13425( 5) - 19-Dec-2013 14:40:03 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 13425 Version: 5 Check-in Time: 19-Dec-2013 14:40:03 STScI Edit Number: 0 Title Multiwavelength Test For A Standard Accretion Disk Around An Intermediate Mass Black Hole Candidate ------------------------------------------------------------------------------------ Type Cycle GO 21 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Hua Feng Tsinghua University Y CoI: Dr. Philip Kaaret University of Iowa N CoI: Dr. Fabien Grise Instituto de Astrofisica de Canarias N CoI: Dr. Lian Tao Tsinghua University N ------------------------------------------------------------------------------------ Abstract Recent X-ray and optical observations suggest that the supersoft ultraluminous X-ray source in NGC 247 is an interesting candidate for an intermediate mass black hole, based on the fact that emission from an unusually cool and luminous accretion disk can explain multiwavelength data across 3 orders of magnitudes in wavelength. If the disk interpretation is valid, the source is predicted to be UV-luminous. Thus, we propose joint HST/XMM-Newton observations of the source for a definitive test of of the disk scenario and reliable measurement of the black hole mass. ------------------------------------------------------------------------------------ Observations Description ------------------------ The program is to obtain a SBC PR130L slitless spectrum and optical/IR images of the target NGC 247 ULX, which is a point-like source. The imaging observations includes WFC3 UVIS F225W , F336W, F438W, F606W, and F814W, and WFC3 IR F105W and F160W. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 13425( 5) - 19-Dec-2013 14:40:03 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC247ULX EXT-STAR, ACCRETION RA=00H47M3.8840S, J2000 V = 22.6 DISK DEC=-20D47'44.23" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 13425( 5) - 19-Dec-2013 14:40:03 - [ 3] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-SBC-DITHER-BOX Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 0.179 Line_Spacing 0.116 Coordinate_Frame POS-TARG Pattern_Orient 20.02 Angle_Between_Sides 63.65 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.636 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type ACS-SBC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.472 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 44.4 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 13425( 5) - 19-Dec-2013 14:40:03 - [ 4] Visit: 01 Visit Requirements: 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| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC247ULX ACS/SBC ACCUM SBC F165LP 1 76 S (152 PATTERN 4 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC247ULX ACS/SBC ACCUM SBC PR130L 1 587 S PATTERN 1 2 (2348 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC247ULX WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=11 1 234 S (468 PATTERN 2 3-7 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC247ULX WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=11 1 233 S (466 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC247ULX WFC3/UVI ACCUM UVIS2-M51 F438W FLASH=11 1 48 S (96 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC247ULX WFC3/UVI ACCUM UVIS2-M51 F606W FLASH=9 1 48 S (96 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC247ULX WFC3/UVI ACCUM UVIS2-M51 F814W FLASH=9 1 100 S (200 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC247ULX WFC3/IR MULTIAC IRSUB512 F105W SAMP-SEQ=STEP25, NSAMP=10 1 DEF PATTERN 3 8-9 CUM (256.879 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC247ULX WFC3/IR MULTIAC IRSUB512 F160W SAMP-SEQ=STEP25, NSAMP=11 1 DEF CUM (302.722 S) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC247ULX 1 ACS/SBC ACCUM SBC F165LP 1 none none none 1 N/A NGC247ULX 1 ACS/SBC ACCUM SBC F165LP 2 none none none 1 N/A NGC247ULX 2 ACS/SBC ACCUM SBC PR130L 1 none none none 1 N/A NGC247ULX 2 ACS/SBC ACCUM SBC PR130L 2 none none none 1 N/A NGC247ULX 2 ACS/SBC ACCUM SBC PR130L 3 none none none 1 N/A NGC247ULX 2 ACS/SBC ACCUM SBC PR130L 4 none none none 1 N/A 13425( 5) - 19-Dec-2013 14:40:03 - [ 5] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC247ULX 3 WFC3/UVI ACCUM UVIS2-M5 F225W 1 none none none 2 N/A S 12C-SUB NGC247ULX 3 WFC3/UVI ACCUM UVIS2-M5 F225W 2 none none none 2 N/A S 12C-SUB NGC247ULX 4 WFC3/UVI ACCUM UVIS2-M5 F336W 1 none none none 2 N/A S 12C-SUB NGC247ULX 4 WFC3/UVI ACCUM UVIS2-M5 F336W 2 none none none 2 N/A S 12C-SUB NGC247ULX 5 WFC3/UVI ACCUM UVIS2-M5 F438W 1 none none none 2 N/A S 12C-SUB NGC247ULX 5 WFC3/UVI ACCUM UVIS2-M5 F438W 2 none none none 2 N/A S 12C-SUB NGC247ULX 6 WFC3/UVI ACCUM UVIS2-M5 F606W 1 none none none 2 N/A S 12C-SUB NGC247ULX 6 WFC3/UVI ACCUM UVIS2-M5 F606W 2 none none none 2 N/A S 12C-SUB NGC247ULX 7 WFC3/UVI ACCUM UVIS2-M5 F814W 1 none none none 2 N/A S 12C-SUB NGC247ULX 7 WFC3/UVI ACCUM UVIS2-M5 F814W 2 none none none 2 N/A S 12C-SUB NGC247ULX 8 WFC3/IR MULTIAC IRSUB512 F105W 1 none none none 2 N/A CUM NGC247ULX 8 WFC3/IR MULTIAC IRSUB512 F105W 2 none none none 2 N/A CUM NGC247ULX 9 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 2 N/A CUM NGC247ULX 9 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 2 N/A CUM 13425( 5) - 19-Dec-2013 14:40:03 - [ 6] Summary Form for Proposal 13425 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IRSUB512, SBC, UVIS2-M512C-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/SBC, WFC3/IR, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=11, FLASH=9, NSAMP=10, NSAMP=11, SAMP-SEQ=STEP25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements PATTERN 1 2, PATTERN 2 3-7, PATTERN 3 8-9, PATTERN 4 1 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F105W, F160W, F165LP, F225W, F336W, F438W, F606W, F814W, PR130L ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC247ULX ------------------------------------------------------------------------------------------------------------------------------------