!  File:  3991O.PROP
!  Database:  PEPDB
!  Date:  20-FEB-1994:02:56:44

coverpage:

  title_1:         OPTICAL AND ULTRAVIOLET OBSERVATIONS OF RADIO PULSARS - CONT 1101
    sci_cat:       STELLAR ASTROPHYSICS
    proposal_for:  GTO/HSP
    pi_fname:      ROBERT
    pi_mi:         C.
    pi_lname:      BLESS
    pi_inst:       WISCONSIN, UNIVERSITY OF
    pi_country:    USA
    pi_phone:      608-262-1715
    keywords_1:    PULSARS, NEUTRON STARS, SUPERNOVAE
    hours_pri:     43.00
    num_pri:       7
! end of coverpage

abstract:

    line_1:        In spite of extensive efforts only two definite (Crab and Vela) and one
    line_2:        probable (in SNR 0540-693) radio pulsars have been detected at optical
    line_3:        wavelengths. Only the Crab Pulsar has been observed in the ultraviolet. Most
    line_4:        efforts at modeling the optical emission mechanism are constrained only by the
    line_5:        Crab Pulsar observations. To provide better model constraints, visual and
    line_6:        ultraviolet observations of the Crab, Vela, and LMC pulsars will be obtained.
    line_7:        Likely candidates will also be observed to attempt detection of pulses from
    line_8:        pulsars previously undetected in the optical (millisecond pulsars and two
    line_9:        binary pulsars).
    line_10:       Revision History: Received on RPS 9/1/89;  Added to SCCS 9/5/89
    line_11:       RPSS V7.2 remote & local; Small syntax errs fixed - SALM 9/13/89
    line_12:       Text changes - SALM 9/28/89;  Added gyro stuff - SALM 9/29/89
    line_13:       Fix up CTR1 sequence - SALM 2/6/90;  Move 4 targ to cycle2, cut 1 UV
    line_14:       filter - SALM 3/5/90; Changed PEAKUP to ACQ-BJW 6/8/90;  Deleted redundant
    line_15:       BEFORE - SALM 6/21/90;  Add CTR1 to repeat - SALM 6/27/90;  SEQ & Exp time
    line_16:       fixes - SALM 7/12/90; Made changes re team meeting 7/18/90--BJW 7/24/90;
    line_17:       cycle0 changes--BJW 1/10/91; Split proposal by cycle--BJW 3/24/91; Added
    line_18:       reference for target position--BJW 7/18/91; Computed proper motion for Crab--
    line_19:       BJW 9/4/91;

!
! end of abstract

general_form_proposers:

  lname:           VAN CITTERS
    fname:         G.
    mi:            W.
    inst:          NATIONAL SCIENCE FOUNDATION
    country:       USA

!

  lname:           BLESS
    fname:         ROBERT
    mi:            C.
    inst:          WISCONSIN, UNIVERSITY OF
    country:       USA

!

  lname:           DOLAN
    fname:         JOSEPH
    mi:            F.
    inst:          NASA, GODDARD SPACE FLIGHT CENTER
    country:       USA

!

  lname:           ELLIOT
    fname:         JAMES
    mi:            L.
    inst:          MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    country:       USA

!

  lname:           ROBINSON
    fname:         EDWARD
    mi:            L.
    inst:          TEXAS, UNIVERSITY OF
    country:       USA

!
! end of general_form_proposers block

general_form_text:

  question:        3
    section:       1
    line_1:        CYCLE 0:
    line_3:        Crab Pulsar - Observe through UV and V filter each orbit to use V filter as
    line_4:        phase reference. Total time 20 minutes each UV filter and 60
    line_5:        minutes in V--total 3H 2M.
    line_6:        CYCLE 1:
    line_8:        Vela Pulsar - WFC image(10M) 2 months before to identify field. One hour
    line_9:        in each filter (3 filters) in rotation. Repeat until 4 hours of
    line_10:       integration per filter are obtained. 12H 11M total. Vela may be in
    line_11:       CVZ--needs dark time.
    line_12:       LMC Pulsar - Same as Vela. Needs dark time.
    line_13:       Millisecond Pulsars - WFC image 2 months before to explore field. Integrate
    line_14:       for 5-1/3 hours in split mode (filters 750W & 320N) for each of two pulsar
    line_15:       fields.  Other Candidates Needs dark time. 16 hours total.

!

  question:        4
    section:       1
    line_1:        The Space Telescope, besides the obvious access to the UV, provides an
    line_2:        opportunity to examine pulse shape, phase as a function of frequency, and
    line_3:        polarization with lower sky background levels, better discrimination against
    line_4:        nebular contamination and lack of scintillation noise. Significant
    line_5:        improvement over ground-based data is expected.

!

  question:        6
    section:       1
    line_1:        Relating Space Telescope observations of pulsars to previous ground-based data
    line_2:        will, in some cases, require calibration of the Space Telescope clock to +/- 10
    line_3:        msec to enable phase comparisons. This can be done after the observations.

!

  question:        13
    section:       1
    line_1:        To provide better model constraints, visual and ultraviolet observations of the
    line_2:        Crab, Vela, and LMC pulsars will be obtained. Likely candidates will also be
    line_3:        observed to attempt detection of pulses from pulsars previously undetected in
    line_4:        the optical (millisecond pulsars and two binary pulsars).

