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NGC 4438

NGC 4438

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    12h 27m 45.91s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    13° 0' 32.29"
  • 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.
    About 16 Mpc (50 million light-years)
  • Dimensions
    DimensionsThe physical size of the object or the apparent angle it subtends on the sky.
    The detailed image is 32 arcseconds (about 2500 parsecs) wide.

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.
    Principal Astronomer: J. Kenney (Yale University)
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>WFPC2
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    March 24, 1999, Exposure Time: 4 hours
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F814W (I), F675W (R), F450W (B), F656N (H-alpha), F658N ([N II])
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    NGC 4438, Arp 120
  • Object Description
    Object DescriptionThe type of astronomical object.
    Peculiar Galaxy
  • Release Date
    June 5, 2000
  • Science Release
    Feasting Black Hole Blows Bubbles
  • Credit
    NASA and Jeffrey Kenney and Elizabeth Yale (Yale University)

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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