Hubble Space Telescope Snapshot Survey for Resolved Companions of Galactic Cepheids: Final ResultsBased on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NASA5-26555. Based on observations made with the Chandra X-ray Observatory.

National Aeronautics & Space Administration (NASA) NAS 5-26555 17200363 Space Telescope Science Institute GO-12215.01-A GO-13368.01-A National Aeronautics & Space Administration (NASA) NAS8-03060 National Aeronautics and Space Administration through the Smithsonian Astrophysical Observatory SV3-73016 National Aeronautics & Space Administration (NASA) NAS803060 French National Research Agency (ANR) ANR-15-CE31-0012-01 European Research Council (ERC) 695099