Terrestrial Planet Finder Coronagraph (TPF-C) Flight Baseline Concept (2009)
Levine, Marie, Lisman, D., Shaklan, S., Kasting, J., Traub, W., Alexander, J., ...
The Terrestrial Planet Finder Coronagraph (TPF-C) mission presented here is an existence proof for a flagship-class internal coronagraph space mission capable of detecting and characterizing...
NGST Mirror System Demonstrator (2009)
J. Burge, S. Derigne, R. Angel, B. Cuerden, G. Rivlis, P. Woida, ...
Future space telescopes require primary mirrors that are much lighter than those currently being manufactured. They also must maintain optical tolerances while operating at cryogenic temperatures. We...
LSST: from Science Drivers to Reference Design and Anticipated Data Products (2008)
Ivezic, Z., Tyson, J. A., Allsman, R., Andrew, J., Angel, R., Collaboration, For The LSST
We describe the most ambitious survey currently planned in the visible band, the Large Synoptic Survey Telescope (LSST). The LSST design is driven by four main science themes: probing dark energy and...
Adaptive optics for the 6.5 m MMT (2008)
M. Lloyd-hart, F. Wildi, H. Martin, P. Mcguire, M. Kenworthy, R. Johnson, ...
The adaptive optics system for the 6.5 m MMT conversion telescope will be the first to compensate the aberrated wavefront at the telescope’s secondary mirror. This approach has unique advantages in...
B. Mihailova, R. Angel, J. Zhao, J. Engel, ...
Journal article
The laser guide star program for the LBT (2008)
Rabien, S., Ageorges, N., Angel, R., Brusa, G., Brynnel, J., Busoni, L., ...
The laser guide star program for the LBT (2008)
Rabien, S., Ageorges, N., Angel, R., Brusa, G., Brynnel, J., Busoni, L., ...
Laser guide star adaptive optics and interferometry are currently revolutionizing ground-based near-IR astronomy, as demonstrated at various large telescopes. The Large Binocular Telescope from the...
M. Lloyd-hart, R. Angel, B. Jacobsen, D. Wittman, E. Kibblewhite, ...
A 0.5 W beam from a continuous-wave dye laser, tuned to the D 2 resonance of atomic sodium, has been used to generate an artificial guide star by illuminating the mesospheric sodium layer, 90 km...
Final review of adaptive optics results from the pre-conversion MMT (2007)
M. Lloyd-hart, M. Lloyd-hart, R. Angel, R. Angel, T. Groesbeck, ...
The FASTTRAC II adaptive optics instrument has been used at the Multiple Mirror Telescope (MMT) for the past 2 years to provide improved image resolution in the near infrared. Results have been...
Diffraction-limited K-band imaging at the Multiple Mirror Telescope with adaptive optics (2007)
M. Lloyd-hart, D. Colucci, D. Wittman, B. Mcleod, A. Ghez, ...
Low spatial frequencies of atmospheric turbulence are specially troublesome to astronomers because the phase distortions they cause have large amplitude. We have begun experiments at the Multiple...
M. Lloyd-hart, B. Jacobsen, R. Angel, R. Dekany, B. Carter, ...
We have obtained the first measurements with a sodium laser beacon of focus anisoplanatism over large aperture, at the Multiple Mirror Telescope (MMT). Focus anisoplanatism sets the fundamental limit...
M. Lloyd-hart, R. Angel, B. Jacobsen, D. Wittman, D. Mccarthy, ...
A sodium guide star has been used to sense and correct atmospheric aberration during two runs at the Multiple Mirror Telescope (MMT). For the first run in 1993 May, the artificial star was created by...
Adaptive optics for the 6.5 m MMT (2007)
M. Lloyd-hart, M. Lloyd-hart, F. Wildi, F. Wildi, H. Martin, ...
The adaptive optics system for the 6.5 m MMT conversion telescope will be the first to compensate the aberrated wavefront at the telescope's secondary mirror. This approach has unique advantages...
Final review of adaptive optics results from the pre-conversion MMT (2007)
D. Mccarthy, T. Martinez, B. Jacobsen, G. Brusa, K. Hege, E. Hooper, ...
The FASTTRAC II adaptive optics instrument has been used at the Multiple Mirror Telescope (MMT) for the past 2 years to provide improved image resolution in the near infrared. Results have been...
Diffraction-limited K-band imaging at the Multiple Mirror Telescope with adaptive optics (2007)
Lloyd-Hart Colucci, M. Lloyd-hart, D. Colucci, D. Wittman, B. Mcleod, A. Ghez, ...
