! Proposal 6925, submission 3 ! PI: Luis Colina ! Received Mon Jul 15 16:14:43 EDT 1996 ! From: colina@stsci.edu ! +====================+ ! | PED OUTPUT PRODUCT | ! +====================+ ! ! /n/Jnb/hst/Egalaxies/6925.prop ! Generated by PREPROCESSOR, version 6.0e ! Date: Tue Jan 30 15:09:19 EST 1996 Proposal_Information Title: FOS OBSERVATIONS OF SOLAR ANALOG STANDARDS Proposal_Category: CAL/OTA Scientific_Category: COOL STARS Cycle: 6 Investigators PI_Name: Luis Colina PI_Institution: Space Telescope Science Institute CoI_Name: Ralph C. Bohlin CoI_Institution: Space Telescope Science Institute Contact: Y CoI_Name: Stefano Casertano CoI_Institution: Space Telescope Science Institute Contact: N Abstract: We request FOS observations of three selected solar analog stars to obtain an accurate absolute spectrophotometry of faint red stars in the 2200A to 8500A wavelength range. These selected stars will be the primary standards for the absolute calibration of the near-infrared camera (NICMOS). The FOS spectra will be used in evaluating the accuracy of the method and assumptions behind the absolute calibration of NICMOS. The IDT proposed calibration is based on broad band photometry of these stars, which defines the absolute flux by assuming that the intrinsic spectra are identical to the solar spectrum. A detailed analysis of the differences in the spectral features and energy distribution of the selected G stars with respect to the reference spectrum of the Sun will be performed. So far, all HST standards are blue hot stars or white dwarfs with colors B-V < -0.1. The four selected G stars will then be converted into new HST standards and added to the current sample of HST absolute calibration standards. These new faint red (B-V ~ +0.65) G stars are needed in the calibration of the WFPC2 in order to measure broadband calibration differences for precisely known flux distributions for red stars, as well as the for blue stars that are currently used. Future HST spectrographs (STIS) can also make use of these red faint HST standards to measure levels of grating scattered parasitic light. Questions Observing_Description: The FOS high dispersion gratings G270H, G400H, G570H and G780H with the red side detector will be used to cover the 2200A to 8500A wavelength range. The observations will be done with the 1" aperture and repeated a couple of times per target. The targets will be acquired with an acquisition strategy aimed to a final pointing accuracy of 0.05". The overhead for this acquisition strategy is one orbit, or less. Thus, a total of six orbits will be needed for the 6 independent target acquisitions. For stars P177D, and P330E, two orbits per visit will be needed for the observations. For the brightest star P041C, one orbit will allow to obtain good spectra in the different gratings. A total of 16 orbits for the whole project are required. Real_Time_Justification: None. Calibration_Justification: Additional_Comments: Fixed_Targets Target_Number: 1 Target_Name: P330E-CALIB Alternate_Names: Description: CALIBRATION, Photometric Position: RA = 16H 31M 33.85S +/- 0.1S, DEC = +30D 08' 47.1" +/- 0.1", PLATE-ID=01G4 Equinox: J2000 RV_or_Z: RA_PM: 0.0 Dec_PM: 0.0 Epoch: Annual_Parallax: 0.0 Flux: V= 13.1, E(B-V)= 0.01 Comments: Target_Number: 2 Target_Name: P041C-CALIB Alternate_Names: Description: CALIBRATION, Photometric Position: RA = 14H 51M 58.19S +/- 0.1S, DEC = +71D 43' 17.3" +/- 0.1", PLATE-ID=01L5 Equinox: J2000 RV_or_Z: RA_PM: 0.0 Dec_PM: 0.0 Epoch: Annual_Parallax: 0.0 Flux: V= 12.1, E(B-V)= 0.01 Comments: Target_Number: 3 Target_Name: P177D-CALIB Alternate_Names: Description: CALIBRATION, Photometric Position: RA = 15H 59M 13.59S +/- 0.1S, DEC = +47D 36' 41.8" +/- 0.1", PLATE-ID=00T9 Equinox: J2000 RV_or_Z: RA_PM: 0.0 Dec_PM: 0.0 Epoch: Annual_Parallax: 0.0 Flux: V= 13.6, E(B-V)= 0.01 Comments: Solar_System_Targets Generic_Targets Scan_Data Visits Visit_Number: 01 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-NOV-1996 AFTER 4 BY 15D On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/BINARY Aperture: 4.3 Sp_Element: MIRROR Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.12, SCAN-STEP-X=0.12, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 2S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.052, SCAN-STEP-X=0.052, SEARCH-SIZE-Y=3, SEARCH-SIZE-X=3 Number_of_Iterations: 1 Time_Per_Exposure: 2S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 100S Special_Requirements: Comments: Exposure_Number: 50 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 150S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 2750S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1500S Special_Requirements: Comments: Visit_Number: 02 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-NOV-1996 On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/BINARY Aperture: 4.3 Sp_Element: MIRROR Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.12, SCAN-STEP-X=0.12, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 4S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.052, SCAN-STEP-X=0.052, SEARCH-SIZE-Y=3, SEARCH-SIZE-X=3 Number_of_Iterations: 1 Time_Per_Exposure: 4S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 120S Special_Requirements: Comments: Exposure_Number: 50 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 180S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 3000S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1500S Special_Requirements: Comments: Visit_Number: 03 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-DEC-1996 On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 4.