!   $Id: 5661,v 10.1 1994/07/27 20:11:03 pepsa Exp $
coverpage:
  title_1:         FUV SPECTROSCOPY OF IOS SO2 ATMOSPHERE AND SURFACE
  title_2:         CYCLE 4 CARRYOVER OF PROGRAMS 3862 AND 4600
    sci_cat:       SOLAR SYSTEM
    proposal_for:  GO/CAR
    pi_title:      DR.
    pi_fname:      JOHN
    pi_mi:         T.
    pi_lname:      CLARKE
    pi_inst:       UNIVERSITY OF MICHIGAN
    pi_country:    USA
    pi_phone:      313-747-3540
    keywords_1:    PLANETARY SATELLITE, PLASMA TORUS
    fos:           Y
    hrs:           Y
    time_crit:     Y
abstract:
    line_1:
general_form_proposers:
  lname:           CLARKE
    fname:         JOHN
    title:         PI
    mi:            T.
    inst:          2660
    country:       USA
general_form_text:
  question:        3
    section:       1
    line_1:        This proposal is a group of high priority cycle 2 and 3 obs.'s
    line_2:        of Io that either were never scheduled or were not correct,
    line_3:        and have been approved for cycle 4 by the HOPR process.
general_form_address:
  lname:           CLARKE
    fname:         JOHN
    mi:            T.
    title:         PROF.
    category:      PI
    inst:          UNIVERSITY OF MICHIGAN
    addr_1:        AOSS DEPT.
    city:          ANN ARBOR
    state:         MI
    zip:           481092143
    country:       USA
solar_system_targets:
  targnum:         1
    name_1:        IO-ACQ-SHADOW
    descr_1:       OFFSET CALLISTO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = CALLISTO
    comment_1:     ACQUISITION OF IO WHILE IN
    comment_2:     SHADOW FOR SPECTRA IN SHADOW.
    comment_3:     STRATEGY IS TO ACQUIRE J2 OR J3
    comment_4:     AND THEN BLIND OFFSET TO IO, BOTH
    comment_5:     IN 4.3 ARC SEC APERTURE.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.5 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 2.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
  targnum:         2
    name_1:        IO-EGRESS
    descr_1:       SATELLITE IO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = IO
    wind_1:        OLG OF JUPITER BETWEEN 240 290,
    wind_2:        ECL U OF IO BY JUPITER,
    wind_3:        SEP OF EUROPA IO FROM EARTH GT 10",
    wind_4:        SEP OF GANYMEDE IO FROM EARTH GT 10",
    wind_5:        SEP OF CALLISTO IO FROM EARTH GT 10"
    comment_1:     OBSERVE IO COMING OUT OF ECLIPSE
    comment_2:     BEHIND JUPITER; BEGIN SPECTRA
    comment_3:     10-15 MINUTES BEFORE IO ECLIPSE
    comment_4:     REAPPEARANCE AND SCHEDULE
    comment_5:     WHEN ORBITAL LONGITUDE OF JUPITER
    comment_6:     IS 240 TO 290 DEGREES.
    comment_7:     PLEASE NOTE THAT THE WINDOWS CAN
    comment_8:     BE EXPANDED IF NEEDED TO SCHEDULE.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.8 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 1.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
  targnum:         3
    name_1:        IO-ACQ
    descr_1:       SATELLITE IO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = IO
    wind_1:        SEP OF EUROPA IO FROM EARTH GT 10",
    wind_2:        SEP OF GANYMEDE IO FROM EARTH GT 10",
    wind_3:        SEP OF CALLISTO IO FROM EARTH GT 10"
    comment_1:     IO ACQUISITION FOR SPECTRA
    comment_2:     OR POST-OBSERVATION POINTING
    comment_3:     INFO. WITH IO IN SUNLIGHT.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.0 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 1.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
  targnum:         4
    name_1:        IO-W-DARK
    descr_1:       SATELLITE IO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = IO
    lev3_1:        TYPE = CARTO,
    lev3_2:        LONG = 288.0,
    lev3_3:        LAT = -15.0
    wind_1:        SEP OF EUROPA IO FROM EARTH GT 10",
    wind_2:        SEP OF GANYMEDE IO FROM EARTH GT 10",
    wind_3:        SEP OF CALLISTO IO FROM EARTH GT 10",
    wind_4:        OLG OF IO BETWEEN 265 295,
    wind_5:        OLG OF JUPITER BETWEEN 300 60
    comment_1:     OBSERVE DARK REGION ON IO WHEN
    comment_2:     IO IS FROM ABOUT -5 TO +25 DEGREES
    comment_3:     FROM WESTERN ELONGATION, WHEN JUPITER
    comment_4:     IS WITHIN 60 DEGREES OF OPPOSITION.
