0 Assigned ID: 1660 ----- Attempting Submission 1 (Fri Mar 01 19:18:04 GMT 2013) ----- HST Phase I Proposal 1660 (lensism.apt) successfully submitted. ----- Attempting Submission 2 (Fri Mar 01 21:15:50 GMT 2013) ----- 0 ----- Attempting Submission 1 (Sat Jun 22 22:57:04 GMT 2013) ----- HST Phase II Proposal 13283 (phaseii.apt) successfully submitted. ----- Attempting Submission 2 (Fri Jan 24 19:47:41 GMT 2014) ----- The inter-stellar medium (ISM) has been well studied in the Milky Way and nearby galaxies. However, less is known about ISM properties of cosmologically distant galaxies. We propose to study the ISM properties of moderate redshift galaxies using lens galaxies, and compare the measurements with the ISM evolution models. In particular, we plan to use COS to measure the gas column denisty through the damped Lyman_alpha absorption system of the lens B1152+199, where our existing constraints on ISM properties are in conflict with ISM evolution model predictions. The COS observations will break the degeneracy between neutral hydrogen column density and metallicity in our existing measurements from the X-ray data, and provide accurate measurements of dust-metal-gas ratios of this galaxy, which will in turn constrain ISM evolution models at z~0.5. COS NUV spectroscopic observations of B1152+199A. B1152+199 is a gravitational lens system containing two quasar images, A and B at z = 1.02 separated by 1.6 arcsec and a lens at z=0.439. We plan to use the G230 (3360) and G230 (2950) gratings to measure the NUV spectra of B1152+199A. We plan to detect the damped lyman alpha and other metal absorption lines associated with the lensing galaxy in the NUV spectra of B1152+199A. ISM IN EXTERNAL GALAXIES Default false true false false false SUPPORTED GALAXY QUASAR This object was generated by the targetselector and retrieved from the NED database. J2000 J2000 16.75 in the U band COS/NUV Spectroscopic No No G230L 3360 COS/NUV Spectroscopic No No G230L 2950 /private/var/folders/9g/qqrd1_fn2l58hjdw4fbz_n4c0000gn/T/OPVisit681882093907144176.xml 1390592819403 The scheduling data was generated by CASM 21.2. CASM was run in Phase II mode. (Tic-Visit :proposal-id 13283 :visit-id "01" :proposal-version -1 :trans-version "20130502" :date "24-Jan-2014 13:46:59.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "32" :si-bright-earth-limb-angle 20.0 :data-volume 574208 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13283 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13283 :visit-id "01" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2898 :al-overhead-at-end 0 :internal-dur-at-end 57 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3244 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13283 :visit-id "01" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3021 :al-overhead-at-end 0 :internal-dur-at-end 67 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3244 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13283 :visit-id "01" :orbit-number 3 :pcs-time 222 :si-vis-utilization 3021 :al-overhead-at-end 0 :internal-dur-at-end 114 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3244 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13283 :visit-id "01" :orbit-number 4 :pcs-time 222 :si-vis-utilization 3022 :al-overhead-at-end 0 :internal-dur-at-end 452 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3244 :pcs-gap 0 ) true 4 0