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Variations on Debris Disks: Icy Planet Formation at 30-150 AU for 1-3 M☉ Main-Sequence Stars
- S. Kenyon, B. Bromley
- Physics, Geology
- 8 July 2008
We describe calculations for the formation of icy planets and debris disks at 30-150 AU around 1-3 M☉ stars. Debris disk formation coincides with the formation of planetary systems. As protoplanets…
Hypervelocity Stars: Predicting the Spectrum of Ejection Velocities
- B. Bromley, S. Kenyon, Smithsonian Astrophysical Observatory
- Physics, Geology
- 7 August 2006
The disruption of binary stars by the tidal field of the black hole in the Galactic center can produce the hypervelocity stars observed in the halo. We use numerical models to simulate the full…
Spectral classification and luminosity function of galaxies in the las campanas redshift survey
- B. Bromley, W. Press, Huan Lin, R. Kirshner
- Physics
- 19 November 1997
We construct a spectral classification scheme for the galaxies of the Las Campanas Redshift Survey (LCRS) based on a principal-component analysis of the measured galaxy spectra. We interpret the…
Hypervelocity Stars: From the Galactic Center to the Halo
- S. Kenyon, B. Bromley, M. Geller, Warren R. Brown
- Physics
- 22 January 2008
Hypervelocity stars (HVSs) traverse the Galaxy from the central black hole to the outer halo. We show that the Galactic potential within 200 pc acts as a high-pass filter preventing low-velocity HVSs…
COLLISIONAL CASCADES IN PLANETESIMAL DISKS. II. EMBEDDED PLANETS
- S. Kenyon, B. Bromley
- Physics, Geology
- 19 September 2003
We use a multiannulus planetesimal accretion code to investigate the growth of icy planets in the outer regions of a planetesimal disk. In a quiescent minimum-mass solar nebula, icy planets grow to…
Hypervelocity Stars III. The Space Density and Ejection History of Main Sequence Stars from the Galactic Center
- Warren R. Brown, M. Geller, S. Kenyon, Michael J. Kurtz, B. Bromley
- Physics
- 10 September 2007
We report the discovery of three new unbound hypervelocity stars (HVSs), stars traveling with such extreme velocities that dynamical ejection from a massive black hole (MBH) is their only suggested…
HYPERVELOCITY STARS. II. THE BOUND POPULATION
- Warren R. Brown, M. Geller, S. Kenyon, Michael J. Kurtz, B. Bromley
- Physics
- 21 January 2007
Hypervelocity stars (HVSs) are stars ejected completely out of the Milky Way by three-body interactions with the massive black hole in the Galactic center. We describe 643 new spectroscopic…
PREDICTED SPACE MOTIONS FOR HYPERVELOCITY AND RUNAWAY STARS: PROPER MOTIONS AND RADIAL VELOCITIES FOR THE GAIA Era
- S. Kenyon, B. Bromley, Warren R. Brown, M. Geller
- Physics, Geology
- 29 May 2014
We predict the distinctive three-dimensional space motions of hypervelocity stars (HVSs) and runaway stars moving in a realistic Galactic potential. For nearby stars with distances less than 10 kpc,…
A COMBINED VERY LARGE TELESCOPE AND GEMINI STUDY OF THE ATMOSPHERE OF THE DIRECTLY IMAGED PLANET, β PICTORIS b
- T. Currie, A. Burrows, B. Bromley
- Physics, Geology
- 3 June 2013
We analyze new/archival VLT/NaCo and Gemini/NICI high-contrast imaging of the young, self-luminous planet β Pictoris b in seven near-to-mid IR photometric filters, using advanced image processing…
THE ANISOTROPIC SPATIAL DISTRIBUTION OF HYPERVELOCITY STARS
- Warren R. Brown, M. Geller, S. Kenyon, B. Bromley
- Physics, Geology
- 4 November 2008
We study the distribution of angular positions and angular separations of unbound hypervelocity stars (HVSs). HVSs are spatially anisotropic at the 3σ level. The spatial anisotropy is significant in…
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