HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT #4896 PERIOD COVERED: 5am July 27 - 5am July 28, 2009 (DOY 208/09:00z-209/09:00z) OBSERVATIONS SCHEDULED COS 11478 COS NUV Flat Fields Acquire long NUV flat field exposures using the internal deuterium calibration lamp with the G185M grating. Use central wavelengths of 1835 angstroms, 1850 angstroms, and 1864 angstroms. Based on data taken during thermal vacuum testing in 2003 (Test 1750), a total of 65,000 seconds of data should ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT #4895 PERIOD COVERED: 5am July 24 - 5am July 27, 2009 (DOY 205/09:00z-208/09:00z) OBSERVATIONS SCHEDULED STIS/CCD 11850 CCD Sparse Field CTE Internal CTE measurements are made using the "internal sparse field test", along the parallel axis. The "POS=" optional parameter, introduced during cycle 11, is used to provide off- center MSM positionings of some slits. All exposures are internals. STIS/CCD 11849 STIS C ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT #4888 PERIOD COVERED: 5am July 15 - 5am July 16, 2009 (DOY 196/0900z-197/0900z) OBSERVATIONS SCHEDULED COS 11469 COS NUV Optics Alignment and Focus This program has stringent guide star and timing requirements. Refer to the observing description section for complete details. This program determines the fine focus using NUV MIRRORA exposures of the same target as COS08 (program 11468 - COS to FGS Alignment (NUV)). This program must ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science   DAILY REPORT       #4887 PERIOD COVERED: 5am July 14 - 5am July 15, 2009 (DOY 195/0900z-196/0900z)   OBSERVATIONS SCHEDULED   ACS 11465   ACS CCD monitoring and calibration for WFC   This program is a smaller version of our routine CCD monitoring program,designed to run throughout SMOV, after which our regular Cycle 17 CALproposal will begin. This program obtains the bias and dark frame ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4886 PERIOD COVERED: 5am July 13 - 5am July 14, 2009 (DOY 194/0900z-195/0900z) OBSERVATIONS SCHEDULED COS 11469 COS NUV Optics Alignment and Focus This program has stringent guide star and timing requirements. Refer to the observing description section for complete details. This program determines the fine focus using NUV MIRRORA exposures of the same target as COS08 (program 11468 - COS to FGS ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT    #4885 PERIOD COVERED: 5am July 10 - 5am July 13, 2009 (DOY 191/0900z-194/0900z) OBSERVATIONS SCHEDULED WFC3 11808 WFC3 UVIS Bowtie Monitor The UVIS detector was observed during ground testing to occasionally exhibit flat field and dark variations with a bowtie pattern. These variations are most significant as ~1% flat field (gain) variations across the field of view. It is believed that this represents a state or ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT      #4884 PERIOD COVERED: 5am July 9 - 5am July 10, 2009 (DOY 190/0900z-191/0900z) OBSERVATIONS SCHEDULED ACS 11374 CCD Flat Field Stability (Internal Tungsten Lamps) The stability of the CCD flat fields will be investigated using the internal tungsten calibration lamps and the standard filter subset (F435W, F625W, F814W, and F850LP). High signal observations will be used to assess the stability of the pixe ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science   DAILY REPORT      #4883   PERIOD COVERED: 5am July 8 - 5am July 9, 2009 (DOY 189/0900z-190/0900z)   OBSERVATIONS SCHEDULED   ACS 11369   ACS CCD Functional Test for WFC   During the ACS Repair (ACS-R) conducted during Hubble Servicing Mission4 (SM4), astronauts will install a CCD Electronics Box Replacement(CEB-R) and Low-Voltage Power Supply Replacement (LVPS-R). A rudimentaryaliveness ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4877 PERIOD COVERED: 5am June 29 - 5am June 30, 2009 (DOY 180/0900z-181/0900z) OBSERVATIONS SCHEDULED COS 11482 FUV Detector Dark Measure the FUV detector dark rate by taking long science exposures with no light on the detector. The detector dark rate and spatial distribution of counts will be compared to pre-launch data in order to verify the nominal operation of the detector, and for use in th ...Continue Reading

HUBBLE SPACE TELESCOPE - Continuing to collect World Class Science DAILY REPORT       #4876 PERIOD COVERED: 5am June 26 - 5am June 29, 2009 (DOY 177/0900z-180/0900z) OBSERVATIONS SCHEDULED WFC3/UV 11808 WFC3 UVIS Bowtie Monitor The UVIS detector was observed during ground testing to occasionally exhibit flat field and dark variations with a bowtie pattern. These variations are most significant as ~1% flat field (gain) variations across the field of view. It is believed that this represent ...Continue Reading