Science with laser guide stars at lick observatory

Donald T. Gavel; Claire E. Max; Scot S. Olivier; Brian Bauman; Deanna M. Pennington; Bruce A. Macintosh; Jennifer Patience; Curtis G. Brown; Pamela M. Danforth; Randy L. Hurd; Elinor L. Gates; Scott A. Severson; James P. Lloyd

doi:10.1117/12.454808

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The Lick Observatory laser guide star adaptive optics system has been significantly upgraded over the past two years in order to establish it as a facility science instrument on the Shane 3 meter telescope. Natural Guide Star (NGS) mode has been in use in regular science observing programs for over a year. The Laser Guide Star (LGS) mode has been tested in engineering runs and is now starting to do science observing. In good seeing conditions, the system produces K-band Strehl ratios >0.7 (NGS) and >0.6 (LGS). In LGS mode tip/tilt guiding is achieved with a V ∼ 16 natural star anywhere inside a 1 arcminute radius field, which provides about 50% sky coverage. This enables diffraction-limited imaging of regions where few bright guidestars suitable for NGS mode are available. NGS mode requires at least a V ∼ 13 guidestar and has a sky coverage of <1%. LGS science programs will include high resolution studies of galaxies, active galactic nuclei, QSO host galaxies and dim pre-main sequence stars.

Original language	English (US)
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Editors	R.K. Tyson, D. Bonaccini, M.C. Roggenmann
Pages	336-342
Number of pages	7
Volume	4494
DOIs	https://doi.org/10.1117/12.454808
State	Published - 2002
Externally published	Yes
Event	Adaptive Optic Systems and Technologies II - San Diego, CA, United States Duration: Jul 30 2001 → Aug 1 2001

Other

Other	Adaptive Optic Systems and Technologies II
Country/Territory	United States
City	San Diego, CA
Period	7/30/01 → 8/1/01

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

Access to Document

10.1117/12.454808

Cite this

Gavel, D. T., Max, C. E., Olivier, S. S., Bauman, B., Pennington, D. M., Macintosh, B. A., Patience, J., Brown, C. G., Danforth, P. M., Hurd, R. L., Gates, E. L., Severson, S. A., & Lloyd, J. P. (2002). Science with laser guide stars at lick observatory. In R. K. Tyson, D. Bonaccini, & M. C. Roggenmann (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4494, pp. 336-342) https://doi.org/10.1117/12.454808

Gavel, DT, Max, CE, Olivier, SS, Bauman, B, Pennington, DM, Macintosh, BA, Patience, J, Brown, CG, Danforth, PM, Hurd, RL, Gates, EL, Severson, SA & Lloyd, JP 2002, Science with laser guide stars at lick observatory. in RK Tyson, D Bonaccini & MC Roggenmann (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4494, pp. 336-342, Adaptive Optic Systems and Technologies II, San Diego, CA, United States, 7/30/01. https://doi.org/10.1117/12.454808

@inproceedings{a2421f0b650d4ce3848ee34f31703561,

title = "Science with laser guide stars at lick observatory",

abstract = "The Lick Observatory laser guide star adaptive optics system has been significantly upgraded over the past two years in order to establish it as a facility science instrument on the Shane 3 meter telescope. Natural Guide Star (NGS) mode has been in use in regular science observing programs for over a year. The Laser Guide Star (LGS) mode has been tested in engineering runs and is now starting to do science observing. In good seeing conditions, the system produces K-band Strehl ratios >0.7 (NGS) and >0.6 (LGS). In LGS mode tip/tilt guiding is achieved with a V ∼ 16 natural star anywhere inside a 1 arcminute radius field, which provides about 50\% sky coverage. This enables diffraction-limited imaging of regions where few bright guidestars suitable for NGS mode are available. NGS mode requires at least a V ∼ 13 guidestar and has a sky coverage of <1\%. LGS science programs will include high resolution studies of galaxies, active galactic nuclei, QSO host galaxies and dim pre-main sequence stars.",

author = "Gavel, \{Donald T.\} and Max, \{Claire E.\} and Olivier, \{Scot S.\} and Brian Bauman and Pennington, \{Deanna M.\} and Macintosh, \{Bruce A.\} and Jennifer Patience and Brown, \{Curtis G.\} and Danforth, \{Pamela M.\} and Hurd, \{Randy L.\} and Gates, \{Elinor L.\} and Severson, \{Scott A.\} and Lloyd, \{James P.\}",

year = "2002",

doi = "10.1117/12.454808",

language = "English (US)",

volume = "4494",

pages = "336--342",

editor = "R.K. Tyson and D. Bonaccini and M.C. Roggenmann",

booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",

note = "Adaptive Optic Systems and Technologies II ; Conference date: 30-07-2001 Through 01-08-2001",

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T1 - Science with laser guide stars at lick observatory

AU - Gavel, Donald T.

AU - Max, Claire E.

AU - Olivier, Scot S.

AU - Bauman, Brian

AU - Pennington, Deanna M.

AU - Macintosh, Bruce A.

AU - Patience, Jennifer

AU - Brown, Curtis G.

AU - Danforth, Pamela M.

AU - Hurd, Randy L.

AU - Gates, Elinor L.

AU - Severson, Scott A.

AU - Lloyd, James P.

PY - 2002

Y1 - 2002

N2 - The Lick Observatory laser guide star adaptive optics system has been significantly upgraded over the past two years in order to establish it as a facility science instrument on the Shane 3 meter telescope. Natural Guide Star (NGS) mode has been in use in regular science observing programs for over a year. The Laser Guide Star (LGS) mode has been tested in engineering runs and is now starting to do science observing. In good seeing conditions, the system produces K-band Strehl ratios >0.7 (NGS) and >0.6 (LGS). In LGS mode tip/tilt guiding is achieved with a V ∼ 16 natural star anywhere inside a 1 arcminute radius field, which provides about 50% sky coverage. This enables diffraction-limited imaging of regions where few bright guidestars suitable for NGS mode are available. NGS mode requires at least a V ∼ 13 guidestar and has a sky coverage of <1%. LGS science programs will include high resolution studies of galaxies, active galactic nuclei, QSO host galaxies and dim pre-main sequence stars.

AB - The Lick Observatory laser guide star adaptive optics system has been significantly upgraded over the past two years in order to establish it as a facility science instrument on the Shane 3 meter telescope. Natural Guide Star (NGS) mode has been in use in regular science observing programs for over a year. The Laser Guide Star (LGS) mode has been tested in engineering runs and is now starting to do science observing. In good seeing conditions, the system produces K-band Strehl ratios >0.7 (NGS) and >0.6 (LGS). In LGS mode tip/tilt guiding is achieved with a V ∼ 16 natural star anywhere inside a 1 arcminute radius field, which provides about 50% sky coverage. This enables diffraction-limited imaging of regions where few bright guidestars suitable for NGS mode are available. NGS mode requires at least a V ∼ 13 guidestar and has a sky coverage of <1%. LGS science programs will include high resolution studies of galaxies, active galactic nuclei, QSO host galaxies and dim pre-main sequence stars.

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BT - Proceedings of SPIE - The International Society for Optical Engineering

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