Rick Burruss
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View article: A Dedicated System for Coordinated Radio and Optical Monitoring of the Space Weather of Young, Solar-type Stars
A Dedicated System for Coordinated Radio and Optical Monitoring of the Space Weather of Young, Solar-type Stars Open
Low-frequency radio emission in the form of type II and III bursts is a direct indicator of plasma motion in the solar corona and interplanetary medium. However, detecting equivalent events on solar analogs requires thousands of observing …
View article: On-sky demonstration at Palomar Observatory of the near-IR, high-resolution VIPA spectrometer
On-sky demonstration at Palomar Observatory of the near-IR, high-resolution VIPA spectrometer Open
A near-IR high-resolution, R=80000 spectrometer has been developed at IPAG to\ndirectly characterize the atmosphere of exoplanets using adaptive optics (AO)\nassisted telescopes, and a single-mode fiber-injection unit. A first technical\nt…
View article: The Zwicky Transient Facility phase I sample of hydrogen-rich superluminous supernovae without strong narrow emission lines
The Zwicky Transient Facility phase I sample of hydrogen-rich superluminous supernovae without strong narrow emission lines Open
We present a sample of 14 hydrogen-rich superluminous supernovae (SLSNe II) from the Zwicky Transient Facility (ZTF) between 2018 and 2020. We include all classified SLSNe with peaks $M_{g}<-20$ mag and with observed \emph{broad} but not n…
View article: CHARACTERIZATION OF THE ATMOSPHERE OF THE HOT JUPITER HAT-P-32Ab AND THE M-DWARF COMPANION HAT-P-32B
CHARACTERIZATION OF THE ATMOSPHERE OF THE HOT JUPITER HAT-P-32Ab AND THE M-DWARF COMPANION HAT-P-32B Open
We report secondary eclipse photometry of the hot Jupiter HAT-P-32Ab, taken with Hale/WIRC in H and Ks bands and with Spitzer/IRAC at 3.6 and 4.5 micron. We carried out adaptive optics imaging of the planet host star HAT-P-32A and its comp…
View article: KNOW THE STAR, KNOW THE PLANET. IV. A STELLAR COMPANION TO THE HOST STAR OF THE ECCENTRIC EXOPLANET HD 8673b
KNOW THE STAR, KNOW THE PLANET. IV. A STELLAR COMPANION TO THE HOST STAR OF THE ECCENTRIC EXOPLANET HD 8673b Open
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 companion. We observed HD 8673 multiple times with the 10 m Keck…
View article: The ZTF Source Classification Project – II. Periodicity and variability processing metrics
The ZTF Source Classification Project – II. Periodicity and variability processing metrics Open
The current generation of all-sky surveys is rapidly expanding our ability to study variable and transient sources. These surveys, with a variety of sensitivities, cadences, and fields of view, probe many ranges of time-scale and magnitude…
View article: Initial characterization of active transitioning centaur, P/2019 LD2 (ATLAS), using Hubble, Spitzer, ZTF, Keck, Apache Point Observatory, and GROWTH visible and infrared imaging and spectroscopy
Initial characterization of active transitioning centaur, P/2019 LD2 (ATLAS), using Hubble, Spitzer, ZTF, Keck, Apache Point Observatory, and GROWTH visible and infrared imaging and spectroscopy Open
We present visible and mid-infrared imagery and photometry of temporary Jovian co-orbital comet P/2019 LD2 taken with Hubble Space Telescope/Wide Field Camera 3 (HST/WFC3), Spitzer Space Telescope/Infrared Array Camera (Spitzer/IRAC), and …
View article: Design and performance of the PALM-3000 3.5 kHz upgrade
Design and performance of the PALM-3000 3.5 kHz upgrade Open
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 October 2011 and has since been used on-sky for over 600 nights …
View article: Design and performance of the PALM-3000 3.5 kHz upgrade
Design and performance of the PALM-3000 3.5 kHz upgrade Open
PALM-3000 (P3K), the second-generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope at Palomar Observatory, underwent a significant upgrade to its wavefront sensor (WFS) arm and real-time control (RTC) system in late 20…
View article: Design requirements for the Wide-field Infrared Transient Explorer (WINTER)
Design requirements for the Wide-field Infrared Transient Explorer (WINTER) Open
The Wide-field Infrared Transient Explorer (WINTER) is a 1x1 degree infrared\nsurvey telescope under development at MIT and Caltech, and slated for\ncommissioning at Palomar Observatory in 2021. WINTER is a seeing-limited\ninfrared time-do…
View article: Initial Visible and Mid-IR Characterization of P/2019 LD₂ (ATLAS), an Active Transitioning Centaur Among the Trojans, with Hubble, Spitzer, ZTF, Keck, APO and GROWTH Imaging and Spectroscopy
Initial Visible and Mid-IR Characterization of P/2019 LD₂ (ATLAS), an Active Transitioning Centaur Among the Trojans, with Hubble, Spitzer, ZTF, Keck, APO and GROWTH Imaging and Spectroscopy Open
