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Cometary Activity Discovered on a Distant Centaur: A Nonaqueous Sublimation Mechanism

Colin Orion Chandler, Jay K. Kueny, Chadwick A. Trujillo, David E. Trilling and William J. Oldroyd
The Astrophysical Journal Letters 892 (2) L38 (2020)
https://doi.org/10.3847/2041-8213/ab7dc6

Star catalog position and proper motion corrections in asteroid astrometry II: The Gaia era

Siegfried Eggl, Davide Farnocchia, Alan B. Chamberlin and Steven R. Chesley
Icarus 339 113596 (2020)
https://doi.org/10.1016/j.icarus.2019.113596

Spectral and atmospheric characterisation of a new benchmark brown dwarf HD 13724 B

E. L. Rickman, D. Ségransan, J. Hagelberg, et al.
Astronomy & Astrophysics 635 A203 (2020)
https://doi.org/10.1051/0004-6361/202037524

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects

Massimo Robberto, Mario Gennaro, Maria Giulia Ubeira Gabellini, Lynne A. Hillenbrand, Camilla Pacifici, Leonardo Ubeda, Morten Andersen, Travis Barman, Andrea Bellini, Nicola Da Rio, Selma E. de Mink, Giuseppe Lodato, Carlo Felice Manara, Imants Platais, Laurent Pueyo, Giovanni Maria Strampelli, Jonathan C. Tan and L. Testi
The Astrophysical Journal 896 (1) 79 (2020)
https://doi.org/10.3847/1538-4357/ab911e

MASTER Optical Observation of LIGO/VIRGO S200224ca Error-box

V. Lipunov, V. Kornilov, D. Vlasenko, N. Tiurina, E. Gorbovskoy, I. Gorbunov, P. Balanutsa, F. Balakin, A. Chasovnikov, A. Gabovich, O. A. Gress, D. Cheryasov, D. A. H. Buckley, R. Podesta, R. Rebolo, M. Serra, V. Topolev, K. Zhirkov, A. Pozdnyakov, A. Kuznetsov, V. Vladimirov, V. Senik, F. Podesta, C. Francile, N. M. Budnev, et al.
Research Notes of the AAS 4 (12) 225 (2020)
https://doi.org/10.3847/2515-5172/abcf4c

Ca II H&K stellar activity parameter: a proxy for extreme ultraviolet stellar fluxes

A. G. Sreejith, L. Fossati, A. Youngblood, K. France and S. Ambily
Astronomy & Astrophysics 644 A67 (2020)
https://doi.org/10.1051/0004-6361/202039167

Mon-735: a new low-mass pre-main-sequence eclipsing binary in NGC 2264

Edward Gillen, Lynne A Hillenbrand, John Stauffer, et al.
Monthly Notices of the Royal Astronomical Society 495 (2) 1531 (2020)
https://doi.org/10.1093/mnras/staa1016

Discovery of Two Quasars at z = 5 from the OGLE Survey

Szymon Kozłowski, Eduardo Bañados, A. Udalski, N. Morrell, A. P. Ji, Ł. Wyrzykowski, A. Rau, P. Mróz, J. Greiner, M. Gromadzki, M. K. Szymański, I. Soszyński, R. Poleski, P. Pietrukowicz, J. Skowron, D. M. Skowron, K. Ulaczyk, K. Rybicki, P. Iwanek and M. Wrona
The Astrophysical Journal 878 (2) 115 (2019)
https://doi.org/10.3847/1538-4357/ab20d1

Stellar and substellar companions of nearby stars from Gaia DR2

Pierre Kervella, Frédéric Arenou, François Mignard and Frédéric Thévenin
Astronomy & Astrophysics 623 A72 (2019)
https://doi.org/10.1051/0004-6361/201834371