Zobrazeno 1 - 10
of 16
pro vyhledávání: '"E. R. Ligon"'
Autor:
Donald M. A. Wilson, John Young, Michelle Creech-Eakman, J. Pino, W. Martin, C. Salcido, D. Etscorn, R. Collins, S. Mohammadi, S. Blevins, Allen Farris, D. Das Roy, Xin Sun, Eugene Seneta, James J. D. Luis, Nuimuddin Chowdhury, R. Halder, B. Jaynes, L. Jencka, I. Salayandia, C. Dahl, P. Johnston, V. Romero, B. Avila, J. Maes, Christopher A. Haniff, M. Gabaldon, C. Gino, Diana Ochoa, J. Dooley, David F. Buscher, A. Olivares, O. Hosseini, S. Jojola, Malcolm E. Fisher, S. Etscorn, A. Sanchez, F. Santoro, J. Wolfram, S. Norouzi, E. R. Ligon, Ifan Payne, Daniel Mortimer, E. Garcia, T. Matthews, B. Panta, C. McKeen
Publikováno v:
Optical and Infrared Interferometry and Imaging VII.
The Magdalena Ridge Observatory Interferometer (MROI) is designed to operate 10 1.4m telescopes simultaneously, with baselines ranging from 7.8-347 m and limiting infrared fringe-tracking magnitudes of 14 – it is arguably the most ambitious optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5721c1ff07fb17b5889cd5963937ae61
https://doi.org/10.1117/12.2563173
https://doi.org/10.1117/12.2563173
Autor:
L. Jencka, F. Santoro, Xin Sun, C. Gino, J. Pino, Diana Ochoa, C. Jurgenson, C. Dahl, C. McKeen, P. Johnston, Daniel A. Klinglesmith, David F. Buscher, D. Etscorn, V. Romero, C. Salcido, E. Garcia, A. Olivares, Robert Blasi, J. Dooley, Donald M. A. Wilson, Luke M. Schmidt, Robert Kelly, John Young, B. Jaynes, Allen Farris, Christopher A. Haniff, Eugene Seneta, James J. D. Luis, Malcolm E. Fisher, Michelle Creech-Eakman, E. R. Ligon, Ifan Payne, Daniel Mortimer, T. M. McCracken
Publikováno v:
Optical and Infrared Interferometry and Imaging VI.
The Magdalena Ridge Observatory Interferometer (MROI) has been under development for almost two decades. Initial funding for the facility started before the year 2000 under the Army and then Navy, and continues today through the Air Force Research La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f8ba399c14cf6ba125a24421d69ff69
https://doi.org/10.1117/12.2314155
https://doi.org/10.1117/12.2314155
Autor:
Sam Ragland, Gibor Basri, James R. Graham, M. Mark Colavita, Josh A. Eisner, E. R. Ligon, A. Booth, Rachel Akeson, K. Summers
Publikováno v:
The Astrophysical Journal. 654:L77-L80
Using a new grism at the Keck Interferometer, we obtained spectrally dispersed (R ~ 230) interferometric measurements of the Mira star R Vir. These data show that the measured radius of the emission varies substantially from 2.0-2.4 microns. Simple m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c22438e3c1b4c77e6f329f2540032f89
https://doi.org/10.1086/510717
https://doi.org/10.1086/510717
Autor:
Anand Sivaramakrishnan, Jordan Hoffmann, Christoph Baranec, David A. King, C. A. Beichman, Rebecca Oppenheimer, Aaron Veicht, Neil T. Zimmerman, Eric Cady, Laurent Pueyo, M. Shao, Chengxing Zhai, Jenny Roberts, L. C. Roberts, Richard Dekany, E. R. Ligon, Emily L. Rice, Lynne A. Hillenbrand, David Hale, Sasha Hinkley, Fred Vescelus, James R. Graham, Ricky Nilsson, Gautam Vasisht, Douglas Brenner, Rick Burruss, Justin R. Crepp, James Wallace, Ian Parry, Thomas Lockhart, Tuan Truong, Rémi Soummer
