! File: 1293C.PROP ! Database: PEPDB ! Date: 16-FEB-1994:11:03:21 coverpage: title_1: URANUS NEAR-INFRARED PROPERTIES sci_cat: SOLAR SYSTEM sci_subcat: GIANT PLANETS proposal_for: GTO/OS pi_fname: JOHN pi_mi: J. pi_lname: CALDWELL pi_inst: YORK UNIVERSITY pi_country: CANADA pi_phone: (416) 736-2100 X7721 keywords_1: URANUS, ATMOSPHERIC STRUCTURE, METHANE hours_pri: 1.00 num_pri: 1 pi_position: PROFESSOR ! end of coverpage abstract: line_1: Images of Uranus in both strong (8890A) and weak (4870A) CH4 line_2: continuum (8500 and 5550A) images will be combined with FOS s line_3: (4000-8000A) of selected areas on Uranus to determine the ver line_4: of condensed and gaseous CH4 in the atmosphere of that planet line_5: inhomogeneous radiative transfer calculations will be require line_6: data, because the sources of opacity will certainly vary with ! ! end of abstract general_form_proposers: lname: CALDWELL fname: JOHN mi: J. inst: YORK UNIVERSITY country: CANADA ! ! end of general_form_proposers block general_form_text: question: 3 section: 0 line_1: When the capability for performing interactive acquisitions o line_2: is accomplished by the ST, these observations may be schedule line_3: practicable. The set will consist of four images, of which th line_4: used for interactive acquisition of the FOS aperture for the line_5: exposures. ! question: 4 section: 0 line_1: ST observations are required for their ability to obtain high line_2: resolution both in imaging and spectroscopy. ! question: 5 section: 0 line_1: The only special scheduling requirement is for an interactive ! question: 6 section: 0 line_1: None recognized at this time. ! question: 7 section: 0 line_1: The images will be examined for contrast features suggestive line_2: patterns. Quantitative radiative transfer calculations will b line_3: test models of cloud particle vertical distribution, for thos line_4: planet where there is reason to believe that a quantitatively line_5: atmosphere is being observed at differing viewing angles--tha line_6: center and near the limb. The determination of such regions c line_7: after inspecting the images. line_9: For selected regions, spectra will provide much more informat line_10: CH(sub)4 bands will be observed, with widely varying strength line_11: discriminaiton will be enhanced significantly over what is po line_12: alone at a few wavelengths. ! question: 8 section: 0 line_1: None ! question: 10 section: 0 line_1: We have access to a dedicated SUN at York University. ! question: 13 section: 1 line_1: Uranus will be imaged in strong (8890A) and weak (4870A) CH4 line_2: continua. These data will be combined with FOS spectra of fou line_3: to determine the vertical distribution of CH4 in the Uranian ! !end of general form text general_form_address: lname: CALDWELL fname: JOHN mi: J. title: DR. category: PI inst: YORK UNIVERSITY addr_1: PHYSICS DEPT. addr_2: 4700 KEELE ST. city: NORTH YORK state: ON zip: M3J 1P3 country: CANADA phone: (416) 736-2100 X7721 ! ! end of general_form_address records ! No fixed target records found solar_system_targets: targnum: 1 name_1: URANUS descr_1: PLANET URANUS lev1_1: STD = URANUS comment_1: TRK = .02 fluxnum_1: 1 fluxval_1: V=5.5 fluxnum_2: 2 fluxval_2: SURF(V)=8.25 fluxnum_3: 3 fluxval_3: SURF(6000)=1.9E-12 ! targnum: 2 name_1: URANUS-FEATURE1 descr_1: FEATURE URANUS lev1_1: STD = URANUS lev2_1: TYPE = RT_SELECT comment_1: TRK = 0.1 fluxnum_1: 3 fluxval_1: SURF(6000)=1.9E-12 ! targnum: 3 name_1: URANUS-FEATURE2 descr_1: ^ lev1_1: ^ lev2_1: ^ fluxnum_1: 3 fluxval_1: SURF(6000)=1.9E-12 ! targnum: 4 name_1: URANUS-FEATURE3 descr_1: ^ lev1_1: ^ lev2_1: ^ fluxnum_1: 3 fluxval_1: SURF(6000)=1.9E-12 ! targnum: 5 name_1: URANUS-FEATURE4 descr_1: ^ lev1_1: ^ lev2_1: ^ fluxnum_1: 3 fluxval_1: SURF(6000)=1.9E-12 ! ! end of solar system targets ! No generic target records found exposure_logsheet: linenum: 1.000 targname: URANUS config: PC opmode: IMAGE aperture: ANY sp_element: F889N num_exp: 1 time_per_exp: 15M s_to_n: 70 fluxnum_1: 2 priority: 2 req_1: INT ACQ FOR 5-8;CYCLE 2 / 1 - 8; req_2: GROUP 1-4 NO GAP ! linenum: 2.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F850LP num_exp: 1 time_per_exp: 30S s_to_n: 100 fluxnum_1: 2 priority: 2 ! linenum: 3.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F555W num_exp: 1 time_per_exp: 15S s_to_n: 100 fluxnum_1: 2 priority: 2 ! linenum: 4.000 targname: ^ config: ^ opmode: ^ aperture: ^ sp_element: F487N num_exp: 1 time_per_exp: 4M s_to_n: 60 fluxnum_1: 2 priority: 2 comment_1: THE FOLLOWING SPECTRA WILL BE OFFSET comment_2: FROM THE CENTER OF URANUS BY