List of works by Michael W. McElwain

A Discovery of a Candidate Companion to a Transiting System KOI-94: A Direct Imaging Study for a Possibility of a False Positive

A High-Eccentricity Warm Jupiter Orbiting TOI-4127

scientific article published in 2023

A New Brown Dwarf Desert? A Scarcity of Wide Ultracool Binaries

scientific article published on 31 January 2007

A comprehensive radial velocity error budget for next generation Doppler spectrometers ⬇️

A statistical analysis of SEEDS and other high-contrast exoplanet surveys: massive planets or low-mass brown dwarfs? ⬇️

scientific article published in the Astrophysical Journal

A super-Earth orbiting near the inner edge of the habitable zone around the M4.5 dwarf Ross 508

scientific article published in 2022

Atmospheric Characterization and Further Orbital Modeling of κ Andromeda b

scientific article published on 7 January 2020

Characterization of Dusty Debris Disks: The IRAS and Hipparcos Catalogs

scientific article published in 'The Astrophysical Journal' in May 2007

Characterization of JWST science performance from commissioning

scientific article

Constraining PDS 70b’s Formation Mechanism with Multi-hydrogen-emission Observations

scientific article

Detection of p-mode Oscillations in HD 35833 with NEID and TESS

scientific article published on 16 November 2022

Diffraction Limited Imaging Spectroscopy of a Sgr A* Flare with OSIRIS

Diffraction-limited Imaging Spectroscopy of the Sagittarius A* Region Using OSIRIS, a New Keck Instrument ⬇️

scientific article published in the Astrophysical Journal

Direct Imaging and Astrometric Discovery of a Superjovian Planet Orbiting an Accelerating Star

scientific article published on 14 April 2023

Direct imaging detection of methane in the atmosphere of GJ 504 b ⬇️

scientific article published on 30 October 2013

Direct-imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS*

scientific article published on 27 July 2022

Discovery of an inner disk component around HD 141569 A ⬇️

scholarly article

Discovery of the coldest imaged companion of a Sun-like star ⬇️

scientific article published in the Astrophysical Journal

Disk Detective: discovery of new circumstellar disk candidates through citizen science ⬇️

scientific article published in the Astrophysical Journal

Elemental Abundances of nearby M Dwarfs Based on High-resolution Near-infrared Spectra Obtained by the Subaru/IRD Survey: Proof of Concept

scientific article published on 18 January 2022

Extreme asymmetry in the polarized disk of V1247 Orionis ⬇️

scientific article

First High‐Contrast Science with an Integral Field Spectrograph: The Substellar Companion to GQ Lupi ⬇️

scientific article published in the Astrophysical Journal

First exoplanet transit observation with the Stratospheric Observatory for Infrared Astronomy: Confirmation of Rayleigh scattering in HD 189733 b with HIPO

First results with OSIRIS: NIR-imaging spectroscopy at the diffraction limit

GJ 3929: High Precision Photometric and Doppler Characterization of an Exo-Venus and its Hot, Mini-Neptune-mass Companion

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy

scientific article published on 23 May 2024

High-Resolution Near-Infrared Polarimetry of a Circumstellar Disk around UX Tau A

scholarly article

High-contrast Polarimetry Observation of the T Tau Circumstellar Environment

scientific article published in the Astrophysical Journal

High-contrast imaging of intermediate-mass giants with long-term radial velocity trends ⬇️

scientific article published on 12 July 2016

High-resolution Near-infrared Polarimetry and Submillimeter Imaging of FS Tau A: Possible Streamers in Misaligned Circumbinary Disk System

scientific article published in February 2020

Investigating Possible Binarity for GJ 229B

Isochronal age-mass discrepancy of young stars: SCExAO/CHARIS integral field spectroscopy of the HIP 79124 triple system

scientific article

JWST/NIRCam Coronagraphy of the Young Planet-hosting Debris Disk AU Microscopii

Keck Imaging of Binary L Dwarfs.

scientific article published in November 1999

Keck/OSIRIS Paβ High-contrast Imaging and Updated Constraints on PDS 70b

scientific article published on 26 October 2021

Lower limits on aperture size for an exoEarth detecting coronagraphic mission ⬇️

scientific article published in the Astrophysical Journal

Mapping H-band scattered light emission in the mysterious SR21 transitional disk ⬇️

scientific article published in the Astrophysical Journal

Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk

NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity

scientific article published in February 2023

Near-IR high-resolution imaging polarimetry of the SU Aur disk: clues for tidal tails? ⬇️

scientific article (publication date: 4 June 2015)

