Bulletin of the American Physical Society
2005 APS April Meeting
Saturday–Tuesday, April 16–19, 2005; Tampa, FL
Session Y3: Extrasolar Planets |
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Sponsoring Units: DAP Chair: Bernard Sadoulet, University of California-Berkeley Room: Marriott Tampa Waterside Grand Salon A/B |
Tuesday, April 19, 2005 1:30PM - 2:06PM |
Y3.00001: Extrasolar Planet Theory: Formation, Evolution, and Direct Detection Invited Speaker: More than 140 extrasolar giant planets (EGPs) have been discovered to date, revolutionizing our conception of the nature of planetary systems. Furthermore, extrasolar Neptune-mass planets, ten times less massive than Jupiter, have been found, as have 3 terrestrial-mass planets orbiting a single pulsar. Unfortunately, most extrasolar planet detections have been by the indirect technique of high-precision Doppler spectroscopy of their parent stars. However, it is by the direct detection and spectroscopic investigation of extrasolar planets that they can best be scrutinized and accomplishing this is becoming a major goal of an increasing fraction of the astronomical community. Technologies are being developed not only to directly detect and spectroscopically measure EGPs, but also terrestrial planets, some of which may harbor life. I will discuss the theory of the formation, evolution, and spectra of extrasolar planets and international plans for their discovery, study, and characterization. [Preview Abstract] |
Tuesday, April 19, 2005 2:06PM - 2:42PM |
Y3.00002: Update on the California-Carnegie Extrasolar Planet Search Program Invited Speaker: There are currently over 136 known extrasolar planets. Almost all were discovered through detection of periodic barycentric reflex motion of the planet's host star via high-precision Doppler radial velocity measurements. The California-Carnegie Extrasolar Planet Search Program is one such precision Doppler-based planet survey. It is currently monitoring over 1330 nearby F,G,K, and M stars for planets at 2-3 m/sec precision, and has accounted for over 70{\%} of the known exoplanets. These extrasolar planetary systems display an unexpectedly wide diversity of orbital characteristics, and their study is revolutionizing our understanding of the origins and evolution of planetary systems. This talk will give a brief update on the California-Carnegie Exoplanet Search program, reviewing basic details of the detection method, recent results, and future directions. [Preview Abstract] |
Tuesday, April 19, 2005 2:42PM - 3:18PM |
Y3.00003: Extrasolar planets from space Invited Speaker: |
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