6238( 8) - 11/22/95 17:49 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 6238 Version: 8 Check-in Date: ********** 1.Proposal Title: COMPANION TO GL623 ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Cycle COOL STARS GTO/AST 5 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: William H. Jefferys University of Texas CoI: Otto G. Franz Lowell Observatory N ------------------------------------------------------------------------------------ 6. Abstract We will observe GL623 6 times during Cycle 5. When added to the 3 observations to be secured during Cycle 6, we will obtain a precise parallax, barycentric orbits, and accurate masses of this star and its faint, low-mass (possibly sub-stellar) companion. ------------------------------------------------------------------------------------ Observations Description ------------------------ We will observe GL623 during Cycle 5 to determine its parallax and the orbit of the faint companion. VISITS ARE MORE IMPORTANT THAN REFERENCE STARS, SO FEEL FREE TO CHOP STARS OFF THE ENDS OF VISITS TO FIT INTO AN ORBIT. All visits are scheduled to occur during times of maximum parallax factors. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- TWEAK POSITIONS ONCE GSSS PRODUCTS SHOW UP Note: ------------------------------------------------------------------------------------ Data Distribution Media: 8MM Blocking Factor: 10 Ship To: O.G. Franz*Lowell Observatory*1400 W. Mars Hill Rd.*Flagstaff, AZ 86001 Ship Via: UPS Email: ogf@lowell.edu , ------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 2] TARGET LIST a) Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 GL623 STAR RA=16H 24M 04.12S +/- J2000 V = 10.27 +/- 0.05 0.00014D, DEC= 48D 21M 31.7S +/- 0.00014D Comments: B-V = 1.48 Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 1955.20 0.116 -0.460 .10 2 GL623-1-REF CALIBRATION,ASTROMETRIC RA=245.92132D +/- 0.00014D, DEC= J2000 V = 13.7 +/- 0.2 , 48.33431D +/- 0.00014D Comments: Star 53 on OGF list 3 GL623-2-REF CALIBRATION,ASTROMETRIC RA=245.96787D +/- 0.00014D, J2000 V = 14.4 +/- 0.2 , DEC=48.36818D +/- 0.00014D Comments: Star 224 on OGF list 4 GL623-4-REF CALIBRATION,ASTROMETRIC RA=246.11151D +/- 0.00014D, J2000 V = 12.4 +/- 0.2 , DEC=48.36953D +/- 0.00014D Comments: Star 0 on OGF list 5 GL623-5-REF CALIBRATION,ASTROMETRIC RA=246.14610D +/- 0.00014D, J2000 V = 15.0 +/- 0.2 , DEC=48.33139D +/- 0.00014D Comments: Star 96 on OGF list 6 GL623-6-REF CALIBRATION,ASTROMETRIC RA=245.89961D +/- 0.00014D, J2000 V = 14.7 +/- 0.2 , DEC=48.39703D +/- 0.00014D Comments: Star 223 on OGF list 6238( 8) - 11/22/95 17:49 - [ 3] Visit: 01 Visit Requirements: BETWEEN 21-JUL-1995:00:00:00 AND 31-JUL-1995:23:59:59; ORIENT 104D TO 108D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S POS TARG 0.0, 0.0;MAX DUR 15S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-6-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 55S MAX DUR 55S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 55S MAX DUR 55S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 4] Visit: 02 Visit Requirements: BETWEEN 6-AUG-1995:00:00:00 AND 23-AUG-1995:23:59:59; ORIENT 106D TO 110D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S POS TARG 0.0, 0.0;MAX DUR 15S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-6-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 55S MAX DUR 55S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 55S MAX DUR 55S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 5] Visit: 03 Visit Requirements: BETWEEN 6-FEB-1996:00:00:00 AND 16-FEB-1996:00:00:00; ORIENT 266D TO 270D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S POS TARG 0.0, 0.0;MAX DUR 20S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-1-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 6] Visit: 04 Visit Requirements: BETWEEN 17-FEB-1996:00:00:00 AND 29-FEB-1996:23:59:50; ORIENT 266D TO 270D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S POS TARG 0.0, 0.0;MAX DUR 20S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-1-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 7] Visit: 05 Visit Requirements: BETWEEN 1-MAR-1996:00:00:00 AND 20-MAR-1996:23:59:59; ORIENT 266D TO 270D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S POS TARG 0.0, 0.0;MAX DUR 20S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-1-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 8] Visit: 06 Visit Requirements: BETWEEN 25-MAR-1996:00:00:00 AND 5-APR-1996:00:00:00; ORIENT 260D TO 264D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S POS TARG 0.0, 0.0;MAX DUR 20S SEQ 10-110 NON-INT Comments: OBSERVATION MAY BE TRUNCATED TO SATISFY MONITORING SPACING REQUIREMENTS; FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 20 GL623-1-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 30 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 40 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 50 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 60 GL623 FGS TRANS 3 F583W ACQ- 1 720S MODE=SEARCH, SCANS=20, STEP- SIZE=1, DATA- RATE=32 Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 70 GL623 FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S Comments: FINE LOCK GUIDING ------------------------------------------------------------------------------------------------------------------------------------ 80 GL623-2-REF FGS POS 3 F583W DATA-RATE=32 1 40S MAX DUR 40S ------------------------------------------------------------------------------------------------------------------------------------ 90 GL623-4-REF FGS POS 3 F583W DATA-RATE=32 1 20S MAX DUR 20S ------------------------------------------------------------------------------------------------------------------------------------ 100 GL623-5-REF FGS POS 3 F583W DATA-RATE=32 1 60S MAX DUR 60S ------------------------------------------------------------------------------------------------------------------------------------ 110 GL623 FGS POS 3 F583W DATA-RATE=32 1 15S MAX DUR 15S ------------------------------------------------------------------------------------------------------------------------------------ 6238( 8) - 11/22/95 17:49 - [ 9] Summary Form for Proposal 6238 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FGS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes POS TRANS ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters DATA-RATE=32 STEP-SIZE=1 SCANS=20 ACQ-MODE=SEARCH ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GTO/AST ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category COOL STARS ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 21-JUL-1995 00 00 00 AND 31-JUL-1995 23 59 59; ORIENT 104D TO 108D POS TARG 0.0, 0.0;MAX DUR 15S SEQ 10-110 NON-INT MAX DUR 40S MAX DUR 20S MAX DUR 55S MAX DUR 15S BETWEEN 6-AUG-1995 00 00 00 AND 23-AUG-1995 23 59 59; ORIENT 106D TO 110D BETWEEN 6-FEB-1996 00 00 00 AND 16-FEB-1996 00 00 00; ORIENT 266D TO 270D POS TARG 0.0, 0.0;MAX DUR 20S SEQ 10-110 NON-INT MAX DUR 60S BETWEEN 17-FEB-1996 00 00 00 AND 29-FEB-1996 23 59 50; ORIENT 266D TO 270D BETWEEN 1-MAR-1996 00 00 00 AND 20-MAR-1996 23 59 59; ORIENT 266D TO 270D BETWEEN 25-MAR-1996 00 00 00 AND 5-APR-1996 00 00 00; ORIENT 260D TO 264D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F583W ------------------------------------------------------------------------------------------------------------------------------------ Target Names GL623 GL623-2-REF GL623-6-REF GL623-4-REF GL623-5-REF GL623-1-REF ------------------------------------------------------------------------------------------------------------------------------------