dramatic changes that occurred in their host galaxies. To understand and interpret the rapid evolution occurring in starbursts at any redshift, we need to probe how the intensified duty cycle of gas consumption changes the nature of young massive cluster (YMC) populations. We therefore propose Hi-PEEC, an UV-optical study of YMCs in a uniquely accessible sample of 6 starbursts located in the nearby (D<80 Mpc) universe. Our targets have star formation rates higher than or comparable to the Antennae, and rich cluster populations. Monte Carlo simulations, including realistic assumptions of recent burst events and extinction gradients, prove our abilities to recover YMC properties (age, masses, extinction) inside the requested detection limits. We will be able to study the efficiency by which clusters form, the formation modes of the most massive clusters, their age and spatial distributions in mergers, as well as obtain insights into the recent star formation histories of the host galaxies. This proposal is aimed at unveiling the role of starburst environments in shaping the process of star and cluster formation. These studies will have important implications for our understanding of GC formation and will constitute a reference sample for future infrared-limited studies of the highly star-forming and heavily extinguished counterpart galaxies with the JWST. Three different patterns, 4-points, 3-points, 2-points, have been used trhoughout the visits. The offsets of each pattern are given in the POS TARG keyword. The offsets have been chosen to take into account the: 1)gap between the chips (1.2 arcsec); 2)subsampling of the PSF (half pixel or a third of a pixel shift have been included if the pattern is a multiple of 2 or 3, respectively) 3)remove droplets (shift of 4 arcsec required). The standard 4-pointing pattern has the following coordinate in arcsec: (0,0), (-3.69,1.31), (-2.5, -2.44), (1.19,-3.75) The standard 3-pointing pattern is: (0,0), (1.34,3.94), (-1.34, -3.94) The 2-pointing pattern: (0,0), (1.44, 4.04) Extra offsets have been added if the target is placed off of the UVIS-FIX, UVIS1-FIX, UVIS2-FIX position. Usually the main body of the galaxy has been plaves in the UVIS1 chip. The tidal tails are in the UVIS2 chip, more sensitive in the UV, and therefore, optimal to detect clusters in these low surface density structures. ii) The length of the single exposure has been optimized taking into account that the blue filters and the narrow band one have lower background and required higher post-flash. Therefore one can see that the single exposures of these filters when possible can reach 1100 sec lenght. This length has been used only if at least 4 of such exposures could be taken per single filter. iii) The position and orientation of the field of view has been mostly based on: 1) including as many as possible of the tidal tails visible at low surface brightness (see images included at the end of this document); 2) avoiding having bright stars at the corner of the quadrants to prevent 8-shape ghost from appearing close to the target or on top of the tidal features; 3) avoiding having bright stars outside of the edges of the chips and closer than 20 arcsec because could cause dragon breath of the frames. In some cases the target visibility is quite reduced by the choice of the orient, any suggestion for improvement of the visibility of the target i very welcome. UNRESOLVED STELLAR POPULATIONS AND GALAXY STRUCTURE 12 false false false false SUPPORTED GALAXY INTERACTING GALAXY STAR FORMING REGION STARBURST ULTRALUMINOUS IR GAL YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 GALAXY INTERACTING GALAXY STAR FORMING REGION STARBURST ULTRALUMINOUS IR GAL YES This object was generated by the targetselector and retrieved from the NED database.This object was generated by the targetselector and retrieved from the NED database. J2000 J2000 GALAXY INTERACTING GALAXY STAR FORMING REGION STARBURST ULTRALUMINOUS IR GAL YES This object was generated by the targetselector and retrieved from the NED database. J2000 J2000 GALAXY INTERACTING GALAXY STAR FORMING REGION STARBURST ULTRALUMINOUS IR GAL YES This object was generated by the targetselector and retrieved from the NED database. J2000 J2000 GALAXY INTERACTING GALAXY STAR FORMING REGION STARBURST YES This object was generated by the targetselector and retrieved from the NED database. J2000 J2000 GALAXY INTERACTING GALAXY STARBURST YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 WFC3/UVIS Imaging No No F336W WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N WFC3/UVIS Imaging No No F336W WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N WFC3/UVIS Imaging No No F336W WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N WFC3/UVIS Imaging No No F336W WFC3/UVIS Imaging No No F438W WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N WFC3/UVIS Imaging No No F814W WFC3/UVIS Imaging No No F336W WFC3/UVIS Imaging No No F438W WFC3/UVIS Imaging No No F555W WFC3/UVIS Imaging No No F665N 1446122411917 The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. /private/var/folders/ry/9by0q52s1bz729y9h3c3rf080000gn/T/OPVisit3535119838261204518.xml (Tic-Visit :proposal-id 14066 :visit-id "01" :proposal-version -1 :trans-version "20150609" :date "29-Oct-2015 13:40:10.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 5 :saa-model "29" :si-bright-earth-limb-angle 20.0 :data-volume 4619936 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14066 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14066 :visit-id "01" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2885 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3218 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "01" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2996 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3218 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "01" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2996 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3218 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "01" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2996 :al-overhead-at-end 122 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3218 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "01" :orbit-number 5 :pcs-time 222 :si-vis-utilization 2996 :al-overhead-at-end 116 :internal-dur-at-end 668 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3218 :pcs-gap 0 ) true 5 0 1446122422778 The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. /private/var/folders/ry/9by0q52s1bz729y9h3c3rf080000gn/T/OPVisit4708717641732616815.xml (Tic-Visit :proposal-id 14066 :visit-id "02" :proposal-version -1 :trans-version "20150609" :date "29-Oct-2015 13:40:14.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "29" :si-bright-earth-limb-angle 20.0 :data-volume 3464960 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14066 :visit-id "02" :obset-id "02" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14066 :visit-id "02" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2879 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3213 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "02" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2989 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3213 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "02" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2989 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3213 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "02" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2991 :al-overhead-at-end 122 :internal-dur-at-end 352 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3213 :pcs-gap 0 ) true 4 0 1446122426284 The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. /private/var/folders/ry/9by0q52s1bz729y9h3c3rf080000gn/T/OPVisit3454017453893417135.xml (Tic-Visit :proposal-id 14066 :visit-id "03" :proposal-version -1 :trans-version "20150609" :date "29-Oct-2015 13:40:23.0" :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 1443744 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14066 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14066 :visit-id "03" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3123 :al-overhead-at-end 122 :internal-dur-at-end 668 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3456 :pcs-gap 0 ) true 1 0 1446122290261 /private/var/folders/ry/9by0q52s1bz729y9h3c3rf080000gn/T/OPVisit1079621251524614799.xml The scheduling data was generated by CASM 23.2. CASM was run in Phase II mode. (Tic-Visit :proposal-id 14066 :visit-id "04" :proposal-version -1 :trans-version "20150609" :date "29-Oct-2015 13:38:09.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "29" :si-bright-earth-limb-angle 20.0 :data-volume 4042448 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14066 :visit-id "04" :obset-id "04" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14066 :visit-id "04" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2934 :al-overhead-at-end 120 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3267 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "04" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3045 :al-overhead-at-end 120 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3267 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "04" :orbit-number 3 :pcs-time 222 :si-vis-utilization 3045 :al-overhead-at-end 116 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3267 :pcs-gap 0 ) (Tic-Orbit :proposal-id 14066 :visit-id "04" :orbit-number 4 :pcs-time 222 :si-vis-utilization 3045 :al-overhead-at-end 122 :internal-dur-at-end 668 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3267 :pcs-gap 0 ) true 4 0 1446122432962 The scheduling data was generated by CASM 23.2. 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