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Compass Image for NGC 1052-DF2

Compass Image for NGC 1052-DF2

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    02:41:46.728
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -08:24:09.871
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Cetus
  • Distance
    DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    The galaxy is 62 million light-years away from Earth.
  • Dimensions
    DimensionsThe physical size of the object or the apparent angle it subtends on the sky.
    Image is 2.5 arcmin across (about 45,000 light-years)

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 HST observations include those from program 14644 (P. van Dokkum)
  • Instrument
    InstrumentThe science instrument used to produce the data.
    ACS/WFC
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    16 Nov 2016
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F606W, F814W
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    NGC 1052-DF2
  • Object Description
    Object DescriptionThe type of astronomical object.
    Ultra Diffuse Galaxy
  • Release Date
    March 28, 2018
  • Science Release
    Dark Matter Goes Missing in Oddball Galaxy
    Read the release
  • Credit
    NASA, ESA, and P. van Dokkum (Yale University)

Downloads

  • 1000 × 666
    png (1.22 MB)
  • 2000 × 1333
    png (5.13 MB)
  • Full Res, 3000 × 2000
    tif (12.86 MB)
  • Full Res, 3000 × 2000
    png (11.84 MB)
Compass Image for NGC 1052-DF2
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

These images are a composite of separate exposures acquired by the ACS/WFC instrument on the Hubble Space Telescope. Several filters were used to sample narrow 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: F606W Red: F814W

Related Images & Videos

NGC 1052-DF2

NGC 1052-DF2

Hubble Views ‘Ghostly’ Galaxy Lacking Dark Matter This large, fuzzy-looking galaxy is so diffuse that astronomers call it a “see-through” galaxy because they can clearly see distant galaxies behind it. The ghostly object, catalogued as NGC 1052-DF2, doesn’t have a noticeable...

Hubble Views a Galaxy Lacking Dark Matter

Hubble Views a Galaxy Lacking Dark Matter

NASA's Hubble Space Telescope took an image of a bizarre, ghostly looking galaxy called NGC 1052-DF2 that astronomers calculate to have little to no dark matter. This is the first galaxy astronomers have discovered to be so lacking in dark matter, which is thought to comprise...

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Details

Last Updated
Mar 14, 2025
Contact
Media

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

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