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=1.23, SEARCH-SIZE-X=1, SEARCH-SIZE-Y=3 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.61, SCAN-STEP-X=0.61, SEARCH-SIZE-Y=2, SEARCH-SIZE-X=6 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.17, SCAN-STEP-X=0.17, SEARCH-SIZE-Y=5, SEARCH-SIZE-X=5 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.07, SCAN-STEP-X=0.07, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 50 Comments: Exposure_Number: 50 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 60S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1800S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 2250S Special_Requirements: Comments: Exposure_Number: 80 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 90S Special_Requirements: Comments: Visit_Number: 04 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-DEC-1996 On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/BINARY Aperture: 4.3 Sp_Element: MIRROR Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.12, SCAN-STEP-X=0.12, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 2S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.052, SCAN-STEP-X=0.052, SEARCH-SIZE-Y=3, SEARCH-SIZE-X=3 Number_of_Iterations: 1 Time_Per_Exposure: 2S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 100S Special_Requirements: Comments: Exposure_Number: 50 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 150S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 2750S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P330E-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1500S Special_Requirements: Comments: Visit_Number: 05 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-NOV-1996 On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/BINARY Aperture: 4.3 Sp_Element: MIRROR Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.12, SCAN-STEP-X=0.12, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 4S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.052, SCAN-STEP-X=0.052, SEARCH-SIZE-Y=3, SEARCH-SIZE-X=3 Number_of_Iterations: 1 Time_Per_Exposure: 4S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 120S Special_Requirements: Comments: Exposure_Number: 50 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 180S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 3000S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P177D-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1500S Special_Requirements: Comments: Visit_Number: 06 Visit_Requirements: BETWEEN 1-JUN-1996 AND 1-DEC-1996 AFTER 3 BY 15D On_Hold_Comments: Visit_Comments: Exposure_Number: 10 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 4.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=1.23, SEARCH-SIZE-X=1, SEARCH-SIZE-Y=3 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 20 Comments: Exposure_Number: 20 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.61, SCAN-STEP-X=0.61, SEARCH-SIZE-Y=2, SEARCH-SIZE-X=6 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 30 Comments: Exposure_Number: 30 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.17, SCAN-STEP-X=0.17, SEARCH-SIZE-Y=5, SEARCH-SIZE-X=5 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 40 Comments: Exposure_Number: 40 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACQ/PEAK Aperture: 0.3 Sp_Element: G570H Wavelength: Optional_Parameters: SCAN-STEP-Y=0.07, SCAN-STEP-X=0.07, SEARCH-SIZE-Y=4, SEARCH-SIZE-X=4 Number_of_Iterations: 1 Time_Per_Exposure: 1S Special_Requirements: ONBOARD ACQ FOR 50 Comments: Exposure_Number: 50 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G570H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 60S Special_Requirements: Comments: Exposure_Number: 60 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G780H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 1800S Special_Requirements: Comments: Exposure_Number: 70 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G270H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 2250S Special_Requirements: Comments: Exposure_Number: 80 Target_Name: P041C-CALIB Config: FOS/RD Opmode: ACCUM Aperture: 1.0 Sp_Element: G400H Wavelength: Optional_Parameters: Number_of_Iterations: 1 Time_Per_Exposure: 90S Special_Requirements: Comments: Data_Distribution ! 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