A Data-driven M Dwarf Model and Detailed Abundances for ​​​​​​∼17,000 M Dwarfs in SDSS-V

Authors: Aida Behmard, Melissa K. Ness, Andrew R. Casey, Ruth Angus, Katia Cunha, Diogo Souto, Yuxi(Lucy) Lu, Jennifer A. Johnson

Source: The Astrophysical Journal, Vol 982, Iss 1, p 13 (2025)

Subject Terms: Stellar abundances, M dwarf stars, High resolution spectroscopy, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/8290e8d0eef3415bbcddae02470b28af

Magnetic Fields in M-dwarf Members of the Pleiades Open Cluster Using APOGEE Spectra

Authors: Fábio Wanderley, Katia Cunha, Oleg Kochukhov, Verne V. Smith, Diogo Souto, Lyra Cao, Kevin Covey, Steven R. Majewski, Cintia Martinez, Philip S. Muirhead, Marc Pinsonneault, C. Allende Prieto, Keivan G. Stassun

Source: The Astrophysical Journal, Vol 971, Iss 1, p 112 (2024)

Subject Terms: Near infrared astronomy, Open star clusters, M dwarf stars, Stellar activity, Stellar magnetic fields, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/039ed866462d4864873280e4f186cc50

High-resolution Elemental Abundance Measurements of Cool JWST Planet Hosts Using AutoSpecFit: An Application to the Sub-Neptune K2-18b’s Host M Dwarf

Authors: Neda Hejazi, Ian J. M. Crossfield, Diogo Souto, Jonathan Brande, Thomas Nordlander, Emilio Marfil, Katia Cunha, David R. Coria, Zachary G. Maas, Alex S. Polanski, Natalie R. Hinkel, Joseph E. Hand

Source: The Astrophysical Journal, Vol 973, Iss 1, p 31 (2024)

Subject Terms: Low mass stars, Exoplanet formation, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/13afc9c616fc45589589256a99aa81c0

Stellar Characterization and Chemical Abundances of Exoplanet-hosting M Dwarfs from APOGEE Spectra: Future JWST Targets

Authors: Edypo Melo, Diogo Souto, Katia Cunha, Verne V. Smith, Fábio Wanderley, Vinicius Grilo, Deusalete Camara, Kely Murta, Neda Hejazi, Ian J. M. Crossfield, Johanna Teske, Rafael Luque, Michael Zhang, Jacob Bean

Source: The Astrophysical Journal, Vol 973, Iss 2, p 90 (2024)

Subject Terms: Near infrared astronomy, M dwarf stars, Stellar abundances, Exoplanets, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/1113be45acd349f4a2a2498ed7769cce

A Comprehensive Study of Open Cluster Chemical Homogeneity Using APOGEE and Milky Way Mapper Abundances

Authors: Amaya Sinha, Gail Zasowski, Peter Frinchaboy, Katia Cunha, Diogo Souto, Jamie Tayar, Keivan Stassun

Source: The Astrophysical Journal, Vol 975, Iss 1, p 89 (2024)

Subject Terms: Open star clusters, Stellar astronomy, Star clusters, Galactic archaeology, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/e3b26e025821453f835163e8dbfa4af2

Magnetic Fields in a Sample of Planet-hosting M Dwarf Stars from Kepler, K2, and TESS Observed by APOGEE

Authors: Fábio Wanderley, Katia Cunha, Verne V. Smith, Oleg Kochukhov, Diogo Souto, C. Allende Prieto, Suvrath Mahadevan, Steven R. Majewski, Philip S. Muirhead, Marc Pinsonneault, Ryan Terrien

Source: The Astrophysical Journal, Vol 975, Iss 1, p 109 (2024)

Subject Terms: Near infrared astronomy, M dwarf stars, Stellar activity, Stellar magnetic fields, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/5c2e229a99c94227a5f955e70cf7e376