    comment_5:     PLEASE NOTE THAT THE WINDOWS CAN BE
    comment_6:     EXPANDED IF NEEDED TO SCHEDULE.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.0 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 1.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
    fluxnum_4:     4
    fluxval_4:     SURF-CONT(1900) = 1.5 +/- 1 E-15
  targnum:         5
    name_1:        IO-W-LOKI
    descr_1:       SATELLITE IO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = IO
    lev3_1:        TYPE = CARTO,
    lev3_2:        LONG = 304.0,
    lev3_3:        LAT = +20.0
    wind_1:        SEP OF EUROPA IO FROM EARTH GT 10",
    wind_2:        SEP OF GANYMEDE IO FROM EARTH GT 10",
    wind_3:        SEP OF CALLISTO IO FROM EARTH GT 10",
    wind_4:        OLG OF IO BETWEEN 280 325,
    wind_5:        OLG OF JUPITER BETWEEN 300 60
    comment_1:     OBSERVE LOKI VOLCANO ON IO WHEN
    comment_2:     IO IS FROM ABOUT +10 TO +55 DEGREES
    comment_3:     FROM WESTERN ELONGATION, WHEN JUPITER
    comment_4:     IS WITHIN 60 DEGREES OF OPPOSITION.
    comment_5:     PLEASE NOTE THAT THE WINDOWS CAN BE
    comment_6:     EXPANDED IF NEEDED TO SCHEDULE.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.0 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 1.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
    fluxnum_4:     4
    fluxval_4:     SURF-CONT(1900) = 1.5 +/- 1 E-15
  targnum:         6
    name_1:        IO-W-SCAN
    descr_1:       SATELLITE IO
    lev1_1:        STD = JUPITER
    lev2_1:        STD = IO
    wind_1:        SEP OF EUROPA IO FROM EARTH GT 10",
    wind_2:        SEP OF GANYMEDE IO FROM EARTH GT 10",
    wind_3:        SEP OF CALLISTO IO FROM EARTH GT 10",
    wind_4:        OLG OF IO BETWEEN 250 290,
    wind_5:        OLG OF JUPITER BETWEEN 300 60
    comment_1:     OBSERVE IO WITHIN +/- 20 DEGREES
    comment_2:     OF WESTERN ELONGATION WHEN JUPITER
    comment_3:     IS WITHIN 60 DEGREES OF OPPOSITION.
    comment_4:     PLEASE NOTE THAT THE WINDOWS CAN
    comment_5:     BE EXPANDED IF NEEDED TO SCHEDULE.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.0 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 1.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
    fluxnum_4:     4
    fluxval_4:     SURF-CONT(1900) = 1.5 +/- 1 E-15
  targnum:         11
    name_1:        EUROPA-ACQ
    descr_1:       OFFSET EUROPA
    lev1_1:        STD = JUPITER
    lev2_1:        STD = EUROPA
    comment_1:     ACQUISITION OF IO WHILE IN
    comment_2:     SHADOW FOR SPECTRA IN SHADOW.
    comment_3:     STRATEGY IS TO ACQUIRE J2
    comment_4:     AND THEN BLIND OFFSET TO IO, BOTH
    comment_5:     IN 4.3 ARC SEC APERTURE. THIS IS
    comment_6:     AN ALTERNATE TO TARGET 1.
    fluxnum_1:     1
    fluxval_1:     SURF(V) = 5.5 +/- 0.5
    fluxnum_2:     2
    fluxval_2:     SIZE = 2.0 +/- .2
    fluxnum_3:     3
    fluxval_3:     SURF-CONT(2700) = 2 +/- 1 E-13
exposure_logsheet:
!
    linenum:       1.000
    targname:      IO-ACQ-SHADOW
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    req_1:         SEQ 1-3 NOGAP;
    req_2:         RT ANALYSIS FOR 2;
    req_3:         CYCLE 4 / 1-19;
    req_4:         decision time 1s;
    comment_1:     SPECTRA OF EUROPA FOR INT. ACQ.
    comment_2:     REQUIRES REAL-TIME UPLINK FOR
    comment_3:     S/C MOTIONS IN X AND Y DURING
    comment_4:     EARTH OCCULTATION.  AFTER 
    comment_5:     CENTERING ON EUROPA, OFFSET TO 
    comment_6:     IO, WHICH IS IN SHADOW.
