Radar Detection of Iapetus

Science

Volumn 304, Issue 5670, 2004, Pages 553-

  Black, Gregory J ^a   Campbell, Donald B ^b,c   Carter, Lynn M ^c   Ostro, Steven J ^d  

^a UNIVERSITY OF VIRGINIA   (United States)

^b Department of Astronomy   (United States)

^c Department of Obstetrics Gynecology   (United States)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIA; ICE;

ASTRONOMY; SATURN;

ARTICLE; ASTRONOMY; MICROWAVE RADIATION; PHOTOCHEMISTRY; POLARIZATION; PRIORITY JOURNAL; SATELLITE; TELECOMMUNICATION;

EID: 2142759488     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1096470     Document Type: Article

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8. 7.3, and system temperatures of 25 to 30 K. The gain was calibrated by standard radio flux sources as well as by the icy Galilean satellites, whose radar characteristics are well known. The lapetus distances were 8.28 astronomical units (AU) in 2002 and 8,13 AU in 2003.
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15. The Arecibo Observatory is part of the National Astronomy and Ionosphere Center, which is operated by Cornell University under a cooperative agreement with the NSF and with support from NASA. Part of this research was conducted at the Jet Propulsion Laboratory, California Institute of Technology, under contract with NASA. Also supported by the NASA Planetary Geology and Geophysics Program (D.B.C. and L.M.C.).