The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V

Authors: Andrés Almeida, Scott F. Anderson, Maria Argudo-Fernández, Carles Badenes, Kat Barger, Jorge K. Barrera-Ballesteros, Chad F. Bender, Erika Benitez, Felipe Besser, Jonathan C. Bird, Dmitry Bizyaev, Michael R. Blanton, John Bochanski, Jo Bovy, William Nielsen Brandt, Joel R. Brownstein, Johannes Buchner, Esra Bulbul, Joseph N. Burchett, Mariana Cano Díaz, Joleen K. Carlberg, Andrew R. Casey, Vedant Chandra, Brian Cherinka, Cristina Chiappini, Abigail A. Coker, Johan Comparat, Charlie Conroy, Gabriella Contardo, Arlin Cortes, Kevin Covey, Jeffrey D. Crane, Katia Cunha, Collin Dabbieri, James W. Davidson Jr, Megan C. Davis, Anna Barbara de Andrade Queiroz, Nathan De Lee, José Eduardo Méndez Delgado, Sebastian Demasi, Francesco Di Mille, John Donor, Peter Dow, Tom Dwelly, Mike Eracleous, Jamey Eriksen, Xiaohui Fan, Emily Farr, Sara Frederick, Logan Fries, Peter Frinchaboy, Boris T. Gänsicke, Junqiang Ge, Consuelo González Ávila, Katie Grabowski, Catherine Grier, Guillaume Guiglion, Pramod Gupta, Patrick Hall, Keith Hawkins, Christian R. Hayes, J. J. Hermes, Lorena Hernández-García, David W. Hogg, Jon A. Holtzman, Hector Javier Ibarra-Medel, Alexander Ji, Paula Jofre, Jennifer A. Johnson, Amy M. Jones, Karen Kinemuchi, Matthias Kluge, Anton Koekemoer, Juna A. Kollmeier, Marina Kounkel, Dhanesh Krishnarao, Mirko Krumpe, Ivan Lacerna, Paulo Jakson Assuncao Lago, Chervin Laporte, Chao Liu, Ang Liu, Xin Liu, Alexandre Roman Lopes, Matin Macktoobian, Steven R. Majewski, Viktor Malanushenko, Dan Maoz, Thomas Masseron, Karen L. Masters, Gal Matijevic, Aidan McBride, Ilija Medan, Andrea Merloni, Sean Morrison, Natalie Myers, Szabolcs Mészáros, C. Alenka Negrete, David L. Nidever, Christian Nitschelm, Daniel Oravetz, Audrey Oravetz, Kaike Pan, Yingjie Peng, Marc H. Pinsonneault, Rick Pogge, Dan Qiu, Solange V. Ramirez, Hans-Walter Rix, Daniela Fernández Rosso, Jessie Runnoe, Mara Salvato, Sebastian F. Sanchez, Felipe A. Santana, Andrew Saydjari, Conor Sayres, Kevin C. Schlaufman, Donald P. Schneider, Axel Schwope, Javier Serna, Yue Shen, Jennifer Sobeck, Ying-Yi Song, Diogo Souto, Taylor Spoo, Keivan G. Stassun, Matthias Steinmetz, Ilya Straumit, Guy Stringfellow, José Sánchez-Gallego, Manuchehr Taghizadeh-Popp, Jamie Tayar, Ani Thakar, Patricia B. Tissera, Andrew Tkachenko, Hector Hernandez Toledo, Benny Trakhtenbrot, José G. Fernández-Trincado, Nicholas Troup, Jonathan R. Trump, Sarah Tuttle, Natalie Ulloa, Jose Antonio Vazquez-Mata, Pablo Vera Alfaro, Sandro Villanova, Stefanie Wachter, Anne-Marie Weijmans, Adam Wheeler, John Wilson, Leigh Wojno, Julien Wolf, Xiang-Xiang Xue, Jason E. Ybarra, Eleonora Zari, Gail Zasowski

Source: The Astrophysical Journal Supplement Series, Vol 267, Iss 2, p 44 (2023)

Subject Terms: Surveys, Astronomy databases, Astronomy data acquisition, Astronomy software, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/0067-0049

Access URL: https://doaj.org/article/c316293bd0cb4069bc0c64377b2d0cef

Stellar Characterization and Radius Inflation of Hyades M-dwarf Stars from the APOGEE Survey

Authors: Fábio Wanderley, Katia Cunha, Diogo Souto, Verne V. Smith, Lyra Cao, Marc Pinsonneault, C. Allende Prieto, Kevin Covey, Thomas Masseron, Ilaria Pascucci, Keivan G. Stassun, Ryan Terrien, Galen J. Bergsten, Dmitry Bizyaev, José G. Fernández-Trincado, Henrik Jönsson, Sten Hasselquist, Jon A. Holtzman, Richard R. Lane, Suvrath Mahadevan, Steven R. Majewski, Dante Minniti, Kaike Pan, Javier Serna, Jennifer Sobeck, Guy S. Stringfellow

Source: The Astrophysical Journal, Vol 951, Iss 2, p 90 (2023)

Subject Terms: M dwarf stars, Near infrared astronomy, Open star clusters, Stellar activity, Metallicity, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/3257bc78f80b4e9890b761fb84585458

Elemental Abundances of the Super-Neptune WASP-107b’s Host Star Using High-resolution, Near-infrared Spectroscopy

Authors: Neda Hejazi, Ian J. M. Crossfield, Thomas Nordlander, Megan Mansfield, Diogo Souto, Emilio Marfil, David R. Coria, Jonathan Brande, Alex S. Polanski, Joseph E. Hand, Kate F. Wienke

Source: The Astrophysical Journal, Vol 949, Iss 2, p 79 (2023)

Subject Terms: K dwarf stars, Astrophysics, QB460-466

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/a7dac99f07684fe7b26e526f11d66f17

Stellar Characterization of M Dwarfs from the APOGEE Survey: A Calibrator Sample for M-dwarf Metallicities.