!
    linenum:       2.000
    targname:      IO-EGRESS
    config:        FOS/BL
    opmode:        RAPID
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  30 M
    fluxnum_1:     1
    priority:      1
    param_1:       STEP-PATT=DEF,
    param_2:       READ-TIME=60.
    req_1:         non-int;
    comment_1:     FOS EXPOSURES OF IO: BEGIN
    comment_2:     10-15 MINUTES BEFORE IO
    comment_3:     REAPPEARS IN SUNLIGHT FROM
    comment_4:     ECLIPSE!
!
    linenum:       3.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    comment_1:     IMAGE OF 4.3 APERTURE
    comment_2:     FOR POST-UPLINK POINTING
    comment_3:     INFORMATION, PERFORMED
    comment_4:     AFTER IO COMES BACK INTO
    comment_5:     SUNLIGHT.
!
    linenum:       4.000
    targname:      IO-ACQ-SHADOW
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    req_1:         SEQ 4-6 NOGAP;
    req_2:         RT ANALYSIS FOR 5;
    req_3:         decision time 1s;
    comment_1:     SPECTRA OF EUROPA FOR INT. ACQ.
    comment_2:     REQUIRES REAL-TIME UPLINK FOR
    comment_3:     S/C MOTIONS IN X AND Y DURING
    comment_4:     EARTH OCCULTATION.  AFTER
    comment_5:     CENTERING ON EUROPA, OFFSET TO
    comment_6:     IO, WHICH IS IN SHADOW.
!
    linenum:       5.000
    targname:      IO-EGRESS
    config:        FOS/BL
    opmode:        RAPID
    aperture:      4.3
    sp_element:    G190H
    num_exp:       1
    time_per_exp:  30 M
    fluxnum_1:     1
    priority:      1
    param_1:       STEP-PATT=DEF,
    param_2:       READ-TIME=60.
    req_1:         non-int;    
    comment_1:     FOS EXPOSURES OF IO: BEGIN
    comment_2:     10-15 MINUTES BEFORE IO
    comment_3:     REAPPEARS IN SUNLIGHT FROM
    comment_4:     ECLIPSE.
!
    linenum:       6.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    comment_1:     IMAGE OF 4.3 APERTURE
    comment_2:     FOR POST-UPLINK POINTING
    comment_3:     INFORMATION, PERFORMED
    comment_4:     WHEN IO IS IN SUNLIGHT.
!
    linenum:       7.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    req_1:         SEQ 7-12 NOGAP;
    req_2:         INT ACQ FOR 8;
    req_3:         decision time 1s;
    comment_1:     SPECTRA OF IO FOR INTERACTIVE
    comment_2:     ACQUISITION: REQUIRES REAL-TIME
    comment_3:     UPLINK FOR S/C MOTIONS IN X AND
    comment_4:     Y DURING EARTH OCCULTATION.
!
    linenum:       8.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    comment_1:     IMAGE OF 4.3 APERTURE
    comment_2:     FOR POST-UPLINK POINTING
    comment_3:     INFORMATION.  NEXT,
    comment_4:     OFFSET TO 0.3 APERTURE
    comment_5:     FOR SPECTRA IN LINENUM 9.
!
    linenum:       9.000
    targname:      IO-W-DARK
    config:        FOS/BL
    opmode:        ACCUM
    aperture:      0.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  10 M
    fluxnum_1:     3
    priority:      1
    param_1:       STEP-PATT=SINGLE
    comment_1:     G270H SPECTRA OF DARK SPOT
    comment_2:     ON IO AT LONG,LAT = 288,-15.
!
    linenum:       10.000
    targname:      IO-W-DARK
    config:        FOS/BL
    opmode:        ACCUM
    aperture:      0.3
    sp_element:    G190H
    num_exp:       1
    time_per_exp:  30.5 M
    fluxnum_1:     4
    priority:      1
    param_1:       STEP-PATT=SINGLE
    comment_1:     G190H SPECTRA OF DARK SPOT
    comment_2:     ON IO AT LONG,LAT = 288,-15.
!
    linenum:       11.000
    targname:      IO-W-LOKI
    config:        FOS/BL
    opmode:        ACCUM
    aperture:      0.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  10 M
    fluxnum_1:     3
    priority:      1
    param_1:       STEP-PATT=SINGLE
    comment_1:     G270H SPECTRA OF LOKI VOLCANO
    comment_2:     ON IO AT LONG,LAT = 304,+20.
!
    linenum:       12.000
    targname:      IO-W-LOKI
    config:        FOS/BL
    opmode:        ACCUM
    aperture:      0.3
    sp_element:    G190H
    num_exp:       1
    time_per_exp:  36 M
    fluxnum_1:     4
    priority:      1
    param_1:       STEP-PATT=SINGLE
    comment_1:     G190H SPECTRA OF LOKI VOLCANO
    comment_2:     ON IO AT LONG,LAT = 304,+20.
