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Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    19h 58m 21.67s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    35° 12' 5.77"
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Cygnus XR-1
  • Release Date
    January 11, 2001
  • Science Release
    ‘Death Spiral’ Around a Black Hole Yields Tantalizing Evidence of an Event Horizon
    Read the release
  • Credit
    A. Feild (STScI)

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Related Images & Videos

Signature of Piece of Matter Falling into Black Hole Cygnus XR-1

Signature of Piece of Matter Falling into Black Hole Cygnus XR-1

Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

Matter Falling into a Black Hole

Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

Interview with J. Dolan (GSFC), Clip 1

We took a measurement of the intensity of the source once every 1/10,000 of a second...

Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

Interview with J. Dolan (GSFC), Clip 2

We saw pulses of light in the ultraviolet from a system containing an X-ray source...

Ultraviolet Light Signature of Dying Pulse Train Seen Near Event Horizon

Interview with J. Dolan (GSFC), Clip 3

The pulses can only be seen in the far ultraviolet region of the spectrum...

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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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