Authors: Diogo Souto^1,2 souto@on.br, Katia Cunha^2,3, Verne V. Smith⁴, C. Allende Prieto^5,6, Adam Burgasser⁷, Kevin Covey⁸, D. A. García-Hernández^5,6, Jon A. Holtzman⁹, Jennifer A. Johnson¹⁰, Henrik Jönsson^11,12, Suvrath Mahadevan¹³, Steven R. Majewski¹⁴, Thomas Masseron^5,6, Matthew Shetrone¹⁵, Bárbara Rojas-Ayala¹⁶, Jennifer Sobeck¹⁴, Keivan G. Stassun¹⁷, Ryan Terrien¹⁸, Johanna Teske^19,20, Fábio Wanderley²

Source: Astrophysical Journal. 2/20/2020, Vol. 890 Issue 2, p1-1. 1p.

Subject Terms: *DWARF stars, *GALACTIC evolution, *MAIN sequence (Astronomy), *ECLIPSING binaries, *ASTRONOMICAL surveys, *BINARY stars

Company/Entity: SLOAN Digital Sky Survey

Triangulum–Andromeda Overdensity: a Region with a Complex Stellar Population.

Authors: J. V. Sales Silva, H. D. Perottoni, K. Cunha, H. J. Rocha-Pinto, F. Almeida-Fernandes, Diogo Souto, S. R. Majewski

Source: Astrophysical Journal; 12/1/2019, Vol. 886 Issue 2, p1-1, 1p

Subject Terms: STELLAR populations, ASTROMETRY, OPEN clusters of stars, MILKY Way, ASTRONOMICAL surveys, DWARF galaxies

Chemical Abundances of Main-sequence, Turnoff, Subgiant, and Red Giant Stars from APOGEE Spectra. II. Atomic Diffusion in M67 Stars.

Authors: Diogo Souto¹ diogodusouto@gmail.com, C. Allende Prieto^2,3, Katia Cunha^1,4, Marc Pinsonneault⁵, Verne V. Smith⁶, R. Garcia-Dias^2,3, Jo Bovy^7,8, D. A. García-Hernández^2,3, Jon Holtzman⁹, J. A. Johnson⁵, Henrik Jönsson¹⁰, Steve R. Majewski¹¹, Matthew Shetrone¹², Jennifer Sobeck¹¹, Olga Zamora^2,3, Kaike Pan¹³, Christian Nitschelm¹⁴

Source: Astrophysical Journal. 3/20/2019, Vol. 874 Issue 1, p1-1. 1p.

Subject Terms: *RED giants, *GLOBULAR clusters, *LOCAL thermodynamic equilibrium, *MAIN sequence (Astronomy), *DIFFUSION, *GALACTIC evolution, *HR diagrams

APOGEE Data Releases 13 and 14: Stellar Parameter and Abundance Comparisons with Independent Analyses.

Authors: Henrik Jönsson, Carlos Allende Prieto, Jon A. Holtzman, Diane K. Feuillet, Keith Hawkins, Katia Cunha, Szabolcs Mészáros, Sten Hasselquist, J. G. Fernández-Trincado, D. A. García-Hernández, Dmitry Bizyaev, Ricardo Carrera, Steven R. Majewski, Marc H. Pinsonneault, Matthew Shetrone, Verne Smith, Jennifer Sobeck, Diogo Souto, Guy S. Stringfellow, Johanna Teske

Source: Astronomical Journal; Sep2018, Vol. 156 Issue 3, p1-1, 1p

Forty-four New and Known M-dwarf Multiples in the SDSS-III/APOGEE M-dwarf Ancillary Science Sample.

Authors: Jacob Skinner, Kevin R. Covey, Chad F. Bender, Noah Rivera, Nathan De Lee, Diogo Souto, Drew Chojnowski, Nicholas Troup, Carles Badenes, Dmitry Bizyaev, Cullen H. Blake, Adam Burgasser, Caleb Cañas, Joleen Carlberg, Yilen Gómez Maqueo Chew, Rohit Deshpande, Scott W. Fleming, J. G. Fernández-Trincado, D. A. García-Hernández, Fred Hearty

Source: Astronomical Journal; Aug2018, Vol. 156 Issue 2, p1-1, 1p

Stellar and Planetary Characterization of the Ross 128 Exoplanetary System from APOGEE Spectra.

