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https://doi.org/10.1007/s10509-019-3659-0

Post-conjunction detection of β Pictoris b with VLT/SPHERE

A.-M. Lagrange, A. Boccaletti, M. Langlois, G. Chauvin, R. Gratton, H. Beust, S. Desidera, J. Milli, M. Bonnefoy, A. Cheetham, M. Feldt, M. Meyer, A. Vigan, B. Biller, M. Bonavita, J.-L. Baudino, F. Cantalloube, M. Cudel, S. Daemgen, P. Delorme, V. D’Orazi, J. Girard, C. Fontanive, J. Hagelberg, M. Janson, et al.
Astronomy & Astrophysics 621 L8 (2019)
https://doi.org/10.1051/0004-6361/201834302

Asteroseismic modelling of the subgiant μ Herculis using SONG data: lifting the degeneracy between age and model input parameters

Tanda Li, Timothy R Bedding, Hans Kjeldsen, Dennis Stello, Jørgen Christensen-Dalsgaard and Licai Deng
Monthly Notices of the Royal Astronomical Society 483 (1) 780 (2019)
https://doi.org/10.1093/mnras/sty3000

A low-mass triple system with a wide L/T transition brown dwarf component: NLTT 51469AB/SDSS 2131−0119

B Gauza, V J S Béjar, A Pérez-Garrido, N Lodieu, R Rebolo, M R Zapatero Osorio, B Pantoja, S Velasco and J S Jenkins
Monthly Notices of the Royal Astronomical Society 487 (1) 1149 (2019)
https://doi.org/10.1093/mnras/stz1284

The HD 181433 Planetary System: Dynamics and a New Orbital Solution

Jonathan Horner, Robert A Wittenmyer, Duncan J Wright, Tobias C Hinse, Jonathan P Marshall, Stephen R Kane, Jake T Clark, Matthew Mengel, Matthew T Agnew and Daniel Johns
The Astronomical Journal 158 (3) 100 (2019)
https://doi.org/10.3847/1538-3881/ab2e78

Exomoons in the Habitable Zones of M Dwarfs

Héctor Martínez-Rodríguez, José Antonio Caballero, Carlos Cifuentes, Anthony L. Piro and Rory Barnes
The Astrophysical Journal 887 (2) 261 (2019)
https://doi.org/10.3847/1538-4357/ab5640

Visual Orbits of Spectroscopic Binaries with the CHARA Array. I. HD 224355

Kathryn V. Lester, Douglas R. Gies, Gail H. Schaefer, Christopher D. Farrington, John D. Monnier, Theo ten Brummelaar, Judit Sturmann and Norman Vargas
The Astronomical Journal 157 (4) 140 (2019)
https://doi.org/10.3847/1538-3881/ab064d

Surveying the Bright Stars by Optical Interferometry. II. A Volume-limited Multiplicity Survey of Main-sequence F Stars

D. J. Hutter, C. Tycner, R. T. Zavala, J. A. Benson, C. A. Hummel and J. Sanborn
The Astrophysical Journal Supplement Series 243 (2) 32 (2019)
https://doi.org/10.3847/1538-4365/ab32e1

The rotationally modulated polarization of ξ Boo A

Daniel V Cotton, Dag Evensberget, Stephen C Marsden, Jeremy Bailey, Jinglin Zhao, Lucyna Kedziora-Chudczer, Bradley D Carter, Kimberly Bott, Aline A Vidotto, Pascal Petit, Julien Morin and Sandra V Jeffers
Monthly Notices of the Royal Astronomical Society 483 (2) 1574 (2019)
https://doi.org/10.1093/mnras/sty3180

CCD UBV photometric and Gaia astrometric study of eight open clusters—ASCC 115, Collinder 421, NGC 6793, NGC 7031, NGC 7039, NGC 7086, Roslund 1 and Stock 21

T. Yontan, S. Bilir, Z. F. Bostancı, T. Ak, S. Ak, T. Güver, E. Paunzen, H. Ürgüp, M. Çelebi, B. A. Akti and S. Gökmen
Astrophysics and Space Science 364 (9) (2019)
https://doi.org/10.1007/s10509-019-3640-y

Elemental abundances of RGB and red clump stars in theKeplerfield

Y J Liu, L Wang, Y Takeda, Y Bharat Kumar and G Zhao
Monthly Notices of the Royal Astronomical Society 482 (3) 4155 (2019)
https://doi.org/10.1093/mnras/sty2883

