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papers

Publications (63)

astro-ph.EP2021

HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS

Tianjun Gan, Megan Bedell, Sharon Xuesong Wang +48

astro-ph.EP2021

Evolution of the Exoplanet Size Distribution: Forming Large Super-Earths Over Billions of Years

Trevor J. David, Gabriella Contardo, Angeli Sandoval +9

astro-ph.EP2025

Peering into the black box: forward-modeling the uncertainty budget of high-resolution spectroscopy of exoplanet atmospheres

Arjun B. Savel, Megan Bedell, Eliza M. -R. Kempton +6

astro-ph.IM2019

Wobble: A Data-driven Analysis Technique for Time-series Stellar Spectra

Megan Bedell, David W. Hogg, Daniel Foreman-Mackey +2

astro-ph.SR2024

Evidence of Truly Young high-$α$ Dwarf Stars

Yuxi Lu, Isabel L. Colman, Maryum Sayeed +14

astro-ph.SR2025

The influence of chromospheric activity on line formation

Mariela C. Vieytes, Lily L. Zhao, Megan Bedell

astro-ph.EP2024

Fishing for Planets: A Comparative Analysis of EPRV Survey Performance in the Presence of Correlated Noise

Arvind F. Gupta, Megan Bedell

astro-ph.EP2016

HELIOS: An Open-source, GPU-accelerated Radiative Transfer Code For Self-consistent Exoplanetary Atmospheres

Matej Malik, Luc Grosheintz, João M. Mendonça +10

astro-ph.IM2019

The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition

The MSE Science Team, Carine Babusiaux, Maria Bergemann +258

astro-ph.SR2024

The Sun Remains Relatively Refractory Depleted: Elemental Abundances for 17,412 Gaia RVS Solar Analogs and 50 Planet Hosts

Rayna Rampalli, Melissa K. Ness, Graham H. Edwards +2

astro-ph.SR2018

The Solar Twin Planet Search: The age - chromospheric activity relation

Diego Lorenzo-Oliveira, Fabrício C. Freitas, Jorge Meléndez +8

astro-ph.SR2026

A Galactic Perspective on the (Unremarkable) Relative Refractory Depletion Observed in the Sun

Rayna Rampalli, James W. Johnson, Melissa K. Ness +5

astro-ph.SR2021

Mapping stellar surfaces III: An Efficient, Scalable, and Open-Source Doppler Imaging Model

Rodrigo Luger, Megan Bedell, Daniel Foreman-Mackey +3

astro-ph.EP2017

The transiting multi-planet system HD3167: a 5.7 MEarth Super-Earth and a 8.3 MEarth mini-Neptune

Davide Gandolfi, Oscar Barragán, Artie P. Hatzes +42

astro-ph.SR2021

Chemical evidence for planetary ingestion in a quarter of Sun-like stars

Lorenzo Spina, Parth Sharma, Jorge Meléndez +5

astro-ph.SR2025

Many Roads Lead to Lithium: Formation Pathways For Lithium-Rich Red Giants

Maryum Sayeed, Melissa K. Ness, Benjamin T. Montet +8

astro-ph.SR2024

A Data-driven Spectral Model of Main Sequence Stars in Gaia DR3

Isabel Angelo, Megan Bedell, Erik Petigura +1

astro-ph.GA2022

The 3D Galactocentric velocities of Kepler stars: marginalizing over missing RVs

Ruth Angus, Adrian M. Price-Whelan, Joel C. Zinn +4

astro-ph.SR2025

gr8stars I: A homogeneous spectroscopic study of bright FGKM dwarfs and a public library of their high-resolution spectra

Alix Violet Freckelton, Annelies Mortier, Megan Bedell +15

astro-ph.SR2018

The Chemical Homogeneity of Sun-like Stars in the Solar Neighborhood

Megan Bedell, Jacob L. Bean, Jorge Melendez +9

astro-ph.EP2025

A Link Between Rocky Planet Density and Host Star Chemistry

Aida Behmard, Casey L. Brinkman, Soichiro Hattori +2

astro-ph.IM2022

Improving Binary Millisecond Pulsar Distances with Gaia

Chiara M. F. Mingarelli, Lauren Anderson, Megan Bedell +2

astro-ph.SR2013

High Precision Abundances of the Old Solar Twin HIP 102152: Insights on Li Depletion from the Oldest Sun