Authors: Diogo Souto, Cayman T. Unterborn, Verne V. Smith, Katia Cunha, Johanna Teske, Kevin Covey, Bárbara Rojas-Ayala, D. A. García-Hernández, Keivan Stassun, Olga Zamora, Thomas Masseron, J. A. Johnson, Steven R. Majewski, Henrik Jönsson, Steven Gilhool, Cullen Blake, Felipe Santana

Source: Astrophysical Journal Letters; 6/10/2018, Vol. 860 Issue 1, p1-1, 1p

Chemical Abundances of Main-sequence, Turnoff, Subgiant, and Red Giant Stars from APOGEE Spectra. I. Signatures of Diffusion in the Open Cluster M67.

Authors: Diogo Souto¹, Katia Cunha^1,2, Henrik Jönsson³, Steven R. Majewski⁴, Jennifer Sobeck⁴, Matthew Shetrone⁵, Guy Stringfellow⁶, Johanna Teske⁷, Ricardo Carrera⁸, Keivan Stassun⁹, Sandro Villanova¹⁰, J. G. Fernandez-Trincado^10,11, Dante Minniti¹², Felipe Santana¹³, Verne V. Smith¹⁴, C. Allende Prieto¹⁴, D. A. García-Hernández¹⁴, Olga Zamora¹⁴, Marc Pinsonneault¹⁴, J. A. Johnson¹⁴

Source: Astrophysical Journal. 4/10/2018, Vol. 857 Issue 1, p1-1. 1p.

Subject Terms: *STARS, *STAR formation, *GALACTIC nuclei, *STAR clusters, *INFRARED astronomy, *STELLAR mass

Elemental Abundances of Kepler Objects of Interest in APOGEE. I. Two Distinct Orbital Period Regimes Inferred from Host Star Iron Abundances.

Authors: Robert F. Wilson, Johanna Teske, Steven R. Majewski, Katia Cunha, Verne Smith, Diogo Souto, Chad Bender, Suvrath Mahadevan, Nicholas Troup, Carlos Allende Prieto, Keivan G. Stassun, Michael F. Skrutskie, Andrés Almeida, D. A. García-Hernández, Olga Zamora, Jonathan Brinkmann

Source: Astronomical Journal; Feb2018, Vol. 155 Issue 2, p1-1, 1p

Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns.

Authors: J. G. Fernández-Trincado, O. Zamora, D. A. García-Hernández, Diogo Souto, F. Dell’Agli, R. P. Schiavon, D. Geisler, B. Tang, S. Villanova, Sten Hasselquist, R. E. Mennickent, Katia Cunha, M. Shetrone, Carlos Allende Prieto, K. Vieira, G. Zasowski, J. Sobeck, C. R. Hayes, S. R. Majewski, V. M. Placco

Source: Astrophysical Journal Letters; 9/1/2017, Vol. 846 Issue 1, p1-1, 1p

Adding the s-Process Element Cerium to the APOGEE Survey: Identification and Characterization of Ce ii Lines in the H-band Spectral Window.

Authors: Katia Cunha, Verne V. Smith, Sten Hasselquist, Diogo Souto, Matthew D. Shetrone, Carlos Allende Prieto, Dmitry Bizyaev, Peter Frinchaboy, D. Anibal García-Hernández, Jon Holtzman, Jennifer A. Johnson, Henrik Jőnsson, Steven R. Majewski, Szabolcs Mészáros, David Nidever, Mark Pinsonneault, Ricardo P. Schiavon, Jennifer Sobeck, Michael F. Skrutskie, Olga Zamora

Source: Astrophysical Journal; 8/1/2017, Vol. 844 Issue 2, p1-1, 1p

Subject Terms: CERIUM, GALAXIES, STELLAR atmospheres, FOURIER transform spectrometers, MILKY Way

DISCOVERY OF A METAL-POOR FIELD GIANT WITH A GLOBULAR CLUSTER SECOND-GENERATION ABUNDANCE PATTERN.

Authors: J. G. Fernández-Trincado, A. C. Robin, E. Moreno, R. P. Schiavon, A. E. García Pérez, K. Vieira, K. Cunha, O. Zamora, C. Sneden, Diogo Souto, R. Carrera, J. A. Johnson, M. Shetrone, G. Zasowski, D. A. García-Hernández, S. R. Majewski, C. Reylé, S. Blanco-Cuaresma, L. A. Martinez-Medina, A. Pérez-Villegas

Source: Astrophysical Journal; 12/20/2016, Vol. 833 Issue 2, p1-1, 1p

Subject Terms: GLOBULAR clusters, GALACTIC evolution, STELLAR populations, ASTRONOMICAL spectroscopy, SUPERGIANT stars