We present an analysis of the orbital motion of the four sub-stellar objects orbiting HR8799. Our study relies on the published astrometric history of this system augmented with an epoch obtained with the Project 1640 coronagraph + Integral Field Spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1fe3705ca65f7eaad5c73c29c001433
Autor:
Michelle Creech-Eakman, Charles Beichman, R. R. Thompson, B. C. Berkey, A. Tumminello, E. Hovland, Richard L. Johnson, T. Panteleeva, G. Hardy, A. Niessner, James Wallace, W. Dahl, J. Chin, J. Beletic, Eugene Serabyn, G. Eychaner, Andrew F. Boden, A. I. Sargent, Andy C. Rudeen, B. Parvin, R. Kendrick, Mark R. Swain, Dean L. Palmer, James D. Moore, Michael Shao, M. Mark Colavita, D. McBride, Peter Wizinowich, Christopher R. Neyman, E. R. Ligon, Rachel Akeson, H. A. Lewis, Erik M. Johansson, D. Chan, F. Vescelus, Christopher G. Paine, L. Reder, William Lupton, Christopher D. Koresko, Andrew Cooper, Michael Hess, G. Vasisht, C. Felizardo, Richard Cohen, M. Abajian, R. Smythe, Samuel L. Crawford, Jean Garcia-Gathright, T. Saloga, K. Summers, G. T. van Belle, Drew Medeiros, E. Appleby, C. Tyau, P. Kurpis, J. Walker, Rafael Millan-Gabet, J. Gathright, R. Boutell, Craig E. Nance, H. Henderson, K. Tsubota, J. Vause, A. J. Booth, J. Herstein, P. Swanson, Julien Woillez, B. Smith, J. Berlin, M. Papin, E. Wetherell, J. Kelley, D. Le Mignant, D. S. Acton, J. Bell, S. Ragland, David Morrison, U. Wehmeier, Paul J. Stomski, Frederic H. Chaffee, Bertrand Mennesson, J. Chock, M. Hrynevych, James L. Fanson
The Keck Interferometer (KI) combined the two 10 m W. M. Keck Observatory telescopes on Mauna Kea, Hawaii, as a long-baseline near- and mid-infrared interferometer. Funded by NASA, it operated from 2001 until 2012. KI used adaptive optics on the two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdd8b57d6cb764b47daf2946b2f0e7b2
https://resolver.caltech.edu/CaltechAUTHORS:20131203-090250079
https://resolver.caltech.edu/CaltechAUTHORS:20131203-090250079
Autor:
Fred Vescelus, Rob Fergus, Ricky Nilsson, Lynne A. Hillenbrand, David Hale, Neil T. Zimmerman, Aaron Veicht, Tuan Truong, B. R. Oppenheimer, Laurent Pueyo, Sasha Hinkley, M. Shao, T. Lockhart, Eric Cady, L. C. Roberts, Chengxing Zhai, Rick Burruss, David T. King, Emily L. Rice, Ian Parry, Justin R. Crepp, James Wallace, David W. Hogg, G. Vasisht, E. R. Ligon, Anand Sivaramakrishnan, Jenny Roberts, Douglas Brenner, R. Soummer, C. A. Beichman, Christoph Baranec, Richard G. Dekany
We obtained spectra, in the wavelength range \lambda = 995 - 1769 nm, of all four known planets orbiting the star HR 8799. Using the suite of instrumentation known as Project 1640 on the Palomar 5-m Hale Telescope, we acquired data at two epochs. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d283bac96c423778773c4769ba2d4858
http://arxiv.org/abs/1303.2627
http://arxiv.org/abs/1303.2627
Autor:
E. R. Ligon, Douglas Brenner, Gautam Vasisht, Eric Cady, Anand Sivaramakrishnan, J. Kent Wallace, Ben R. Oppenheimer, Chengxing Zhai, T. Lockhart, Charles Beichman, Lynne A. Hillenbrand, Rémi Soummer, Neil T. Zimmerman, Rick Burruss, Fred E. Vescelus, Sasha Hinkley, Lewis C. Roberts, Ian Parry, Laurent Pueyo, Jennifer E. Roberts, Michael Shao, Emily L. Rice, Justin R. Crepp
Publikováno v:
SPIE Proceedings.