We present visible and mid-infrared imagery and photometry of Jovian co-orbital comet P/2019 LD₂ (ATLAS) taken with Hubble Space Telescope/WFC3 on 2020 April 1, Spitzer Space Telescope/IRAC on 2020 January 25, Zwicky Transient Facility bet…
View article: SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its Infancy by the Zwicky Transient Facility
SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its Infancy by the Zwicky Transient Facility Open
High-cadence transient surveys are able to capture supernovae closer to their first light than ever before. Applying analytical models to such early emission, we can constrain the progenitor stars’ properties. In this paper, we present obs…
View article: Characterization of Temporarily Captured Minimoon 2020 CD<sub>3</sub> by Keck Time-resolved Spectrophotometry
Characterization of Temporarily Captured Minimoon 2020 CD<sub>3</sub> by Keck Time-resolved Spectrophotometry Open
We present time-resolved visible spectrophotometry of 2020 CD 3 , the second known minimoon. The spectrophotometry was taken with the Keck I/Low Resolution Imaging Spectrometer between wavelengths 434 and 912 nm in the B , g , V , R , I , …
View article: Characterization of Temporarily-Captured Minimoon 2020 CD$_3$ by Keck Time-resolved Spectrophotometry
Characterization of Temporarily-Captured Minimoon 2020 CD$_3$ by Keck Time-resolved Spectrophotometry Open
We present time-resolved visible spectrophotometry of minimoon 2020 CD$_3$, the second asteroid known to become temporarily captured by the Earth-Moon system's gravitational field. The spectrophotometry was taken with Keck I/LRIS between w…
View article: Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g
Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g Open
We report the first plausible optical electromagnetic counterpart to a (candidate) binary black hole merger. Detected by the Zwicky Transient Facility, the electromagnetic flare is consistent with expectations for a kicked binary black hol…
View article: A high-energy neutrino coincident with a Tidal Disruption Event
A high-energy neutrino coincident with a Tidal Disruption Event Open
IceCube discovered a diffuse flux of high-energy neutrinos in 2013, and recently identified the flaring blazar TXS 0506+056 as a likely neutrino source. However, a combined analysis of many similar blazars revealed no significant populatio…
View article: SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its\n Infancy by the Zwicky Transient Facility
SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its\n Infancy by the Zwicky Transient Facility Open
High cadence transient surveys are able to capture supernovae closer to their\nfirst light than before. Applying analytical models to such early emission, we\ncan constrain the progenitor stars properties. In this paper, we present\nobserv…
View article: SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its Infancy by the Zwicky Transient Facility
SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its Infancy by the Zwicky Transient Facility Open
High cadence transient surveys are able to capture supernovae closer to their first light than before. Applying analytical models to such early emission, we can constrain the progenitor stars properties. In this paper, we present observati…
View article: The Zwicky Transient Facility: Science Objectives
The Zwicky Transient Facility: Science Objectives Open
The Zwicky Transient Facility (ZTF), a public–private enterprise, is a new time-domain survey employing a dedicated camera on the Palomar 48-inch Schmidt telescope with a 47 deg 2 field of view and an 8 second readout time. It is well posi…
View article: The Zwicky Transient Facility: System Overview, Performance, and First Results
The Zwicky Transient Facility: System Overview, Performance, and First Results Open
The Zwicky Transient Facility (ZTF) is a new optical time-domain survey that uses the Palomar 48 inch Schmidt telescope. A custom-built wide-field camera provides a 47 deg 2 field of view and 8 s readout time, yielding more than an order o…
View article: Project 1640 observations of the white dwarf HD 114174 B
Project 1640 observations of the white dwarf HD 114174 B Open
We present the first near infrared spectrum of the faint white dwarf companion HD 114174 B, obtained with Project 1640. Our spectrum, covering the Y, J and H bands, combined with previous TaRgetting bENchmark-objects with Doppler Spectrosc…
View article: Project 1640 Observations of Brown Dwarf GJ 758 B: Near-infrared Spectrum and Atmospheric Modeling
Project 1640 Observations of Brown Dwarf GJ 758 B: Near-infrared Spectrum and Atmospheric Modeling Open
The nearby Sun-like star GJ 758 hosts a cold substellar companion, GJ 758 B, at a projected separation of ≲30 au, previously detected in high-contrast multi-band photometric observations. In order to better constrain the companion’s physic…