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Compass Image for HR 4796A

Compass Image for HR 4796A

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    12:36:01.03
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -39:52:10.23
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Centaurus
  • 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.
    237 light-years
  • Dimensions
    DimensionsThe physical size of the object or the apparent angle it subtends on the sky.
    Image ls about 23 arc seconds across (about 0.02 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 13786 (G. Schneider)
  • Instrument
    InstrumentThe science instrument used to produce the data.
    STIS/CCD
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    January - July 2015
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    HR 4796A
  • Object Description
    Object DescriptionThe type of astronomical object.
    Dusty disk surrounding young star HR 4796A
  • Release Date
    March 6, 2018
  • Science Release
    Hubble Finds Huge System of Dusty Material Enveloping the Young Star HR 4796A
    Read the release
  • Credit
    NASA, ESA, and G. Schneider (University of Arizona)

Downloads

  • Full Res, 1600 × 1600
    png (2.76 MB)
  • Full Res, 1600 × 1600
    tif (2.78 MB)
Compass Image for HR 4796A
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 STIS-CCD instrument on the Hubble Space Telescope. The color results from assigning the color blue to a monochromatic (grayscale) image.

Related Images & Videos

Labeled image of star HR 4796A’s circumstellar disk as seen by the Hubble Space Telescope.

HR 4796A Stellar Dust Disk

Huge System of Dusty Material Enveloping the Young Star HR 4796A This is a Hubble Space Telescope photo of a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. A bright, narrow inner ring of dust is already known to encircle the...

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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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