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Ghosts of NEID's Past
Shubham Kanodia, Joe P. Ninan, Andrew J. Monson +14
The NEID spectrograph is a R 120,000 resolution fiber-fed and highly stabilized spectrograph for extreme radial velocity (RV) precision. It is being commissioned at the 3.5…
SCExAO/CHARIS Direct Imaging Discovery of a 20 au Separation, Low-Mass Ratio Brown Dwarf Companion to an Accelerating Sun-like Star
Thayne Currie, Timothy D. Brandt, Masayuki Kuzuhara +27
We present the direct imaging discovery of a substellar companion to the nearby Sun-like star, HD 33632 Aa, at a projected separation of 20 au, obtained with SCExAO/CHARIS i…
JWST Noise Floor I: Random Error Sources in JWST NIRCam Time Series
Everett Schlawin, Jarron Leisenring, Karl Misselt +4
JWST transmission and emission spectra will provide invaluable glimpses of transiting exoplanet atmospheres, including possible biosignatures. This promising science from JWST, how…
JWST Noise Floor II: Systematic Error Sources in JWST NIRCam Time Series
Everett Schlawin, Jarron Leisenring, Michael W. McElwain +7
JWST holds great promise in characterizing atmospheres of transiting exoplanets, potentially providing insights into Earth-sized planets within the habitable zones of M dwarf host…
SCExAO/CHARIS Near-IR Integral Field Spectroscopy of the HD 15115 Debris Disk
Kellen Lawson, Thayne Currie, John P. Wisniewski +23
We present new, near-infrared ( ) high-contrast imaging of the debris disk around HD 15115 with the Subaru Coronagraphic Extreme Adaptive Optics system (SCExAO) coup…
SCExAO/CHARIS High-Contrast Imaging of Spirals and Darkening Features in the HD 34700 A Protoplanetary Disk
Taichi Uyama, Thayne Currie, Valentin Christiaens +27
We present Subaru/SCExAO+CHARIS broadband (-band) integral field spectroscopy of HD 34700 A. CHARIS data recover HD 34700 A's disk ring and confirm multiple spirals discovered…