! Proposal 6248, submission 1
! PI: 
! Received Tue Apr  4 15:24:29 EDT 1995
! From: fruchter@stsci.edu
!   6248
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Proposal_Information                    ! Section 4
              Title:  HST Observations of Nova Scorpii

  Proposal_Category:  GO/DD
Scientific_Category:                    ! Uncomment one of the following    
                
                ! AGN
                ! Cool Stars
                ! Galaxies & Clusters
                ! Hot Stars
                ! Interstellar Medium
                ! Quasars
                ! Solar System
                ! Stellar Populations
                
              Cycle:  5

Investigators
            PI_Name:     Tavani, Marco
     PI_Institution:     Columbia University

           CoI_Name:     Fruchter, Andrew               ! Repeat as often as necessary
    CoI_Institution:     ST ScI
            Contact:                    ! Y or N (designate at most one contact)

           CoI_Name:     Livio, Mario
    CoI_Institution:     ST ScI

           CoI_Name:     Harmon, B. A. 
    CoI_Institution:     Marshall Space Flight Center

           CoI_Name:     Zhang,  S. N. 
    CoI_Institution:     USRA

           CoI_Name:     Bailyn, Charles
    CoI_Institution:     Yale University


Abstract:                               ! Free format text (clear and concise)
This is a DD Target of Opportunity program to obtain HST WFPC2 images of the 
superluminal transient X-Ray source GRO J1655-40 [20] (X-Ray Nova Scorpii 1994)
following the current major high energy outburst which started on March 20, 
1995.  

Questions                               ! Free format text (clear and concise)


    Observing_Description:
This program consists of 2 visits, one orbit each.  Each visit will obtain a 
full orbit of WFPC2 F675W images of 30seconds in duration.  The two visits
will be separated by 24-48 hours and as close as possible to 30degrees 
orientation.  These observations are planned assuming a central source with 
V=14.  If the central source remains at V~16 fewer but longer exposures
will be obtained. 

     
      Additional_Comments:  


Fixed_Targets                           ! Section 5.1
  Target_Number: 1
    Target_Name: GRO-J1655-40
Alternate_Names: Nova-Scorpii-1994
    Description: Star, X-ray Transient
       Position: RA=16H 54M 0.137S +/- 0.015S,
		 DEC=-39D 50' 44.90" +/- 0.20",
                                        ! RA=0H 0M 0.00S +/- 0S,
                                        ! DEC=0D 0' 0.0" +/- 0",
                                        ! PLATE-ID=0000       
        Equinox:              2000
        RV_or_Z:
          RA_PM:                        ! Units are seconds of time per year
         Dec_PM:                        ! Units are seconds of arc per year
          Epoch:
Annual_Parallax:               
           Flux:                        ! Include at least V and B-V
       Comments:           


Scan_Data                               ! Appendix B
    Scan_Number: 1
       FGS_Scan:               
  Cont_or_Dwell:  D             
   Dwell_Points:   2            
     Dwell_Secs:    1S           
     Scan_Width:    0.1139      
    Scan_Length:    0.161
    Sides_Angle:    45.0      
   Number_Lines:      2         
      Scan_Rate:          
  First_Line_PA:     45        
     Scan_Frame:      S/C         
  Length_Offset:      0
   Width_Offset:      0


Visits                                  ! Section 6
      Visit_Number: 1
Visit_Requirements: BETWEEN 23-APR-95 AND 30-APR-95
		    ORIENT 294D TO 298D
		  
  On_Hold_Comments:
    Visit_Comments:

     Exposure_Number: 1                  ! Section 6.5
         Target_Name: GRO-J1655-40
              Config:               WFPC2
              Opmode:               IMAGE
            Aperture:               PC1
          Sp_Element:               F675W
          Wavelength:           
 Optional_Parameters:	SCAN-READ=ALL
                        READ=1
Number_of_Iterations: 4
   Time_Per_Exposure:         45S
Special_Requirements:         SPATIAL SCAN 1

            Comments:         

      Visit_Number: 2
Visit_Requirements: AFTER 1 BY 1D TO 2D 
		    ORIENT 320D TO 324D
  On_Hold_Comments:
    Visit_Comments:

     Exposure_Number: 1                  ! Section 6.5
         Target_Name: GRO-J1655-40
              Config:               WFPC2
              Opmode:               IMAGE
            Aperture:               PC1
          Sp_Element:               F675W
          Wavelength:           
 Optional_Parameters:	SCAN-READ=ALL
			READ=1
Number_of_Iterations: 4
   Time_Per_Exposure:         45S
Special_Requirements:         SPATIAL SCAN 1

            Comments:         


Data_Distribution                       ! Defaults indicated; change if desired

         Medium:        8MM             ! 8MM or 6250BPI or 1600BPI
Blocking_Factor:        10              ! 10 or 1
                                        ! Only astronomers with very old 9-
                                        ! track tape drives should consider 
                                        ! a blocking factor of 1
                            
        Ship_To:        PI_Address      ! STSCI or PI_Address or <free-text>
       Ship_Via:        UPS             ! UPS (2-day) or OVERNIGHT
                                        ! Overnight shipping done at PI expense
                                     
Recipient_Email:                        ! Needed if Ship_To: is not PI_Address
                                        ! <free-text>

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