0 Assigned ID: 1092 ----- Attempting Submission 1 (Fri Apr 08 23:57:53 GMT 2016) ----- this is the visit planner error again Dear Alison, Please find attached a final phaseII for 14805. This is for a second observation of the target observed during Cycle24. We have asked for the same orient so that image subtraction is optimal. Thanks, Andrew -487387931 ----- Attempting Submission 1 (Wed Jul 20 14:11:55 GMT 2016) ----- ----- Attempting Submission 2 (Wed May 17 14:54:49 GMT 2017) ----- ----- Attempting Submission 3 (Mon Oct 02 15:43:02 GMT 2017) ----- A rapid search for the counterpart to an active magnetar We propose to obtain a fast response observation of a magnetar undergoing an active period. Utilizing rapid, deep, diffraction limited observations with WFC3 we will maximize the chances of obtaining the IR detection of the magnetar. This in turn yields unique constraints on emission mechanisms, enables the measurement of dynamics (e.g. via proper motion) and can associate the magnetar with a given structure (e.g. young cluster or supernova remnant) in the galaxy. The association with a cluster provides means of measuring the stellar age, in turn informing the stellar properties (e.g. mass) of the magnetar progenitors. We have demonstrated the success of this approach with the detection of the counterpart of SGR 1935+2154 with a magnitude (during bursting activity) of F140W(AB)~25.5, a level extremely challenging to detect variability in from the ground, requiring multiple nights of adaptive optics imaging in typical conditions. Indeed, our observations will be senstive to counterparts significantly fainter than it is possible to detect from any ground based observatory. These observations will allow us to break through the observational barrier that has so far prevented us from detecting counterparts to more than two-thirds of magnetar candidates. With these observations we will construct a fuller picture of magnetars, the routes to their creation, and their role as cosmic engines across the Universe. This proposal is for rapid ToO observations of an active magnetar. The set-up is relatively simple. We will obtain deep F140W observations of one orbit duration, with two epochs separated by >6 months to search for variability. At each epoch we will obtain an identical sequence of 4x600s F140W observations with a standard 4-point dither pattern. We will time our second epoch such that the observations take place at a roll angle 0,90,180,270 from the initial observations so that diffraction spikes in crowded fields overlay eachother. Stellar Physics 6 false false false false false false SUPPORTED EXT-STAR PULSAR J2000 WFC3/IR Imaging No No F140W WFC3/IR Imaging No No F140W POS-TARG DITHER 0.572 LINE 0.365 false false 74.653 4 18.528 WFC3-IR-DITHER-BOX-MIN 1 false The scheduling data was generated by CASM 25.2. CASM was run in Phase II mode. /private/var/folders/8d/jkscrd891rl041p94sl_wts40000gn/T/OPVisit2428952739568151385.xml 1495309058000 342.0 (Tic-Visit :proposal-id 14805 :visit-id "01" :proposal-version -1 :trans-version "20170613" :date "02-Oct-2017 16:39:37.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 905248 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14805 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14805 :visit-id "01" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2624 :al-overhead-at-end 0 :internal-dur-at-end 671 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 2993 :pcs-gap 0 ) true 1 0 Awaiting SGRB trigger The scheduling data was generated by CASM 25.2. CASM was run in Phase II mode. /private/var/folders/8d/jkscrd891rl041p94sl_wts40000gn/T/OPVisit7649150081928263395.xml (Tic-Visit :proposal-id 14805 :visit-id "02" :proposal-version -1 :trans-version "20170613" :date "02-Oct-2017 16:41:05.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 905248 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 14805 :visit-id "02" :obset-id "02" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 14805 :visit-id "02" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2624 :al-overhead-at-end 0 :internal-dur-at-end 671 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 2993 :pcs-gap 0 ) true 1 0 Awaiting SGRB trigger