Predicting Cloud Conditions in Substellar Mass Objects Using Ultracool Dwarf Companions by Emily Calamari, Jacqueline K. Faherty, Channon Visscher, Marina E. Gemma, Ben Burningham, Austin Rothermich

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The Comprehensive Archive of Substellar and Planetary Accretion Rates by S. K. Betti, K. B. Follette, K. Ward-Duong, A. E. Peck, Y. Aoyama, J. Bary, B. Dacus, S. Edwards, G.-D. Marleau, K. Mohamed, J. Palmo, C. Plunkett, C. Robinson, H. Wang

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Mind the Gap. I. Hα Activity of M Dwarfs Near the Partially/Fully Convective Boundary and a New Hα Emission Deficiency Zone on the Main Sequence by Wei-Chun Jao, Todd J. Henry, Russel J. White, Azmain H. Nisak, Hodari-Sadiki Hubbard-James, Leonardo A. Paredes, Vanders B. Lewis Jr.

“…We also identify a new region at 10.3 < M _G < 10.8 on the main sequence where fewer M dwarfs exhibit H α emission compared to M dwarfs above and below this magnitude range. …”
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Entropy Production of Stars by Leonid M. Martyushev, Sergey N. Zubarev

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Tests of Disk-locking in T Tauri Stars of the Orion Nebula Cluster by Margaret A. Mueller, Christopher M. Johns-Krull, Keivan G. Stassun, Don M. Dixon

Subjects: “…Pre-main sequence stars…”
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The FUor Star V2493 Cyg (HBC 722)—Eleven Years at Maximum Brightness by Evgeni Semkov, Sunay Ibryamov, Stoyanka Peneva

Subjects: “…stars: pre-main sequence…”
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Disk Dissipation, Giant Planet Formation, and Star Formation Rate Fluctuations in the 3 Myr History of Gould’s Belt by Mingchao Liu, Jinhua He, Jixing Ge, Tie Liu, Yuping Tang, Xuzhi Li

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Properties of 249 δ Scuti Variable Star Candidates Observed During the NASA K2 Mission by Joyce Ann Guzik, Jorge A. Garcia, Jason Jackiewicz

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On the Mass Accretion Rates of Herbig Ae/Be Stars. Magnetospheric Accretion or Boundary Layer? by Ignacio Mendigutía

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The Power of Asteroseismology for Early Stellar Evolution by Konstanze Zwintz

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The High-energy Spectrum of the Young Planet Host V1298 Tau by Girish M. Duvvuri, P. Wilson Cauley, Fernando Cruz Aguirre, Roy Kilgard, Kevin France, Zachory K. Berta-Thompson, J. Sebastian Pineda

Subjects: “…Pre-main sequence stars…”
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[N i] 10400/10410 Å Lines as Possible Disk Wind Tracers in a Young Intermediate-mass Star by Haruki Katoh, Chikako Yasui, Yuji Ikeda, Naoto Kobayashi, Noriyuki Matsunaga, Sohei Kondo, Hiroaki Sameshima, Satoshi Hamano, Misaki Mizumoto, Hideyo Kawakita, Kei Fukue, Shogo Otsubo, Keiichi Takenaka

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Correlating Changes in Spot Filling Factors with Stellar Rotation: The Case of LkCa 4 by Facundo Pérez Paolino, Jeffrey S. Bary, Michael S. Petersen, Kimberly Ward-Duong, Benjamin M. Tofflemire, Katherine B. Follette, Heidi Mach

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MAPS: Constraining Serendipitous Time Variability in Protoplanetary Disk Molecular Ion Emission by Abygail R. Waggoner, L. Ilsedore Cleeves, Ryan A. Loomis, Yuri Aikawa, Jaehan Bae, Jennifer B. Bergner, Alice S. Booth, Jenny K. Calahan, Gianni Cataldi, Charles J. Law, Romane Le Gal, Feng Long, Karin I. Öberg, Richard Teague, David J. Wilner

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X-Ray Spectral Characterization of the Young Cygnus OB2 Population by E. Flaccomio, J. F. Albacete-Colombo, J. J. Drake, M. G. Guarcello, V. Kashyap, N. J. Wright, K. Briggs, B. Ercolano, M. McCollough, S. Sciortino

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Chemical Modeling of Orion Nebula Cluster Disks: Evidence for Massive, Compact Gas Disks with Interstellar Gas-to-dust Ratios by Ryan D. Boyden, Josh A. Eisner

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A Catalog of Young Stellar Objects from the LAMOST and ZTF Surveys by Jingyi Zhang, Yanxia Zhang, Zihan Kang, Changhua Li, Yongheng Zhao

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Extreme Quasars as Distance Indicators in Cosmology by Deborah Dultzin, Paola Marziani, J. A. de Diego, C. A. Negrete, Ascensión Del Olmo, Mary L. Martínez-Aldama, Mary L. Martínez-Aldama, Mauro D'Onofrio, Edi Bon, Natasa Bon, Giovanna M. Stirpe

Subjects: “…quasar main sequence…”
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Three-dimensional Simulations of Magnetospheric Accretion in a T Tauri Star: Accretion and Wind Structures Just Around the Star by Shinsuke Takasao, Kengo Tomida, Kazunari Iwasaki, Takeru K. Suzuki

Subjects: “…Pre-main sequence stars…”
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Dust Around T Tauri Stars by Kyung-Won Suh, Young-Joo Kwon

Subjects: “…stars: pre-main sequences…”
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