Daniel Catropa
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View article: The wide field phasing testbed for the Giant Magellan Telescope
The wide field phasing testbed for the Giant Magellan Telescope Open
Phasing the seven segment pairs of the doubly segmented Giant Magellan Telescope over an extended field of view requires measuring wavefront piston at multiple field locations. This will be done using a dispersed fringe sensor in each of f…
View article: The GMT-consortium large earth finder (G-CLEF): an optical echelle spectrograph for the Giant Magellan Telescope (GMT)
The GMT-consortium large earth finder (G-CLEF): an optical echelle spectrograph for the Giant Magellan Telescope (GMT) Open
The GMT-Consortium Large Earth Finder (G-CLEF) is an instrument that is being designed to exceed the state-of-the-art radial velocity (RV) precision achievable with the current generation of stellar velocimeters. It is simultaneously being…
View article: Phasing the GMT with a next generation e-APD dispersed fringe sensor: design and on-sky prototyping
Phasing the GMT with a next generation e-APD dispersed fringe sensor: design and on-sky prototyping Open
The GMT will be a 25.4-meter telescope consisting of 7 primary and secondary mirror segments that must be phased to within a fraction of an imaging wavelength in order to achieve diffraction limited performance.The need to use off-axis gui…
View article: On-sky demonstration of the GMT dispersed fringe phasing sensor prototype on the Magellan Telescope
On-sky demonstration of the GMT dispersed fringe phasing sensor prototype on the Magellan Telescope Open
The GMT is an aplanatic Gregorian telescope consisting of 7 primary and secondary mirror segments that must be phased to within a fraction of an imaging wavelength to allow the 25.4 meter telescope to reach its diffraction limit. When oper…
View article: Prototyping the GMT phasing camera with the Magellan AO system
Prototyping the GMT phasing camera with the Magellan AO system Open
The future diffraction-limited performance of the 25.4 meter Giant Magellan Telescope (GMT) will rely on the activeand adaptive wavefront sensing measurements made by the Acquisition, Guiding, and Wavefront Sensor (AGWS)currently being des…