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The International Deep Planet Survey I. The frequency of wide-orbit massive planets around A-stars
A. Vigan, J. Patience, C. Marois +8
Breakthrough direct detections of planetary companions orbiting A-type stars confirm the existence of massive planets at relatively large separations, but dedicated surveys are req…
The VAST Survey -- II. Orbital motion monitoring of A-type star multiples
Robert J. De Rosa, Jenny Patience, Arthur Vigan +11
As a part of our ongoing Volume-limited A-Star (VAST) adaptive optics survey, we have obtained observations of 26 binary systems with projected separations <100 AU, 13 of which hav…
Spectroscopy across the brown dwarf/planetary mass boundary - I. Near-infrared JHK spectra
J. Patience, R. R. King, R. J. De Rosa +5
With a uniform VLT SINFONI data set of nine targets, we have developed an empirical grid of J,H,K spectra of the atmospheres of objects estimated to have very low substellar masses…