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Compass and Scale Image for Distant, Obscured Quasars

Compass and Scale Image for Distant, Obscured Quasars

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.
    The images were created from Hubble data from proposals: 12061 and 12062 (PI: S. Faber, University of California, Santa Cruz). The science team includes: K. Schawinski, B. Simmons, C.M. Urry, and E. Glikman (Yale University) and E. Treister (Universidad de Concepcion, Casilla, Chile).
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>WFC3/IR
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    June 19, 2012
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F125W (J) and F160W (H)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Top row (left to right): Galaxy 29263 and Galaxy 25783 Bottom row (left to right): Galaxy 33160 and Galaxy 36721
  • Object Description
    Object DescriptionThe type of astronomical object.
    Extended Chandra Deep Field South galaxies from the CANDELS Survey
  • Release Date
    June 19, 2012
  • Science Release
    Most Quasars Live on Snacks, Not Large Meals
    Read the release
  • Credit
    NASA, ESA, and K. Schawinski (Yale University)

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Compass and Scale Image for Distant, Obscured Quasars
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 WFC3 IR instrument. Several filters were used to sample various 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: F125W (J) Orange: 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
Mar 28, 2025
Contact
Media

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

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