Project 1640, a high-contrast spectral-imaging effort involving a coordinated set of instrumentation and software, built at AMNH, JPL, Cambridge and Caltech, has been commissioned and is fully operational. This novel suite of instrumentation includes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa069be25c1304764879e4e118128d1a
https://doi.org/10.1117/12.926419
https://doi.org/10.1117/12.926419
Autor:
C. A. Beichman, R. Soummer, Richard Dekany, T. Lockhart, Emily L. Rice, Lynne A. Hillenbrand, Kent Wallace, M. Shao, Justin R. Crepp, Anand Sivaramakrishnan, Ben R. Oppenheimer, Chengxing Zhai, Neil T. Zimmerman, G. Vasisht, E. R. Ligon, Douglas Brenner, Fred E. Vescelus, J. Roberts, Lewis C. Roberts, Rick Burruss, Ian Parry, Sasha Hinkley, Eric Cady, Laurent Pueyo
Publikováno v:
SPIE Proceedings.
P1640 calibrator is a wavefront sensor working with the P1640 coronagraph and the Palomar 3000 actuator adaptive optics system (P3K) at the Palomar 200 inch Hale telescope. It measures the wavefront by interfering post-coronagraph light with a refere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6a6ef15b681c4cb204b62968503b6e8
https://doi.org/10.1117/12.927015
https://doi.org/10.1117/12.927015
Autor:
Ian Parry, Richard Dekany, E. R. Ligon, Jennifer E. Roberts, Ben R. Oppenheimer, Chengxing Zhai, Thomas Lockhart, Chris Shelton, Anand Sivaramakrishnan, David A. King, Antonin Bouchez, Gautam Vasisht, Neil Zimmerman, Charles Beichman, Laurent Pueyo, Rick Burruss, Sasha Hinkley, Lewis C. Roberts, Douglas Brenner, Justin R. Crepp, Rémi Soummer, Michael Shao
We describe a new instrument that forms the core of a long-term high contrast imaging program at the 200-inch Hale Telescope at Palomar Observatory. The primary scientific thrust is to obtain images and low-resolution spectroscopy of brown dwarfs and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5430d60fe155c848f751cd56e3578d36
http://arxiv.org/abs/1012.0008
http://arxiv.org/abs/1012.0008
Autor:
Christopher G. Paine, B. Mennesson, E. R. Ligon, Dean L. Palmer, Sam Crawford, T. Panteleeva, P. Wizinowich, W. Dahl, E. Hovland, K. Tsubota, C. Felizardo, Drew Medeiros, J. Gathright, B. C. Berkey, Julien Woillez, Eugene Serabyn, Christopher D. Koresko, K. Summers, Jean Garcia-Gathright, R. Smythe, M. Hrynevych, C. Tyau, Rafael Millan-Gabet, David Morrison, J. Herstein, S. Ragland, Andrew Cooper, James D. Moore, M. Mark Colavita, Rachel Akeson, Michelle Creech-Eakman, Mark R. Swain, G. Vasisht, A. J. Booth, B. Smith, E. Appleby, E. Wetherell
We describe the Keck Interferometer nuller theory of operation, data reduction, and on-sky performance, particularly as it applies to the nuller exozodiacal dust key science program that was carried out between 2008 February and 2009 January. We revi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f3227df8180b4f2127fb911f9aa0f52
https://resolver.caltech.edu/CaltechAUTHORS:20091020-102522322
https://resolver.caltech.edu/CaltechAUTHORS:20091020-102522322