TalaWanda R. Monroe, Jorge Meléndez, Iván Ramírez +13

astro-ph.SR2026

Benchmark Brown Dwarf Systems I: Chemical Abundance Analysis of FGK Stars with Wide-Separation Brown Dwarf Companions Using PEPSI

Caprice L. Phillips, Megan Bedell, Catherine Manea +11

The authors performed a high‑resolution spectroscopic survey of 32 FGK stars that host wide‑separation brown dwarf companions, deriving precise stellar parameters and abundances fo…

#brown dwarfs#stellar abundances#high-resolution spectroscopy#FGK host stars
astro-ph.EP2026

The Astrometric Resoeccentric Degeneracy: Eccentric Single Planets Mimic 2:1 Resonant Planet Pairs in Astrometry

Daniel A. Yahalomi, Tiger Lu, Philip J. Armitage +4

astro-ph.EP2019

TESS Photometric Mapping of a Terrestrial Planet in the Habitable Zone: Detection of Clouds, Oceans, and Continents

Rodrigo Luger, Megan Bedell, Roland Vanderspek +1

astro-ph.EP2021

TOI-2076 and TOI-1807: Two young, comoving planetary systems within 50 pc identified by TESS that are ideal candidates for further follow-up

Christina Hedges, Alex Hughes, Steven Giacalone +42

astro-ph.SR2016

The Solar Twin Planet Search: IV. The Sun as a typical rotator and evidence for a new rotational braking law for Sun-like stars

Leonardo A. dos Santos, Jorge Meléndez, José-Dias do Nascimento +8

astro-ph.IM2026

Scalable Gaussian Processes for Integrated and Overlapping Measurements Via Augmented State Space Models

Ryan A. Rubenzahl, Soichiro Hattori, Simo Särkkä +4

astro-ph.SR2020

How magnetic activity alters what we learn from stellar spectra

Lorenzo Spina, Thomas Nordlander, Andrew R. Casey +8

astro-ph.SR2017

The temporal evolution of neutron-capture elements in the Galactic discs

Lorenzo Spina, Jorge Meléndez, Amanda I. Karakas +8

astro-ph.EP2024

gaspery: Optimized Scheduling of Radial Velocity Follow-Up Observations for Active Host Stars

Christopher Lam, Megan Bedell, Lily L. Zhao +2

astro-ph.SR2026

A constrained linear model for continuum normalization of stellar spectra

Andrew R. Casey, Adam Wheeler, Megan Bedell +3

astro-ph.SR2026

The Fe I 4377 Ã Line as a Solar Faculae Indicator: Insights from Spectral Ratio Analysis

Katlyn L. Hobbs, Christopher A. Watson, Jean C. Costes +21

astro-ph.IM2024

cortecs: A Python package for compressing opacities

Arjun B. Savel, Megan Bedell, Eliza M. -R. Kempton

astro-ph.SR2019

Stellar Astrophysics and Exoplanet Science with the Maunakea Spectroscopic Explorer (MSE)

Maria Bergemann, Daniel Huber, Vardan Adibekyan +70

astro-ph.EP2018

A TESS Dress Rehearsal: Planetary Candidates and Variables from K2 Campaign 17

Ian J. M. Crossfield, Natalia Guerrero, Trevor David +38

astro-ph.EP2023

Joint Modeling of Radial Velocities and Photometry with a Gaussian Process Framework

Quang H. Tran, Megan Bedell, Daniel Foreman-Mackey +1

astro-ph.SR2018

Actions are weak stellar age indicators in the Milky Way disk

Angus Beane, Melissa K. Ness, Megan Bedell

astro-ph.SR2026

Spectral Ratio Analysis: probing of a new suite of stellar activity indicators as a tool for astrophysical noise mitigation

Jean C. Costes, Christopher A. Watson, Ernst de Mooij +6

astro-ph.EP2019

No Evidence for Lunar Transit in New Analysis of Hubble Space Telescope Observations of the Kepler-1625 System

Laura Kreidberg, Rodrigo Luger, Megan Bedell

astro-ph.SR2026

The Sun's chemical peculiarity: disentangling Galactic chemical evolution and planetary engulfment in solar twins

