Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 2845c Report Date: 09-May-96:17:27 Version: ********** Check-in Date: ********** 1.Proposal Title: GHRS 1ST ORDER GRATING SPECTRAL LAMP TEST ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID CAL/HRS Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Douglas D Duncan ST SCI USA 301-338-4935 GHRS IST SCI. ------------------------------------------------------------------------------------ 7. Abstract This proposal defines the spectral cal lamp mini-functional test for the first order gratings. It is an internal test which makes measurements of the lamp (SC2). It is used to calibrate the carrousel function, Y deflections, resolving power, sensitivity, and scattered light. It will be run for basic calibrations. The carrousel and Y deflection function coefficients are determined and the PDB will be updated. The wavelength calibration dispersion constants will be updated in the PODPS calibration data base. ------------------------------------------------------------------------------------ 8. Scientific Key Words: HRS, CALIBRATION, CYCLE 1 ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 0 par: 0 10. Num targs pri: 0 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: HRS ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 2845c PI: Douglas D Duncan Proposal Title: GHRS 1ST ORDER GRATING SPECTRAL LAMP TEST ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Douglas K. Duncan ST SCI USA ------------------------------------------------------------------------------------ 2. Scientific Justification. GHRS CAL Objectives: Obtain routine calibration data for: 1. Carrousel calibration function coefficients. 2. Wavelength calibration dispersion constants. 3. Y deflection function coefficients. 4. Spectral resolving power, instrument profile. 5. Scattered light. 6. Grating to grating relative sensitivity. ------------------------------------------------------------------------------------ 3. Description of proposed observations. Observations will be made for the following first order gratings: Grating G1 (G140M), at 6 carrousel positions, for central wavelengths 1165, 1255, 1330, 1405, 1525, and 1705 Angstroms. Grating G2 (G160M), at 6 carrousel positions, for central wavelengths 1240, 1400, 1520, 1640, 1780, and 1940 Angstroms. Grating G3 (G200M), at 6 carrousel positions, for central wavelengths 1780, 1940, 2100, 2240, 2380, and 2500 Angstroms. Grating G4 (G270M), at 6 carrousel positions, for central wavelengths 2375, 2500, 2700, 2900, 3050, and 3200 Angstroms. Grating G5 (G140L), at 4 carrousel positions, for central wavelengths 1200, 1400, 1600, 1800 Angstroms. At each position, one spectral lamp (sc2) will be observed . Each observation will use substep pattern 3, with 4 samples per diode. The 2 point comb addition feature will be used, and a new spectrum Y balance offset will be calculated for each observation. ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. Repeats approximately every 4 months. Different gratings are independent tests, and need not be run together, or in any particular order. Guiding Tolerance: None - internal test only ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. 1. Coefficients for the carrousel function and Y deflection function are determined and entered into the project database. These coefficients will be used to construct OSTs for subsequent observations using this grating. 2. Wavelength calibration dispersion constants are entered into the PODPS calibration database. 3. Other parameters are derived for performance monitoring. ------------------------------------------------------------------------------------ 8. Additional comments or special requests. This is an internal test and does not require any special pointing of the telescope. This test does not require the GHRS to be the prime science instrument. There is no target list with this proposal. ------------------------------------------------------------------------------------ 10. Resources to be supplied by investigator's institution(s). 1. Test design support. 2. Test execution support team. 3. Data analysis facilities. 