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Compass and Scale Image of Galaxies NGC 2768 and NGC 4589

Compass and Scale Image of Galaxies NGC 2768 and NGC 4589

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 were obtained from the HST proposals 9293 PI: H. Ford (JHU) et al., and 9353 and 10498 PI: S. Smartt (Queen's University of Belfast) et al.
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>ACS/WFC
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    NGC 2768: May 31, 2002, and January 14, 2003; NGC 4589: November 11, 2006
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F435W (B), F555W (V), and F814W (I)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    NGC 2768, and NGC 4589
  • Object Description
    Object DescriptionThe type of astronomical object.
    Elliptical galaxies
  • Release Date
    August 13, 2015
  • Science Release
    NASA’s Hubble Finds Supernovae in ‘Wrong Place at Wrong Time’
    Read the release
  • Credit
    Image: NASA, ESA, and Z. Levay (STScI); Science: NASA, ESA, and R. Foley (University of Illinois)

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Compass and Scale Image of Galaxies NGC 2768 and NGC 4589
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

This image is a composite of separate exposures acquired by the ACS/WFC instrument. Several filters were used to sample various wavelengths. 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: F435W (B) Green: F555W (V) Red: F814W (I)

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, Maryland
claire.andreoli@nasa.gov

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