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Articles by Daniel Echeverri

PDS 70b Shows Stellar-like Carbon-to-oxygen Ratio
21 December 2024 by Chih-Chun Hsu and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
True mass and atmospheric composition of the non-transiting hot Jupiter HD 143105 b
5 December 2024 by Luke Finnerty and others
Earth and Planetary Astrophysics
RV measurements of directly imaged brown dwarf GQ Lup B to search for exo-satellites
19 August 2024 by Katelyn Horstman and others at LogoCaltech
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Fringing analysis and forward modeling of Keck Planet Imager and Characterizer (KPIC) spectra
19 August 2024 by Katelyn Horstman and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Atmospheric characterization of the super-Jupiter HIP 99770 b with KPIC
30 July 2024 by Yapeng Zhang and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Towards understanding interactions between the AO system and segment co-phasing with the vector-Zernike wavefront sensor on Keck
23 July 2024 by Maïssa Salama and others
Instrumentation and Methods for Astrophysics
The high-contrast performance of the Keck Planet Imager and Characterizer
21 June 2024 by Jason Wang and others
Instrumentation and Methods for Astrophysics, Earth and Planetary Astrophysics
Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy
18 June 2024 by Chih-Chun Hsu and others
Solar and Stellar Astrophysics, Earth and Planetary Astrophysics
Are these planets or brown dwarfs? Broadly solar compositions from high-resolution atmospheric retrievals of ~10-30 M_\textrm{Jup} companions
21 May 2024 by Jerry Xuan and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
kappa And b is a fast rotator from KPIC High Resolution Spectroscopy
21 May 2024 by Evan Morris and others
Earth and Planetary Astrophysics
Keck Primary Mirror Closed-Loop Segment Control using a Vector-Zernike Wavefront Sensor
12 April 2024 by Maissa Salama and others
Instrumentation and Methods for Astrophysics
Orbital and Atmospheric Characterization of the 1RXS J034231.8+121622 System Using High-Resolution Spectroscopy Confirms That The Companion is a Low-Mass Star
11 April 2024 by Clarissa R. Do Ó. and others
Solar and Stellar Astrophysics, Earth and Planetary Astrophysics
Laboratory demonstration of a Photonic Lantern Nuller in monochromatic and broadband light
1 April 2024 by Yinzi Xin and others
Instrumentation and Methods for Astrophysics
Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319
26 March 2024 by Daniel Echeverri and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Validation of elemental and isotopic abundances in late-M spectral types with the benchmark HIP 55507 AB system
4 December 2023 by Jerry Xuan and others
Solar and Stellar Astrophysics, Earth and Planetary Astrophysics
Atmospheric metallicity and C/O of HD 189733 b from high-resolution spectroscopy
30 November 2023 by Luke Finnerty and others
Earth and Planetary Astrophysics
Exploring calibration algorithms to maximize the null depth in KPIC's vortex fiber nulling mode
28 September 2023 by Sofia Hillman and others
Instrumentation and Methods for Astrophysics
Vortex Fiber Nulling for Exoplanet Observations: Implementation and First Light
12 September 2023 by Daniel Echeverri and others
Instrumentation and Methods for Astrophysics, Earth and Planetary Astrophysics
On-sky speckle nulling through a single-mode fiber with the Keck Planet Imager and Characterizer
25 July 2023 by Yinzi Xin and others
Instrumentation and Methods for Astrophysics
Keck/KPIC Emission Spectroscopy of WASP-33b
30 May 2023 by Luke Finnerty and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Detecting exomoons from radial velocity measurements of self-luminous planets: application to observations of HR 7672 B and future prospects
6 February 2023 by Jean-Baptiste Ruffio and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Planet Search with the Keck/NIRC2 Vortex Coronagraph in Ms-band for Vega
18 January 2023 by Bin Ren and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Phase II of the Keck Planet Imager and Characterizer: system-level laboratory characterization and preliminary on-sky commissioning
28 October 2022 by Daniel Echeverri and others at LogoCaltech
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Broadband vortex fiber nulling: high-dispersion exoplanet science at the diffraction limit
28 October 2022 by Daniel Echeverri and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Observing inside the coronagraphic regime with optimized single-mode nulling interferometry
17 October 2022 by Eugene Serabyn and others
Instrumentation and Methods for Astrophysics
Retrieving C and O Abundance of HR 8799 c by Combining High- and Low-Resolution Data
4 October 2022 by Ji Wang and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Efficient detection and characterization of exoplanets within the diffraction limit: nulling with a mode-selective photonic lantern
15 September 2022 by Yinzi Xin and others
Instrumentation and Methods for Astrophysics
A Clear View of a Cloudy Brown Dwarf Companion from High-Resolution Spectroscopy
2 August 2022 by Jerry Xuan and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Retrieving the C and O Abundances of HR 7672~AB: a Solar-Type Primary Star with a Benchmark Brown Dwarf
5 February 2022 by Ji Wang and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
The Keck Planet Imager and Characterizer: A dedicated single-mode fiber injection unit for high resolution exoplanet spectroscopy
27 July 2021 by Jacques-Robert Delorme and others
Instrumentation and Methods for Astrophysics
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