Mia Babatsikos, Fan Liu, Amanda Karakas +5

astro-ph.EP2021

Higher Compact Multiple Occurrence Around Metal-Poor M-Dwarfs and Late K-Dwarfs

Sophie G. Anderson, Jason A. Dittmann, Sarah Ballard +1

astro-ph.SR2017

Spectroscopic binaries in the Solar Twin Planet Search program: from substellar-mass to M dwarf companions

Leonardo A. dos Santos, Jorge Meléndez, Megan Bedell +6

astro-ph.EP2022

The EXPRES Stellar Signals Project II. State of the Field in Disentangling Photospheric Velocities

Lily L. Zhao, Debra A. Fischer, Eric B. Ford +40

astro-ph.EP2023

The Extreme Stellar-Signals Project III. Combining Solar Data from HARPS, HARPS-N, EXPRES, and NEID

Lily L. Zhao, Xavier Dumusque, Eric B. Ford +37

astro-ph.SR2026

gr8stars II : judgement day for spectroscopic parameter model systematics

Alix Violet Freckelton, Annelies Mortier, Megan Bedell +18

astro-ph.SR2026

Seeking Spectroscopic Binaries with Data-Driven Models

Isabel Angelo, Erik Petigura, Megan Bedell

astro-ph.EP2017

Kepler-11 is a Solar Twin: Revising the Masses and Radii of Benchmark Planets Via Precise Stellar Characterization

Megan Bedell, Jacob L. Bean, Jorge Melendez +7

astro-ph.EP2025

Planets Around Solar Twins/Analogs (PASTA) II: chemical abundances, systematic offsets, and clues to planet formation

Qinghui Sun, Chenyang Ji, Sharon Xuesong Wang +5

astro-ph.SR2019

Towards precise stellar ages: combining isochrone fitting with empirical gyrochronology

Ruth Angus, Timothy D. Morton, Daniel Foreman-Mackey +7

astro-ph.SR2024

Asteroseismology of the Nearby K-Dwarf $σ$ Draconis using the Keck Planet Finder and TESS

Marc Hon, Daniel Huber, Yaguang Li +76

astro-ph.EP2016

K2-98 b: A 32-M$_\oplus$ Neptune-sized planet in a 10-day orbit transiting an F8 star

Oscar Barragán, Sascha Grziwa, Davide Gandolfi +21

astro-ph.EP2024

Planet Hunters TESS V: a planetary system around a binary star, including a mini-Neptune in the habitable zone

Nora L. Eisner, Samuel K. Grunblatt, Oscar Barragán +61

astro-ph.IM2023

Improving Distances to Binary Millisecond Pulsars with Gaia

Abigail Moran, Chiara M. F. Mingarelli, Megan Bedell +2

astro-ph.SR2025

Measuring the Suns radial velocity variability due to supergranulation over a magnetic cycle

Niamh K. O'Sullivan, Suzanne Aigrain, Michael Cretignier +9

astro-ph.SR2018

Thorium in solar twins: implications for habitability in rocky planets

Rafael B. Botelho, Andre de C. Milone, Jorge Melendez +10

astro-ph.GA2019

Variations in $α$-element ratios trace the chemical evolution of the disk

Kirsten Blancato, Melissa Ness, Kathryn V. Johnston +2

astro-ph.EP2023

A Jupiter analogue and a cold Super-Neptune orbiting the solar-twin star HIP 104045

Thiago Ferreira, Jorge Meléndez, Diego Lorenzo-Oliveira +3

astro-ph.EP2020

No Massive Companion to the Coherent Radio-Emitting M Dwarf GJ 1151

Benjamin J. S. Pope, Megan Bedell, Joseph R. Callingham +4

astro-ph.EP2016

The Solar Twin Planet Search. V. Close-in, low-mass planet candidates and evidence of planet accretion in the solar twin HIP 68468

Jorge Melendez, Megan Bedell, Jacob L. Bean +14

astro-ph.EP2022

Elemental Abundances of Kepler Objects of Interest in APOGEE DR17

Aida Behmard, Melissa Ness, Emily C. Cunningham +1

astro-ph.SR2019

Constraining the evolution of stellar rotation using solar twins

Diego Lorenzo-Oliveira, Jorge Meléndez, Jhon Yana Galarza +7