!
!end of general form text

general_form_address:

  lname:           VAN CITTERS
    fname:         G.
    mi:            W.
    category:      CON
    inst:          NATIONAL SCIENCE FOUNDATION
    addr_1:        DIV. OF ASTRONOMICAL SCI.
    addr_2:        1800 G STREET, N.W.
    city:          WASHINGTON
    state:         DC
    zip:           20550
    country:       USA
    phone:         202-357-9793
    telex:         982-438

!

  lname:           BLESS
    fname:         ROBERT
    mi:            C.
    category:      PI
    inst:          WISCONSIN, UNIVERSITY OF
    addr_1:        WASHBURN OBSERVATORY
    addr_2:        475 N. CHARTER STREET
    city:          MADISON
    state:         WI
    zip:           53706
    country:       USA
    phone:         608-262-1715
    telex:         265452-UOFWISC-MDS

!
! end of general_form_address records

fixed_targets:

    targnum:       1
    name_1:        PSR0531+21
    name_2:        CRAB PULSAR
    descr_1:       PULSAR
    pos_1:         RA = 05H 34M 31.896S +/- 0.005S,
    pos_2:         DEC = +22D 00' 52.28" +/- 0.06"
    equinox:       2000
    pm_or_par:     N
    comment_1:     POSREF = MANCHESTER&TAYLOR,
    comment_2:     ASTRON. J.,V86,1953,1981.
    fluxnum_1:     1
    fluxval_1:     V=16

!
! end of fixed targets

! No solar system records found

! No generic target records found

exposure_logsheet:

    linenum:       0.100
    sequence_1:    DEFINE
    sequence_2:    CTR2
    targname:      #
    config:        HSP/UV2
    opmode:        ACQ
    num_exp:       1
    time_per_exp:  1S
    fluxnum_1:     1
    priority:      #

!

    linenum:       0.200
    sequence_1:    DEFINE
    sequence_2:    CTRV
    targname:      #
    config:        HSP/VIS
    opmode:        ACQ
    num_exp:       1
    time_per_exp:  1S
    fluxnum_1:     1
    priority:      #

!

    linenum:       0.300
    sequence_1:    DEFINE
    sequence_2:    CTR1
    targname:      #
    config:        HSP/UV1
    opmode:        ACQ
    num_exp:       1
    time_per_exp:  1S
    fluxnum_1:     1
    priority:      #

!

    linenum:       0.500
    targname:      PSR0531+21
    config:        HSP/UV1
    opmode:        ACQ
    num_exp:       1
    time_per_exp:  120S
    fluxnum_1:     1
    priority:      2
    req_1:         CYCLE 0 / 0.5-12;
    req_2:         ONBOARD ACQ FOR 1;
    req_3:         GROUP 0.5-2 NO GAP;
    comment_1:     DO NOT SCHEDULE CYCLE 0
    comment_2:     OBSERVATIONS UNTIL 1 JUNE
    comment_3:     1991.

!

    linenum:       1.000
    targname:      PSR0531+21
    config:        HSP/UV1
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F135W
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      2
    param_1:       SAMPLE-TIME=0.0003,

!

    linenum:       1.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 2;

!

    linenum:       2.000
    targname:      PSR0531+21
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       2.500
    sequence_1:    USE
    sequence_2:    CTR2
    targname:      PSR0531+21
    time_per_exp:  X120
    priority:      2
    req_1:         ONBOARD ACQ FOR 3;
    req_2:         GROUP 2.5-4 NO GAP;

!

    linenum:       3.000
    targname:      ^
    config:        HSP/UV2
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F152M
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       3.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 4;

!

    linenum:       4.000
    targname:      ^
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       4.500
    sequence_1:    USE
    sequence_2:    CTR2
    targname:      PSR0531+21
    time_per_exp:  X120
    priority:      2
    req_1:         ONBOARD ACQ FOR 5;
    req_2:         GROUP 4.5-6 NO GAP;

!

    linenum:       5.000
    targname:      ^
    config:        HSP/UV2
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F179M
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       5.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 6;

!

    linenum:       6.000
    targname:      ^
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       6.500
    sequence_1:    USE
    sequence_2:    CTR2
    targname:      PSR0531+21
    time_per_exp:  X120
    priority:      2
    req_1:         ONBOARD ACQ FOR 7;
    req_2:         GROUP 6.5-8 NO GAP;

!

    linenum:       7.000
    targname:      PSR0531+21
    config:        HSP/UV2
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F218M
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      2
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       7.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 8;

!

    linenum:       8.000
    targname:      ^
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       8.500
    sequence_1:    USE
    sequence_2:    CTR2
    targname:      PSR0531+21
    time_per_exp:  X120
    priority:      2
    req_1:         ONBOARD ACQ FOR 9;
    req_2:         GROUP 8.5-10 NO GAP;

!

    linenum:       9.000
    targname:      ^
    config:        HSP/UV2
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F248M
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       9.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 10;

!

    linenum:       10.000
    targname:      ^
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       10.500
    sequence_1:    USE
    sequence_2:    CTR2
    targname:      PSR0531+21
    time_per_exp:  X120
    priority:      2
    req_1:         ONBOARD ACQ FOR 11;
    req_2:         GROUP 10.5-12 NO GAP;

!

    linenum:       11.000
    targname:      ^
    config:        HSP/UV2
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F284M
    num_exp:       1
    time_per_exp:  40M
    s_to_n:        400
    fluxnum_1:     1
    priority:      ^
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!

    linenum:       11.500
    sequence_1:    USE
    sequence_2:    CTRV
    targname:      PSR0531+21
    time_per_exp:  X40
    priority:      2
    req_1:         ONBOARD ACQ FOR 12;

!

    linenum:       12.000
    targname:      PSR0531+21
    config:        HSP/VIS
    opmode:        SINGLE
    aperture:      1.0
    sp_element:    F551W
    num_exp:       1
    time_per_exp:  20M
    s_to_n:        400
    priority:      2
    param_1:       SAMPLE-TIME=0.0003,
    comment_1:     GYROHOLD.

!
! end of exposure logsheet

! No scan data records found