activity
20092020
most citedParallactic Motion for Companion Discovery: An M-Dwarf Orbiting Alcor

228 citations · 1.2k across the 20 of their papers we have counts for

collaborators

20 papers

astro-ph.IM2020

Design and performance of the PALM-3000 3.5 kHz upgrade

Seth R. Meeker, Tuan N. Truong, Jennifer E. Roberts +11

PALM-3000 (P3K), the second generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope at Palomar Observatory, was released as a facility class instrument in Octob…

astro-ph.IM2018★ 7 cited

The Maunakea Spectroscopic Explorer Book 2018

Alexis Hill, Nicolas Flagey, Alan McConnachie +122

(Abridged) This is the Maunakea Spectroscopic Explorer 2018 book. It is intended as a concise reference guide to all aspects of the scientific and technical design of MSE, for the…

astro-ph.SR2015★ 28 cited

Know The Star, Know the Planet. IV. A Stellar Companion to the Host star of the Eccentric Exoplanet HD 8673b

Lewis C. Roberts, Brian D. Mason, Christopher R. Neyman +28

HD 8673 hosts a massive exoplanet in a highly eccentric orbit (e=0.723). Based on two epochs of speckle interferometry a previous publication identified a candidate stellar compani…

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.IM2014★ 5 cited

PULSE: The Palomar Ultraviolet Laser for the Study of Exoplanets

Christoph Baranec, Richard G. Dekany, Rick S. Burruss +8

The Palomar Ultraviolet Laser for the Study of Exoplanets (PULSE) will dramatically expand the science reach of PALM-3000, the facility high-contrast extreme adaptive optics system…

astro-ph.IM2013★ 18 cited

Electric Field Conjugation with the Project 1640 coronagraph

Eric Cady, Christoph Baranec, Charles Beichman +25

The Project 1640 instrument on the 200-inch Hale telescope at Palomar Observatory is a coronagraphic instrument with an integral field spectrograph at the back end, designed to fin…

astro-ph.IM2013

PULSE: Palomar Ultraviolet Laser for the Study of Exoplanets

Christoph Baranec, Richard Dekany, Marcos van Dam +1

PULSE is a new concept to augment the currently operating 5.1-m Hale PALM-3000 exoplanet adaptive optics system with an ultraviolet Rayleigh laser and associated wavefront sensor.…

astro-ph.EP2013★ 68 cited

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.IM2013★ 184 cited

PALM-3000: Exoplanet Adaptive Optics for the 5-meter Hale Telescope

R. Dekany, J. Roberts, R. Burruss +17

We describe and report first results from PALM-3000, the second-generation astronomical adaptive optics facility for the 5.1-m Hale telescope at Palomar Observatory. PALM-3000 has…

astro-ph.EP2013★ 140 cited

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★ 20 cited

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…

astro-ph.SR2012★ 24 cited

Constraining mass ratio and extinction in the FU Orionis binary system with infrared integral field spectroscopy

Laurent Pueyo, Lynne Hillenbrand, Gautam Vasisht +15

We report low resolution near infrared spectroscopic observations of the eruptive star FU Orionis using the Integral Field Spectrograph Project 1640 installed at the Palomar Hale t…

astro-ph.SR2012★ 12 cited

Spectral Typing of Late Type Stellar Companions to Young Stars from Low Dispersion Near-Infrared Integral Field Unit Data

Lewis C. Roberts, Emily L. Rice, Charles A. Beichman +22

We used the Project 1640 near-infrared coronagraph and integral field spectrograph to observe 19 young solar type stars. Five of these stars are known binary stars and we detected…

astro-ph.IM2011★ 85 cited

Application of a damped Locally Optimized Combination of Images method to the spectral characterization of faint companions using an Integral Field Spectrograph

Laurent Pueyo, Justin R. Crepp, Gautam Vasisht +14

High-contrast imaging instruments are now being equipped with integral field spectrographs (IFS) to facilitate the detection and characterization of faint substellar companions. Al…

astro-ph.IM2010★ 57 cited

Speckle Suppression with the Project 1640 Integral Field Spectrograph

Justin R. Crepp, Laurent Pueyo, Douglas Brenner +15

Project 1640 is a high-contrast imaging instrument recently commissioned at Palomar observatory. A combination of a coronagraph with an integral field spectrograph (IFS), Project 1…

astro-ph.IM2010★ 145 cited

A New High Contrast Imaging Program at Palomar Observatory

Sasha Hinkley, Ben R. Oppenheimer, Neil Zimmerman +19

We describe a new instrument that forms the core of a long-term high contrast imaging program at the 200-inch Hale Telescope at Palomar Observatory. The primary scientific thrust i…

astro-ph.SR2010★ 33 cited

Establishing Alpha Oph as a Prototype Rotator: Improved Astrometric Orbit

Sasha Hinkley, John D. Monnier, Ben R. Oppenheimer +24

The nearby star Alpha Oph (Ras Alhague) is a rapidly rotating A5IV star spinning at ~89% of its breakup velocity. This system has been imaged extensively by interferometric techniq…

astro-ph.SR2010★ 28 cited

A Close Companion Search around L Dwarfs using Aperture Masking Interferometry and Palomar Laser Guide Star Adaptive Optics

David Bernat, Antonin H. Bouchez, Michael Ireland +22

We present a close companion search around sixteen known early-L dwarfs using aperture masking interferometry with Palomar laser guide star adaptive optics. The use of aperture mas…

astro-ph.IM2010★ 34 cited

Discovery and Characterization of a Faint Stellar Companion to the A3V Star Zeta Virginis

Sasha Hinkley, Ben R. Oppenheimer, Douglas Brenner +17

Through the combination of high-order Adaptive Optics and coronagraphy, we report the discovery of a faint stellar companion to the A3V star zeta Virginis. This companion is ~7 mag…

astro-ph.IM2009★ 228 cited

Parallactic Motion for Companion Discovery: An M-Dwarf Orbiting Alcor

Neil Zimmerman, Ben R. Oppenheimer, Sasha Hinkley +16

The A5V star Alcor has an M3-M4 dwarf companion, as evidenced by a novel astrometric technique. Imaging spectroscopy combined with adaptive optics coronagraphy allowed for the dete…