!
    linenum:       13.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    req_1:         SEQ 13-15 NOGAP;
    req_2:         INT ACQ FOR 14
    comment_1:     SPECTRA OF IO FOR INTERACTIVE
    comment_2:     ACQUISITION: REQUIRES REAL-TIME
    comment_3:     UPLINK FOR S/C MOTIONS IN X AND
    comment_4:     Y DURING EARTH OCCULTATION.
    comment_5:     NEXT, OFFSET TO 0.3 APERTURE
    comment_6:     FOR SPECTRA IN LINENUM 14.
!
    linenum:       14.000
    targname:      IO-W-SCAN
    config:        FOS/BL
    opmode:        RAPID
    aperture:      0.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  24 M
    fluxnum_1:     3
    priority:      1
    param_1:       STEP-PATT=SINGLE
    param_2:       COMB = YES,
    param_3:       READ-TIME=60.0
    req_1:         SPATIAL SCAN;
    req_2:         REQ UPLINK
    comment_1:     VERY SLOW SPATIAL SCAN
    comment_2:     N/S ACROSS DISK OF IO.
    comment_3:     REQUIRES REVIEW BY STSCI.
!
    linenum:       15.000
    targname:      IO-ACQ
    config:        FOS/BL
    opmode:        IMAGE
    aperture:      4.3
    sp_element:    G270H
    num_exp:       1
    time_per_exp:  300 S
    fluxnum_1:     3
    priority:      1
    param_1:       Y-SIZE = 5,
    param_2:       Y-SPACE = 128,
    param_3:       COMB = YES,
    param_4:       SUB-STEP = 4
    comment_1:     IMAGE OF 4.3 APERTURE
    comment_2:     FOR POST-UPLINK POINTING
    comment_3:     INFORMATION.
!
    linenum:       16.000
    targname:      IO-ACQ-SHADOW
    config:        HRS
    opmode:        ACQ
    aperture:      2.0
    sp_element:    MIRROR-N2
    num_exp:       1
    time_per_exp:  10S
    fluxnum_1:     3
    priority:      1
    req_1:         SEQ 16-19 NOGAP;
    req_2:         ONBOARD ACQ FOR 18
    comment_1:     ACQUISITION OF EUROPA OR
    comment_2:     GANYMEDE FOR OFFSET TO
    comment_3:     IO IN SHADOW.
!
    linenum:       17.000
    targname:      IO-ACQ-SHADOW
    config:        HRS
    opmode:        ACQ/PEAKUP
    aperture:      2.0
    sp_element:    MIRROR-N2
    num_exp:       1
    time_per_exp:  18.4S
    fluxnum_1:     1
    priority:      1
    req_1:         ONBOARD ACQ FOR 18
    comment_1:     PEAKUP BEFORE OFFSET:
    comment_2:     AFTER CENTERING ON GANYMEDE
    comment_3:     OR EUROPA, OFFSET TO IO,
    comment_4:     WHICH IS IN SHADOW.
!
    linenum:       18.000
    targname:      IO-EGRESS
    config:        HRS
    opmode:        RAPID
    aperture:      2.0
    sp_element:    G140L
    wavelength:    1370.
    num_exp:       1
    time_per_exp:  25M
    fluxnum_1:     1
    priority:      1
    param_1:       SAMPLE-TIME = 12.75
    req_1:         non-int;
    comment_1:     G140L SPECTRA OF IO: BEGIN
    comment_2:     15 MINUTES BEFORE IO
    comment_3:     REAPPEARS IN SUNLIGHT FROM
    comment_4:     ECLIPSE. SCHEDULE IN DARK TIME
    comment_5:     DUE TO 1304 OXYGEN AIRGLOW.
!
    linenum:       19.000
    targname:      IO-ACQ
    config:        HRS
    opmode:        IMAGE
    aperture:      2.0
    sp_element:    MIRROR-N2
    num_exp:       1
    time_per_exp:  96.8S
    fluxnum_1:     3
    priority:      1
    comment_1:     IMAGE OF IO IN LSA AFTER
    comment_2:     SPECTRA.  I ESTIMATE
    comment_3:     100 COUNTS/DWELL POINT
    comment_4:     FROM IO DISK IN SUNLIGHT.
!
scan_data:
    line_list:     14.00
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:      1.2600
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.0009
    first_line_pa:  25.0000
    scan_frame:    CEL
    len_offset:    0.6300
    wid_offset:    0.0000
!~~~RPSS~~~,STORRS,clarke.prop,18-MAY-1994 08:29