Low spatial frequencies of atmospheric turbulence are specially troublesome to astronomers because the phase distortions they cause have large amplitude. We have begun experiments at the Multiple...
Lloyd-Hart Angel, R. Angel, B. Jacobsen, D. Wittman, D. Mccarthy, E. Kibblewhite, ...
A sodium guide star has been used to sense and correct atmospheric aberration during two runs at the Multiple Mirror Telescope (MMT). For the first run in 1993 May, the artificial star was created by...
Progress in Diffraction-Limited Imaging at the Multiple Mirror Telescope with Adaptive Optics (2007)
M. Lloyd-hart, R. Dekany, D. Sandler, D. Wittman, R. Angel, D. Mccarthy
this paper were obtained using only the five mirrors highlighted in Fig. 1. With no aberration, the point spread function of this array appears as shown in Fig. 2, with a bright central peak...
Lloyd-Hart Jacobsen, M. Lloyd-hart, B. Jacobsen, R. Angel, R. Dekany, B. Carter, ...
We have obtained the first measurements with a sodium laser beacon of focus anisoplanatism over large aperture, at the Multiple Mirror Telescope (MMT). Focus anisoplanatism sets the fundamental limit...
Infrared adaptive optics system for the 6.5 m MMT: system status and prototype results (2007)
Lloyd-Hart Angel, R. Angel, D. Sandler, T. Barrett, P. Mcguire, T Rhoadarmer, ...
The Multiple Mirror Telescope (MMT) is now being replaced by a single 6.5 m telescope 1 which will have an integral adaptive optics system optimized for near infrared operation. We illustrate key...
Steward Observatory, M. Lloyd-hart, R. Angel, B. Jacobsen, D. Wittman, E. Kibblewhite, ...
A 0.5 W beam from a continuous-wave dye laser, tuned to the D 2 resonance of atomic sodium, has been used to generate an artificial guide star by illuminating the mesospheric sodium layer, 90 km...
Gliese 569B: A young multiple brown dwarf system? (2001)
Kenworthy, M. A., Hofmann, K-H., Close, L., Hinz, P., Mamajek, E., Schertl, D., ...
The nearby late M star Gliese 569B was recently found by adaptive optics imaging to be a double with separation ~1 AU. To explore the orbital motion and masses, we have undertaken a high resolution...
Adaptive Optics High Resolution Spectroscopy: Present Status and Future Direction (2000)
Jian Ge, Jian Ge Ciarlo, P. Kuzmenko, C. Alcock, B. Macintosh, R. Angel, ...
High resolution spectroscopy experiments with visible adaptive optics (AO) telescopes at Starfire Optical Range and Mt. Wilson have demonstrated that spectral resolution can be routinely improved by...
Adaptive Optics High Resolution Spectroscopy: Present Status and Future Direction (2000)
Ge Ciarlo Kuzmenko, J. Ge, D. Ciarlo, P. Kuzmenko, C. Alcock, B. Macintosh, ...
. High resolution spectroscopy experiments with visible adaptive optics telescopes at Starfire Optical Range and Mt. Wilson have demonstrated that spectral resolution can be routinely improved by a...
Infrared adaptive optics system for the 6.5 m MMT: system status (1998)
M. Lloyd-hart, M. Lloyd-hart, G. Angeli, R. Angel, R. Angel, ...
We report on the current state of the adaptive optics system being built for near infrared operation at the 6.5 m MMT. The system will use a single sodium laser beacon and a deformable secondary...
Infrared adaptive optics system for the 6.5 m MMT: system status (1998)
Lloyd-Hart Angeli, M. Lloyd-hart, M. Lloyd-hart, G. Angeli, G. Angeli, R. Angel, ...
We report on the current state of the adaptive optics system being built for near infrared operation at the 6.5 m MMT. The system will use a single sodium laser beacon and a deformable secondary...
Direct 75 Milliarcsecond Images from the Multiple Mirror Telescope with Adaptive Optics (1993)
M. Lloyd-hart, R. Dekany, B. Mcleod, D. Wittman, D. Colucci, ...
We report results from an adaptive optics system designed to provide imaging at the diffraction limit of resolution in the near infrared at the Multiple Mirror Telescope (MMT). For the present...
Direct 75 Milliarcsecond Images from the Multiple Mirror Telescope with Adaptive Optics (1993)
M. Lloyd-hart, Lloyd-Hart Dekany, B. Mcleod, D. Wittman, D. Colucci, D. Mccarthy, ...
We report results from an adaptive optics system designed to provide imaging at the diffraction limit of resolution in the near infrared at the Multiple Mirror Telescope (MMT). For the present...