Near-IR polarized scattered light imagery of the DoAr 28 transitional disk ⬇️

scientific article

Near-infrared imaging polarimetry of LkCa 15: A possible warped inner disk ⬇️

scientific article published in January 2016

Near-infrared imaging polarimetry of inner region of GG Tau A disk ⬇️

scientific article published in Astronomical Journal

No Clear, Direct Evidence for Multiple Protoplanets Orbiting LkCa 15: LkCa 15 bcd are Likely Inner Disk Signals ⬇️

scholarly article

OSIRIS – a New Integral-Field Spectrograph at Keck Observatory

OSIRIS: A diffraction limited integral field spectrograph for Keck

OSIRIS: AO-assisted integral-field spectroscopy at the Keck Observatory

scientific article

OSIRIS: a diffraction limited integral field spectrograph for Keck

scientific article published in January 2006

Observing the Sun as a Star: Design and Early Results from the NEID Solar Feed

scientific article published on 22 March 2022

Optimal dark hole generation via two deformable mirrors with stroke minimization

scientific article

Resolved near-infrared image of the inner cavity in the GM Aur transitional disk ⬇️

scientific article

SCExAO/CHARIS Direct Imaging Discovery of a 20 au Separation, Low-Mass Ratio Brown Dwarf Companion to an Accelerating Sun-like Star

scientific article

SCExAO/CHARIS Near-infrared Direct Imaging, Spectroscopy, and Forward-Modeling of κ And b: A Likely Young, Low-gravity Superjovian Companion

scientific article published in Astronomical Journal

SCExAO/CHARIS Near-infrared Integral Field Spectroscopy of the HD 15115 Debris Disk

scholarly article published in 2020

Solar Contamination in Extreme-precision Radial-velocity Measurements: Deleterious Effects and Prospects for Mitigation

scientific article published on 18 March 2020

Space telescope design to directly image the habitable zone of Alpha Centauri

Spiral structure and differential dust size distribution in the LKH{alpha} 330 disk ⬇️

scientific article published in Astronomical Journal

Stable Fiber-illumination for Extremely Precise Radial Velocities with NEID

scientific article published on 15 August 2023

Subaru Near-infrared Imaging Polarimetry of Misaligned Disks around the SR 24 Hierarchical Triple System*

scientific article published on 12 December 2019

Subaru/HiCIAO HK s Imaging of LKHa 330: Multi-band Detection of the Gap and Spiral-like Structures

scientific article published in Astronomical Journal

Subaru/SCExAO First-light Direct Imaging of a Young Debris Disk around HD 36546 ⬇️

scholarly article

Surface geometry of protoplanetary disks inferred from near-infrared imaging polarimetry ⬇️

scientific article published in the Astrophysical Journal

TOI-1859b: A 64-Day Warm Jupiter on an Eccentric and Misaligned Orbit

Technology development towards WFIRST-AFTA coronagraph

The 2MASS Wide-Field T Dwarf Search. III. Seven New T Dwarfs and Other Cool Dwarf Discoveries

scientific article published in Astronomical Journal

The 2MASS Wide-Field T Dwarf Search. IV. Hunting Out T Dwarfs with Methane Imaging

scientific article published in Astronomical Journal

The 2MASS Wide-Field T Dwarf Search. V. Discovery of a T Dwarf via Methane Imaging

scientific article published in Astronomical Journal

The 2Mass Wide-Field T Dwarf Search. I. Discovery of a Bright T Dwarf within 10 Parsecs of the Sun

scientific article published in Astronomical Journal

The Aligned Orbit of WASP-148b, the Only Known Hot Jupiter with a nearby Warm Jupiter Companion, from NEID and HIRES

scientific article published in February 2022

The Death of Vulcan: NEID Reveals That the Planet Candidate Orbiting HD 26965 Is Stellar Activity ⬇️

journal article from 'The Astronomical Journal' published in 2024

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm

scientific article published in 'The Astrophysical Journal Letters' in July 2023

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems III: Aperture Masking Interferometric Observations of the star HIP 65426 at 3.8μm

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems IV: NIRISS Aperture Masking Interferometry Performance and Lessons Learned

The JWST Early Release Science Program for the Direct Imaging & Spectroscopy of Exoplanetary Systems

scientific article published in 2022

The James Webb Space Telescope Mission

scientific article published in June 2023

The NEID precision radial velocity spectrometer: optical design of the port adapter and ADC

scientific article published on 9 July 2018

The NEID precision radial velocity spectrometer: port adapter overview, requirements, and test plan

scientific article published on 27 July 2018

The SEEDS High-Contrast Imaging Survey of Exoplanets Around Young Stellar Objects ⬇️

scientific article published in Astronomical Journal

The Shadow Knows: Using Shadows to Investigate the Structure of the Pretransitional Disk of HD 100453 ⬇️

scientific article published in the Astrophysical Journal

The Warm Neptune GJ 3470b Has a Polar Orbit

scientific article published on 26 May 2022

The optical design of CHARIS: an exoplanet IFS for the Subaru telescope

The unusual M-dwarf Warm Jupiter TOI-1899~b: Refinement of orbital and planetary parameters

scientific article published on 3 August 2023

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