activity
20032026
most citedImages of a fourth planet orbiting HR 8799

964 citations · 8k across the 136 of their papers we have counts for

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Showing 2021Show all

5 papers · 1 filter

astro-ph.GA2021★ 8 cited

Measuring the alpha-abundance of subsolar-metallicity stars in the Milky Way's central half-parsec: testing globular cluster and dwarf galaxy infall scenarios

Rory O. Bentley, Tuan Do, Wolfgang Kerzendorf +4

While the Milky Way Nuclear star cluster has been studied extensively, how it formed is uncertain. Studies have shown it contains a solar and supersolar metallicity population that…

astro-ph.EP2021★ 64 cited

Deep exploration of the planets HR 8799 b, c, and d with moderate resolution spectroscopy

Jean-Baptiste Ruffio, Quinn M. Konopacky, Travis Barman +6

The four directly imaged planets orbiting the star HR 8799 are an ideal laboratory to probe atmospheric physics and formation models. We present more than a decade's worth of Keck/…

astro-ph.EP2021★ 79 cited

Detection and Bulk Properties of the HR 8799 Planets with High Resolution Spectroscopy

Jason J. Wang, Jean-Baptiste Ruffio, Evan Morris +49

Using the Keck Planet Imager and Characterizer (KPIC), we obtained high-resolution (R35,000) -band spectra of the four planets orbiting HR 8799. We clearly detected \water…

astro-ph.SR2021

Cloud Properties of Brown Dwarf Binaries Across the L/T Transition

Laci Shea Brock, Travis Barman, Quinn M. Konopacky +1

We present a new suite of atmosphere models with flexible cloud parameters to investigate the effects of clouds on brown dwarfs across the L/T transition. We fit these models to a…

astro-ph.GA2021★ 33 cited

The 3-D Kinematics of the Orion Nebula Cluster: NIRSPEC-AO Radial Velocities of the Core Population

Christopher A. Theissen, Quinn M. Konopacky, Jessica R. Lu +5

The kinematics and dynamics of stellar and substellar populations within young, still-forming clusters provides valuable information for constraining theories of formation mechanis…