Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #10598

Period Covered:
08:00 PM July 19, 2025 - 07:59 PM July 20, 2025
(DOY 201/0000z - 201/2359z)

Program Principal Investigator Program Title
Science Observations Scheduled
17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasars
17502 David Thilker, The Johns Hopkins University Resolving gas, star formation and feedback in nearby galaxies with an HST+JWST+ALMA Treasury
17697 Matti Dorsch, Universitat Potsdam A far-UV treasury survey for hot subdwarf stars
17724 Geoffrey Mo, California Institute of Technology An ultraviolet time-domain survey of the compact binary population in 47 Tucanae
17794 Sudeshna Boro Saikia, University of Vienna FUV flux of nearby exoplanet host stars in the Ariel target list
17804 R. O. Loyd, Eureka Scientific Inc. STELa: Survey of Transiting Exoplanets in Lyman-alpha
17809 David Thilker, The Johns Hopkins University Decoding stellar feedback in action with an HST+MUSE+JWST full-disk survey of starburst galaxy prototype NGC 253
17820 Casey Lam, Carnegie Institution of Washington First mass measurement of black holes in a globular cluster
17833 Julianne Dalcanton, University of Washington Bringing HST to the VLA: The Interaction of Stars and Gas in the Local Group
17915 Adam Riess, The Johns Hopkins University Completing the HST+Gaia Reference Sample to Optimize the Measurement of the Hubble Constant
Calibration Observations Scheduled
17631 Matthew Dallas, Space Telescope Science Institute STIS CCD Dark Monitor Part 3
17633 Joshua Lothringer, Space Telescope Science Institute STIS CCD Bias and Read Noise Monitor Part 2
17668 Aidan Pidgeon, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor Part 2
17692 Frederick Dauphin, Space Telescope Science Institute WFC3 CSM Monitor with Earth Flats
17940 Sten Hasselquist, Space Telescope Science Institute COS FUV LP7 Calibration: Profiles, Traces, Sensitivities, Flat Fields, and Spatial Resolution
Other Observations Scheduled
14472 Merle Reinhart, Space Telescope Science Institute ACS/COS/WFC3 NED History Log Collection
15962 Merle Reinhart, Space Telescope Science Institute Routine EEPROM dumps for ACS, COS, STIS, and WFC3