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Star Cluster AP108

Star Cluster AP108

About the Object

  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Andromeda

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    Data of M31 were obtained from the HST PHAT Treasury Proposals: P.I. J. Dalcanton (University of Washington) et al. 12055, 12056, 12057, 12058, 12059, 12076, 12070, 12071, 12072, 12073, 12074, 12075, 12114, 12105, 12106, 12107, 12108, 12109, 12111, 12112, 12113, 12114, and 12115. The science team comprises: D. Weisz and L.C. Johnson (University of Washington), D. Foreman-Mackey (New York University), A. Dolphin (Raytheon Company), L. Beerman, B. Williams, and J. Dalcanton (University of Washington), H.-W. Rix (Max Planck Institute for Astronomy, Heidelberg), D. Hogg (New York University/Max Planck Institute for Astronomy, Heidelberg), M. Fouesneau (Max Planck Institute for Astronomy, Heidelberg), B. Johnson (Harvard-Smithsonian Center for Astrophysics), E. Bell (University of Michigan), M. Boyer (STScI), D. Gouliermis (Max Planck Institute for Astronomy/University of Heidelberg), P. Guhathakurta (University of California, Santa Cruz), J. Kalirai (STScI), A. Lewis (University of Washington), A. Seth (University of Utah), and E. Skillman (University of Minnesota).
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>ACS/WFC, HST>WFC3/UVIS, and HST>WFC3/IR
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    July 2010 - October 2013
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F336W (U), F475W (g), F814W (I), and F160W (H)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    M31, Andromeda Galaxy, AP108
  • Object Description
    Object DescriptionThe type of astronomical object.
    Star cluster
  • Release Date
    September 3, 2015
  • Science Release
    Hubble Survey Unlocks Clues to Star Birth in Neighboring Galaxy
  • Credits
    NASA, ESA, J. Dalcanton, B.F. Williams, L.C. Johnson (University of Washington), and the PHAT team

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Star Cluster AP108
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

This images is a composite of separate exposures acquired by the ACS and WFC3 instruments on the Hubble Space Telescope. Several filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Blue: WFC3/UVIS F336W (U) Green: ACS/WFC F475W (g) Yellow: ACS/WFC F814W (I) Red: WFC3/IR F160W (H)

Compass and Scale
Compass and ScaleAn astronomical image with a scale that shows how large an object is on the sky, a compass that shows how the object is oriented on the sky, and the filters with which the image was made.

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Details

Last Updated
Feb 17, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov