! new version received 9/1/95
! Proposal 6261, submission 2
! PI: WEYMANN, RAY
! Received Thu Apr 27 11:18:11 EDT 1995
! From: simon@dao.nrc.ca

Proposal_Information

   Title:               Structure in Moderate Column Density, Low Redshift Lyman Alpha
                        Absorbers
   Proposal_Category:   GTO/HRS
   Scientific_Category: QUASARS & AGN,QUASAR ABSORPTION
   Cycle:               5


Investigators

   PI_name:             RAY WEYMANN
   PI_Institution:      OCIW

   CoI_Name:            SIMON MORRIS 
   CoI_Institution:     DAO 
   Contact:             Y

Abstract:               Spectra of the bright QSO PG1116+215 will be used
                        to study the absorption line structure of the
                        Lyman Alpha absorbers associated with galaxies.
Questions

   Observing_Description:   High dispersion GHRS data will be obtained for a strong
                            Lyman alpha absorption system seen in the LOS to PG1116+215. 
                            We will search for structure in the profile.
      

   Real_Time_Justification:

   Calibration_Justification:  A Wave exposure is requested to ensure an accurate 
                               wavelength calibration.

   Additional_Comments: 


Fixed_Targets

   Target_Number:       1
   Target_Name:         PG1116+215
   Alternate_Names:     GSC2996-00341
   Description:         GALAXY, QSO
   Position:            RA = 09H 56M 52.35S +/- 0.02S,
                        DEC = +41D 15' 22.5" +/-  0.24",
                        PLATE-ID = 00XW
   Equinox:             J2000.00
   Epoch:               1983.026
   Rv_or_z:             Z = 0.177
   RA_PM:               0.0
   Dec_PM:              0.0
   Annual_Parallax:     0.0
   Flux:                V = 15.2 +/- 0.1
   Comments:            Coordinates are from GSC           

Visits

Visit_Number:           1
Visit_Requirements:     
On_Hold_Comments:       

   Exposure_number:     10
   Target_Name:         PG1116+215
   Config:              HRS
   Opmode:              ACQ
   Aperture:            2.0
   Sp_Element:          MIRROR-N2
   Wavelength:          
   Optional_Parameters: BRIGHT=RETURN
   Number_of_iterations:1
   Time_Per_Exposure:   36S
   Special_Requirements:ONBOARD ACQ FOR 20-50
   Comments:            STEP TIME 4 SEC,
                        REQ NO GAP AS RECOMMENDED IN
                        GHRS HANDBOOK

   Exposure_number:     20
   Target_Name:         WAVE
   Config:              HRS
   Opmode:              ACCUM
   Aperture:            SC2
   Sp_Element:          G160M
   Wavelength:          1392.0
   Optional_Parameters: STEP-PATT=5
   Number_of_iterations:1
   Time_Per_Exposure:   54.4S
   Special_Requirements:
   Comments:            DO NOT MOVE THE CARROUSEL (I.E.
                        DO NOT INSERT A SPYBAL) BETWEEN
                        LINES 20 AND 30

   Exposure_number:     30
   Target_Name:         PG1116+215
   Config:              HRS
   Opmode:              ACCUM
   Aperture:            2.0
   Sp_Element:          G160M
   Wavelength:          1392.0
   Optional_Parameters: SPYBAL=NO, COMB=FOUR, FP-SPLIT=STD, STEP-PATT=5
   Number_of_iterations:7
   Time_Per_Exposure:   1632.0S
   Special_Requirements:
   Comments:            EXPOSURE BROKEN UP TO
                        ALLOW FOR MAG FIELD SHIFTS,
			EXPOSURE 30 BROKEN INTO 30 AND 40
			TO ALLOW SPYBAL AND RECENTERING ON DIODE ARRAY


   Exposure_number:     40
   Target_Name:         WAVE
   Config:              HRS
   Opmode:              ACCUM
   Aperture:            SC2
   Sp_Element:          G160M
   Wavelength:          1392.0
   Optional_Parameters: SPYBAL=YES, STEP-PATT=5
   Number_of_iterations:1
   Time_Per_Exposure:   54.4S
   Special_Requirements:
   Comments:

   Exposure_number:     50
   Target_Name:         PG1116+215
   Config:              HRS
   Opmode:              ACCUM
   Aperture:            2.0
   Sp_Element:          G160M
   Wavelength:          1392.0
   Optional_Parameters: SPYBAL=NO, COMB=FOUR, FP-SPLIT=STD, STEP-PATT=5
   Number_of_iterations:6
   Time_Per_Exposure:   1632.0S
   Special_Requirements:
   Comments:            EXPOSURE BROKEN UP TO
                        ALLOW FOR MAG FIELD SHIFTS,

            

Data_Distribution

   Medium:              8MM
   Blocking_Factor:     10
   Ship_To:             PI_Address
   Ship_Via:            UPS
   Recipient_Email: