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Scale and Compass for Galaxy Cluster Abell 1689

Scale and Compass for Galaxy Cluster Abell 1689

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    13h 11m 34.19s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -1° 21' 56.0"
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Virgo
  • 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.
    2.25 billion light-years (690 megaparsecs)

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.

    ACS/WFC data of Abell 1689 were obtained as part of HST proposal 11710 : J. Blakeslee (NRC Herzberg Astrophysics Program, Victoria, B.C.)

    Proposal co-Is include science team members listed below plus R. Bouwens (Leiden University), R. Barber DeGraaff (Washington State University), D. Magee (University of California, Santa Cruz), L. Bradley (STScI), and A. Zirm (University of Copenhagen).

    Authors on the science paper include: J. Blakeslee (NRC Herzberg Astrophysics Program, Victoria, B.C.), K. Alamo-Martinez and R. Gonzalez-Lopezlira (National Autonomous University of Mexico) M.J. Jee (University of California, Davis), P. Cote and L. Ferrarese (DAO/NRC Herzberg Astrophysics), A. Jordan (Pontifical Catholic University of Chile), G. Meurer (University of Western Australia, Perth), E. Peng (Kavli Institute for Astronomy and Astrophysics, Peking University), and M. West (Maria Mitchell Observatory).

  • 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.
    May 29 - July 8, 2010
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F475W (g), F625W (r), F775W (i), F814W (I), and F850LP (z)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Abell 1689
  • Object Description
    Object DescriptionThe type of astronomical object.
    Galaxy Cluster and Globular Star Clusters
  • Release Date
    September 12, 2013
  • Science Release
    Hubble Uncovers Largest Known Population of Star Clusters
    Read the release
  • Credit
    NASA, ESA, and Z. Levay (STScI/AURA); Acknowledgment: J. Blakeslee (NRC Herzberg Astrophysics Program) and H. Ford (JHU)

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Scale and Compass for Galaxy Cluster Abell 1689
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

Note: The release image is a composite of the F814W (I) data from proposal 11710, taken May 29 - July 8, 2010, and F475W (g), F625W (r), F775W (i), and F850LP (z) data from proposal 9289, PI: H. Ford (JHU), taken June 12 - 21, 2002. This image is a composite of separate exposures acquired by the ACS instrument on the Hubble Space Telescope (HST). 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: Galaxy Cluster (left): Blue: F475W (g)Green: F625W (r)Red: F775W (i) + F850LP (z) Globular Star Clusters (right):Blue: F475W (g)Green: F625W (r)Red: F775W (i) + F814W (I) + F850LP (z)

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.

Related Images & Videos

Two side-by-side images. On the left is a cluster of golden galaxies on the black background of space. A white rectangle highlights the area of the image on the right. The right image has light orange dots of different sizes. Larger orbs appear at the top left and right of the image. A larger golden-orange circle lights up the bottom left. The set of images are labeled with the object name, "Globular Clusters in Galaxy Cluster Abell 1689," and instrument, "Hubble Space Telescope, ACS/WFC".

Globular Star Clusters in Galaxy Cluster Abell 1689

Hubble Finds Galaxy Cluster Abell 1689 Full of Giant Star Clusters Peering deep into the heart of the massive galaxy cluster Abell 1689, NASA's Hubble Space Telescope has nabbed more than 160,000 globular clusters, the largest population ever seen. The image at left, taken by...

Hubble Wide-Field Image of Galaxy Cluster and Gravitational Lens Abell 1689

Hubble Wide-Field Image of Galaxy Cluster and Gravitational Lens Abell 1689

This new image from Hubble of the massive galaxy cluster Abell 1689 shows the phenomenon of gravitational lensing with unprecedented clarity. This cluster acts like a cosmic lens, magnifying the light from objects lying behind it and making it possible for astronomers to explore...

Galaxy Cluster Abell 1689

Galaxy Cluster Abell 1689

Light orange dots of different sizes are scattered on the black background of space.

Globular Clusters in Abell 1689

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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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