activity
20092015
most citedReconnaissance of the HR 8799 Exosolar System II: Astrometry and Orbital Motion

110 citations · 151 across the 3 of their papers we have counts for

collaborators

14 papers

astro-ph.SR2015★ 11 cited

A New Method for Characterizing Very-Low-Mass Companions with Low Resolution Near-Infrared Spectroscopy

Emily L. Rice, Rebecca Oppenheimer, Neil Zimmerman +2

We present a new and computationally efficient method for characterizing very low mass companions using low resolution (30) near-infrared () spectra from high contrast…

astro-ph.SR2014★ 110 cited

Reconnaissance of the HR 8799 Exosolar System II: Astrometry and Orbital Motion

L. Pueyo, R. Soummer, J. Hoffmann +30

We present an analysis of the orbital motion of the four sub-stellar objects orbiting HR8799. Our study relies on the published astrometric history of this system augmented with an…

astro-ph.EP2013

The Kappa Andromedae System: New Constraints on the Companion Mass, System Age & Further Multiplicity

Sasha Hinkley, Laurent Pueyo, Jacqueline K. Faherty +29

Kappa Andromedae is a B9IVn star at 52 pc for which a faint substellar companion separated by 55 AU was recently announced. In this work, we present the first spectrum of the compa…

astro-ph.EP2013

Characterization of the gaseous companion κ Andromedae b: New Keck and LBTI high-contrast observations

M. Bonnefoy, T. Currie, G. -D. Marleau +64

We previously reported the direct detection of a low mass companion at a projected separation of 55+-2 AU around the B9 type star κ Andromedae. The properties of the system (mass r…

astro-ph.EP2013

Reconnaissance of the HR 8799 Exosolar System I: Near IR Spectroscopy

B. R. Oppenheimer, C. Baranec, C. Beichman +29

We obtained spectra, in the wavelength range λ= 995 - 1769 nm, of all four known planets orbiting the star HR 8799. Using the suite of instrumentation known as Project 1640 on the…

astro-ph.SR2012

High Resolution Infrared Imaging & Spectroscopy of the Z Canis Majoris System During Quiescence & Outburst

Sasha Hinkley, Lynne Hillenbrand, Ben R. Oppenheimer +21

We present adaptive optics photometry and spectra in the JHKL-bands along with high spectral resolution K-band spectroscopy for each component of the Z Canis Majoris system. Our hi…