4. Data analysis personnel. ------------------------------------------------------------------------------------ 11. Address Information Page 3 Name: DOUGLAS D DUNCAN Category: PI Institution: ST SCI Address: 3700 SAN MARTIN DRIVE City: BALTIMORE State: MD Zip Code: 21218 Country: USA Telephone: Telex (or e-mail): ------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2845c [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1.6 WAVE HRS DEFCAL MIRROR-N1 1 116S 1 SEQ 1.6-7.4 NO GAP REPEAT 1.6-7.4 EVERY 120D +/- 20D FOR 3 MORE TIMES CYCLE 1/1.6-28.4 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 2 WAVE HRS ACCUM SC2 G140M 1165 STEP-PATT=3 1 128S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 3 ^ ^ ^ ^ ^ 1255 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 4 ^ ^ ^ ^ ^ 1330 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 5 ^ ^ ^ ^ ^ 1405 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 6 ^ ^ ^ ^ ^ 1525 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 7 ^ ^ ^ ^ ^ 1705 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 7.4 WAVE HRS DEFCAL MIRROR-N1 1 116S 1 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 7.6 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 SEQ 7.6-12.4 NO GAP REPEAT 7.6-12.4 EVERY 120D +/- 20D FOR 3 MORE TIMES Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 8 WAVE HRS ACCUM SC2 G160M 1240 STEP-PATT=3 1 64S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2845c [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 8.5 ^ ^ ^ ^ ^ 1400 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 9 ^ ^ ^ ^ ^ 1520 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 10 ^ ^ ^ ^ ^ 1640 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 11 ^ ^ ^ ^ ^ 1780 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 12 ^ ^ ^ ^ ^ 1940 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 12.4 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 12.6 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 SEQ 12.6-18.4 NO GAP REPEAT 12.6-18.4 EVERY 120D +/- 20D FOR 3 MORE TIMES Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 13 WAVE HRS ACCUM SC2 G200M 1780 STEP-PATT=3 1 25.6S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 14 ^ ^ ^ ^ ^ 1940 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 15 WAVE HRS ACCUM SC2 G200M 2100 STEP-PATT=3 1 25.6S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 16 ^ ^ ^ ^ ^ 2240 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2845c [ 6] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 17 ^ ^ ^ ^ ^ 2380 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 18 ^ ^ ^ ^ ^ 2500 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 18.4 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 18.6 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 SEQ 18.6-24.4 NO GAP REPEAT 18.6-24.4 EVERY 120D +/- 20D FOR 3 MORE TIMES Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 19 WAVE HRS ACCUM SC2 G270M 2375 STEP-PATT=3 1 12.8S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 20 ^ ^ ^ ^ ^ 2500 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 21 ^ ^ ^ ^ ^ 2700 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 22 ^ ^ ^ ^ ^ 2900 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 23 WAVE HRS ACCUM SC2 G270M 3050 STEP-PATT=3 1 12.8S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 24 ^ ^ ^ ^ ^ 3200 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 24.4 WAVE HRS DEFCAL MIRROR-N2 1 23.2S 1 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 2845c [ 7] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 24.6 WAVE HRS DEFCAL MIRROR-N1 1 116S 1 SEQ 24.6-28.4 NO GAP REPEAT 24.6-28.4 EVERY 120D +/- 20D FOR 3 MORE TIMES Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ 25 WAVE HRS ACCUM SC2 G140L 1200 STEP-PATT=3 1 25.6S 1 COMB=TWO Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 26 ^ ^ ^ ^ ^ 1400 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 27 ^ ^ ^ ^ ^ 1600 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 28 ^ ^ ^ ^ ^ 1800 ^ ^ ^ ^ Comments: COMPUTE AND APPLY SPECTRUM Y BALANCE. CLOSE THE SHUTTER. ------------------------------------------------------------------------------------------------------------------------------------ 28.4 WAVE HRS DEFCAL MIRROR-N1 1 116S 1 Comments: PERFORM A DEFLECTION CALIBRATION ONLY. ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 2845c [ 8] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations HRS ^ ------------------------------------------------------------------------------------------------------------------------------------ Opmodes DEFCAL ACCUM ^ ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters STEP-PATT=3 COMB=TWO ------------------------------------------------------------------------------------------------------------------------------------ Proposal for CAL/HRS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SEQ 1.6-7.4 NO GAP; REPEAT 1.6-7.4 EVERY 120D +/- 20D FOR 3 MORE TIMES; CYCLE 1/1.6-28.4; SEQ 7.6-12.4 NO GAP; REPEAT 7.6-12.4 EVERY 120D +/- 20D FOR SEQ 12.6-18.4 NO GAP; REPEAT 12.6-18.4 EVERY 120D +/- 20D FOR SEQ 18.6-24.4 NO GAP; REPEAT 18.6-24.4 EVERY 120D +/- 20D FOR SEQ 24.6-28.4 NO GAP; REPEAT 24.6-28.4 EVERY 120D +/- 20D FOR ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements MIRROR-N1 G140M ^ MIRROR-N2 G160M G200M G270M G140L ------------------------------------------------------------------------------------------------------------------------------------ Target Names ------------------------------------------------------------------------------------------------------------------------------------