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23 papers · 2 filters
Transit Timing Variation Analysis of OGLE-TR-132b with Seven New Transits
Elisabeth R. Adams, Mercedes Lopez-Morales, James L. Elliot +2
We report the results of the first transit timing variation (TTV) analysis of the very hot Jupiter OGLE-TR-132b, using ten transits collected over a seven-year period. Our analysis…
On the Frequency of Jupiter Analogs
Robert A. Wittenmyer, C. G. Tinney, Simon J. O'Toole +4
The Anglo-Australian Planet Search has now accumulated 12 years of radial-velocity data with long-term instrumental precision better than 3 m/s. In this paper, we expand on earlier…
The Lick-Carnegie Survey: Four New Exoplanet Candidates
Stefano Meschiari, Gregory Laughlin, Steven S. Vogt +4
We present new precise HIRES radial velocity (RV) data sets of five nearby stars obtained at Keck Observatory. HD 31253, HD 218566, HD 177830, HD 99492 and HD 74156 are host stars…
A Critical Examination of the X-Wind Model for Chondrule and Calcium-rich, Aluminum-rich Inclusion Formation and Radionuclide Production
S. J. Desch, M. A. Morris, H. C. Connolly +1
Meteoritic data, especially regarding chondrules and calcium-rich, aluminum-rich inclusions (CAIs), and isotopic evidence for short-lived radionuclides (SLRs) in the solar nebula,…
Giant Planet Formation by Disk Instability in Low Mass Disks?
Alan P. Boss
Forming giant planets by disk instability requires a gaseous disk that is massive enough to become gravitationally unstable and able to cool fast enough for self-gravitating clumps…
The Size Distribution of the Neptune Trojans and the Missing Intermediate Sized Planetesimals
Scott S. Sheppard, Chadwick A. Trujillo
We present an ultra-deep survey for Neptune Trojans using the Subaru 8.2-m and Magellan 6.5-m telescopes. The survey reached a 50% detection efficiency in the R-band at 25.7 magnit…