11217( 2) - 04/30/07 08:24 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 11217 Version: 2 Check-in Time: 30-Apr-2007 12:24:19 STScI Edit Number: 1 Title The Light Echoes around V838 Monocerotis ------------------------------------------------------------------------------------ Type Cycle Parallel Pointing Tolerance GO 16 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Howard E. Bond Space Telescope Science Institute CoI: Dr. R. Mark Wagner University of Arizona N CoI: Dr. Richard L. White Space Telescope Science Institute N CoI: Dr. Romano Corradi Isaac Newton Group, Observatorio del Roque N de los Muchachos CoI: Dr. Lisa A. Crause University of Cape Town N CoI: Dr. Michael A. Dopita Australian National University N CoI: Dr. Arne A. Henden United States Naval Observatory N CoI: Dr. Zolt Levay Space Telescope Science Institute N CoI: Dr. Ulisse Munari Universita di Padova N CoI: Dr. Nino Panagia Space Telescope Science Institute - ESA N CoI: Dr. William B. Sparks Space Telescope Science Institute N CoI: Dr. Sumner G. Starrfield Arizona State University N CoI: Dr. Ben E. Sugerman Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract V838 Monocerotis, which burst upon the astronomical scene in early 2002, is a completely unanticipated new object. It underwent a large-amplitude and very luminous outburst, during which its spectrum remained that of an extremely cool supergiant. A rapidly evolving set of light echoes around V838 Mon was discovered soon after the outburst, and quickly became the most spectacular display of the phenomenon ever seen. These light echoes provide the means to accomplish three unique types of measurements based on continued HST imaging during the event: (1) Study effects of MHD turbulence at high resolution and in 3 dimensions; (2) Construct the first unambiguous and fully 3-D map of a circumstellar dust envelope in the Milky Way; (3) Study dust physics in a unique setting where the spectrum and light curve of the illumination, and the scattering angle, are unambiguously known. We have also used our HST data to determine the distance to V838 Mon through direct geometric techniques. Because of the extreme rarity of light echoes, this is almost certainly the only opportunity to achieve such results during the lifetime of HST. We propose two visits during Cycle 16, in order to continue the mapping of the circumstellar dust and to accomplish the other goals listed above. ------------------------------------------------------------------------------------ 11217( 2) - 04/30/07 08:24 - [ 2] Observations Description ------------------------ This program contains two visits, 5 orbits each, for imaging of the light echo around V838 Mon with the WFPC2. Images will be taken in V (F606). We will use 2 pointings with dithering to cover the entire echo. The two visits during Cycle 16 are placed as far apart as possible, at the beginning and end of the target visibility season. One visit will be in September 2007, and the other in February 2008. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 11217( 2) - 04/30/07 08:24 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 V838-MON- ISM, EJECTA, PLANETARY RA=07H04M5.8200S +/- 0.1", DEC=- J2000 V = 15.5 ECHO-COPY NEBULA, REFLECTION 03D50'40.00" +/- 0.1" NEBULA, WIND Reference Frame: ICRS Comments: Geometric center of light echo, based on ACS images obtained in September 2006. 11217( 2) - 04/30/07 08:24 - [ 4] Visit: 01 Visit Priority: Visit Requirements: BETWEEN 01-SEP-2007:00:00:00 AND 21-SEP-2007:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.34, 13.99 HO-COPY see below ------------------------------------------------------------------------------------------------------------------------------------ 2 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.838, 14.239 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 3 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 9.087, 14.737 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 4 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.589, 14.488 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 5 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.34, 13.99 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 1 none 1 1100.0 S X V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 2 none 1 1100.0 S X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 1 none 2 N/A X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 2 none 2 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 1 none 3 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 2 none 3 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 1 none 4 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 2 none 4 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 1 none 5 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 2 none 5 N/A X 11217( 2) - 04/30/07 08:24 - [ 5] Visit: 02 Visit Priority: Visit Requirements: SAME ORIENT AS 01; BETWEEN 01-SEP-2007:00:00:00 AND 21-SEP-2007:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.36, 13.99 HO-COPY see below ------------------------------------------------------------------------------------------------------------------------------------ 2 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -65.862, 14.239 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 3 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -65.613, 14.737 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 4 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.111, 14.488 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 5 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.36, 13.99 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 1 none 1 1100.0 S X V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 2 none 1 1100.0 S X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 1 none 2 N/A X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 2 none 2 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 1 none 3 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 2 none 3 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 1 none 4 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 2 none 4 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 1 none 5 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 2 none 5 N/A X 11217( 2) - 04/30/07 08:24 - [ 6] Visit: 03 Visit Priority: Visit Requirements: BETWEEN 09-JAN-2008:00:00:00 AND 01-MAR-2008:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.34, 13.99 HO-COPY see below ------------------------------------------------------------------------------------------------------------------------------------ 2 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.838, 14.239 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 3 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 9.087, 14.737 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 4 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.589, 14.488 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 5 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG 8.34, 13.99 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 1 none 1 1100.0 S X V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 2 none 1 1100.0 S X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 1 none 2 N/A X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 2 none 2 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 1 none 3 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 2 none 3 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 1 none 4 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 2 none 4 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 1 none 5 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 2 none 5 N/A X 11217( 2) - 04/30/07 08:24 - [ 7] Visit: 04 Visit Priority: Visit Requirements: SAME ORIENT AS 03; BETWEEN 09-JAN-2008:00:00:00 AND 01-MAR-2008:00:00:00 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.36, 13.99 HO-COPY see below ------------------------------------------------------------------------------------------------------------------------------------ 2 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -65.862, 14.239 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 3 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -65.613, 14.737 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 4 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.111, 14.488 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ 5 V838-MON-EC WFPC2 IMAGE WFALL-FIX F606W CR-SPLIT=NO 2 1100 S POS TARG -66.36, 13.99 HO-COPY ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 1 none 1 1100.0 S X V838-MON-ECHO-COPY 1 WFPC2 IMAGE WFALL-FI F606W none none 2 none 1 1100.0 S X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 1 none 2 N/A X V838-MON-ECHO-COPY 2 WFPC2 IMAGE WFALL-FI F606W none none 2 none 2 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 1 none 3 N/A X V838-MON-ECHO-COPY 3 WFPC2 IMAGE WFALL-FI F606W none none 2 none 3 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 1 none 4 N/A X V838-MON-ECHO-COPY 4 WFPC2 IMAGE WFALL-FI F606W none none 2 none 4 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 1 none 5 N/A X V838-MON-ECHO-COPY 5 WFPC2 IMAGE WFALL-FI F606W none none 2 none 5 N/A X 11217( 2) - 04/30/07 08:24 - [ 8] Summary Form for Proposal 11217 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFALL-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 01-SEP-2007 00 00 00 AND 21-SEP-2007 00 00 00; POS TARG 8.34, 13.99; POS TARG 8.838, 14.239; POS TARG 9.087, 14.737; POS TARG 8.589, 14.488; SAME ORIENT AS 01; BETWEEN 01-SEP-2007 00 00 00 AND 21-SEP-2007 00 00 00; POS TARG -66.36, 13.99; POS TARG -65.862, 14.239; POS TARG -65.613, 14.737; POS TARG -66.111, 14.488; BETWEEN 09-JAN-2008 00 00 00 AND 01-MAR-2008 00 00 00; SAME ORIENT AS 03; BETWEEN 09-JAN-2008 00 00 00 AND 01-MAR-2008 00 00 00; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W ------------------------------------------------------------------------------------------------------------------------------------ Target Names V838-MON-ECHO-COPY ------------------------------------------------------------------------------------------------------------------------------------