PROMPT-3 Telescope

Photograph of PROMPT-3 Telescope


PROMPT, an acronym for Panchromatic Robotic Optical Monitoring and Polarimetry Telescopes, was built by the University of North Carolina at Chapel Hill at Cerro Tololo Inter-American Observatory (CTIO) in Chile. PROMPT consists of several telescopes.

For scientists: More details can be found on the science telescope page and the Skynet webpage.


PROMPT-3 Telescope

Name(s) PROMPT-3 Telescope
Status Operational
Broad Science Goals
  • Rapid and simultaneous multiwavelength observations of gamma-ray burst afterglows
  • Measuring redshifts by dropout, and early-time SFDs and extinction curves of sufficiently bright afterglows in detail.
  • Platform for undergraduate and high school education throughout the State of North Carolina.
Site Cerro Tololo Inter-American Observatory, Chile 
Location Coordinates 30º 10’ 03.49’S
70º 48’ 18.85’W
Altitude 2207 meters (7240 feet)
Type Optical and Polarimetry Telescope
Optical Design Ritchey-Chrétien telescope
Field of View 21.3 x 21.3 arcmins
Diameter: Primary M1 0.41 meters
Material: Primary M1  
Diameter: Secondary M2  
Material: Secondary M2  
First Light Date 2005
Adaptive Optics  
Images taken with the PROMPT-3 Telescope Link
Images of the PROMPT-3 Telescope Link
Videos of the PROMPT-3 Telescope Link
Press Releases with the PROMPT-3 Telescope Link

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