Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ghigo, Frank D."'
Autor:
Margot, Jean-Luc, Campbell, Donald B., Giorgini, Jon D., Jao, Joseph S., Snedeker, Lawrence G., Ghigo, Frank D., Bonsall, Amber
Fundamental properties of the planet Venus, such as its internal mass distribution and variations in length of day, have remained unknown. We used Earth-based observations of radar speckles tied to the rotation of Venus obtained in 2006-2020 to measu
Externí odkaz:
http://arxiv.org/abs/2103.01504
Autor:
Reddy, Vishnu, Kelley, Michael S., Farnocchia, Davide, Ryan, William H., Thomas, Cristina A., Benner, Lance A.M., Dotson, Jessie, Micheli, Marco, Brucker, Melissa J., Bus, Schelte J., Brozovic, Marina, Wheeler, Lorien, Abbasi, Viqar, Bauer, James M., Bonsall, Amber, Brown, Zarah L., Busch, Michael W., Chodas, Paul, Choi, Young-Jun, Erasmus, Nicolas, Fast, Kelly E., Faucher, John P., Fernandes, Rachel B., Ghigo, Frank D., Gilbank, David G., Giorgini, Jon D., Gustafsson, Annika, Hainaut, Olivier, Harris, Walter M., Jao, Joseph S., Johnson, Lindley S., Kareta, Theodore, Kim, Myung-Jin, Koschny, Detlef, Kramer, Emily A., Landis, Rob R., Laurin, Denis G., Larsen, Jeffrey A., Lee, Clement G., Lejoly, Cassandra, Lister, Tim, McMillan, Robert, Masiero, Joseph R., Mathias, Donovan, Mommert, Michael, Moon, Hong-Kyu, Moskovitz, Nicholas A., Naidu, Shantanu P., Nallapu, Ravi Teja, Niazi, Haris Khan, Noonan, John W., Polishook, David, Ryan, Eileen V., Schatz, Lauren, Scotti, James V., Sharkey, Benjamin, Shustov, Boris M., Sickafoose, Amanda A., Silva, Marc A., Slade, Martin A., Slick, Lindsay R., Snedeker, Lawrence G., Springmann, Alessondra, Tholen, David, Trilling, David E., Vodniza, Alberto Q., Wainscoat, Richard, Weryk, Robert, Yoshikawa, Makoto
Publikováno v:
In Icarus 1 July 2019 326:133-150
Autor:
Hunter, Todd R., Schwab, Frederic R., White, Steven D., Ford, John M., Ghigo, Frank D., Maddalena, Ronald J., Mason, Brian S., Nelson, Jack D., Prestage, Richard M., Ray, Jason, Ries, Paul, Simon, Robert, Srikanth, Sivasankaran, Whiteis, Peter
Publikováno v:
Publications of the Astronomical Society of the Pacific, Volume 123, issue 907, pp.1087-1099, September 2011
We describe the successful design, implementation, and operation of a 12 GHz holography system installed on the Robert C. Byrd Green Bank Telescope (GBT). We have used a geostationary satellite beacon to construct high-resolution holographic images o
Externí odkaz:
http://arxiv.org/abs/1107.2081
Autor:
Ries, Paul, Hunter, Todd R., Constantikes, Kim T., Brandt, Joseph J., Ghigo, Frank D., Mason, Brian S., Prestage, Richard M., Ray, Jason, Schwab, Frederic R.
Publikováno v:
Publications of the Astronomical Society of the Pacific, Volume 123, issue 904, pp.682-691, June 2011
Wind-induced pointing errors are a serious concern for large-aperture high-frequency radio telescopes. In this paper, we describe the implementation of an optical quadrant detector instrument that can detect and provide a correction signal for wind-i
Externí odkaz:
http://arxiv.org/abs/1104.1593
Autor:
Margot, Jean-Luc, Peale, Stanton J, Solomon, Sean C, Hauck, Steven A, Ghigo, Frank D, Jurgens, Raymond F, Yseboodt, Marie, Giorgini, Jon D, Padovan, Sebastiano, Campbell, Donald B
Publikováno v:
Margot, Jean-Luc; Peale, Stanton J; Solomon, Sean C; Hauck, Steven A; Ghigo, Frank D; Jurgens, Raymond F; et al.(2012). Mercury's moment of inertia from spin and gravity data. Journal of Geophysical Research: Planets, 117(E12), n/a-n/a. doi: 10.1029/2012JE004161. UCLA: Retrieved from: http://www.escholarship.org/uc/item/3x91p5rm
Earth-based radar observations of the spin state of Mercury at 35 epochs between 2002 and 2012 reveal that its spin axis is tilted by (2.04 plus or minus 0.08) arc min with respect to the orbit normal. The direction of the tilt suggests that Mercury
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a56aab10030d4735dfaf5571470b263d
Akademický článek
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Publikováno v:
Astrophysical Journal Supplement Series; Aug2003, Vol. 147 Issue 2, p1-1, 1p
Conference
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Conference
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