Polarized reflected light from the Spica binary system

Jeremy Bailey, Daniel V. Cotton, Lucyna Kedziora-Chudczer, Ain De Horta and Darren Maybour
Nature Astronomy 3 (7) 636 (2019)
https://doi.org/10.1038/s41550-019-0738-7

TESS Asteroseismology of the Known Red-giant Host Stars HD 212771 and HD 203949

Tiago L. Campante, Enrico Corsaro, Mikkel N. Lund, Benoît Mosser, Aldo Serenelli, Dimitri Veras, Vardan Adibekyan, H. M. Antia, Warrick Ball, Sarbani Basu, Timothy R. Bedding, Diego Bossini, Guy R. Davies, Elisa Delgado Mena, Rafael A. García, Rasmus Handberg, Marc Hon, Stephen R. Kane, Steven D. Kawaler, James S. Kuszlewicz, Miles Lucas, Savita Mathur, Nicolas Nardetto, Martin B. Nielsen, Marc H. Pinsonneault, et al.
The Astrophysical Journal 885 (1) 31 (2019)
https://doi.org/10.3847/1538-4357/ab44a8

From Scattered-light to Millimeter Emission: A Comprehensive View of the Gigayear-old System of HD 202628 and its Eccentric Debris Ring

Virginie Faramaz, John Krist, Karl R. Stapelfeldt, Geoffrey Bryden, Eric E. Mamajek, Luca Matrà, Mark Booth, Kevin Flaherty, Antonio S. Hales, A. Meredith Hughes, Amelia Bayo, Simon Casassus, Jorge Cuadra, Johan Olofsson, Kate Y. L. Su and David J. Wilner
The Astronomical Journal 158 (4) 162 (2019)
https://doi.org/10.3847/1538-3881/ab3ec1

StarNAV: Autonomous Optical Navigation of a Spacecraft by the Relativistic Perturbation of Starlight

John Christian
Sensors 19 (19) 4064 (2019)
https://doi.org/10.3390/s19194064

Detection of a Low-mass Stellar Companion to the Accelerating A2IV Star HR 1645

Robert J. De Rosa, Eric L. Nielsen, Julien Rameau, Gaspard Duchêne, Alexandra Z. Greenbaum, Jason J. Wang, S. Mark Ammons, Vanessa P. Bailey, Travis Barman, Joanna Bulger, Jeffrey Chilcote, Tara Cotten, Rene Doyon, Thomas M. Esposito, Michael P. Fitzgerald, Katherine B. Follette, Benjamin L. Gerard, Stephen J. Goodsell, James R. Graham, Pascale Hibon, Justin Hom, Li-Wei Hung, Patrick Ingraham, Paul Kalas, Quinn Konopacky, et al.
The Astronomical Journal 158 (6) 226 (2019)
https://doi.org/10.3847/1538-3881/ab4ef7

Ultra metal-poor stars: improved atmospheric parameters and NLTE abundances of magnesium and calcium

T M Sitnova, L I Mashonkina, R Ezzeddine and A Frebel
Monthly Notices of the Royal Astronomical Society 485 (3) 3527 (2019)
https://doi.org/10.1093/mnras/stz626

The nearby evolved stars survey – I. JCMT/SCUBA-2 submillimetre detection of the detached shell of U Antliae

Thavisha E Dharmawardena, Francisca Kemper, Sundar Srinivasan, Peter Scicluna, Jonathan P Marshall, Jan G A Wouterloot, Jane Greaves, Steven R Goldman, Jacco Th van Loon, Mikako Matsuura, Iain McDonald, Jinhua He, Albert A Zijlstra, Jesús A Toalá, Sofia H J Wallström, Hyosun Kim, Alfonso Trejo, Paolo Ventura, Eric Lagadec, Martha L Boyer, Tie Liu, Gioia Rau, Hideyuki Izumiura, Jan Cami, Wayne Holland, et al.
Monthly Notices of the Royal Astronomical Society 489 (3) 3218 (2019)
https://doi.org/10.1093/mnras/stz2334

A circumbinary protoplanetary disk in a polar configuration

Grant M. Kennedy, Luca Matrà, Stefano Facchini, Julien Milli, Olja Panić, Daniel Price, David J. Wilner, Mark C. Wyatt and Ben M. Yelverton
Nature Astronomy 3 (3) 230 (2019)
https://doi.org/10.1038/s41550-018-0667-x

Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951

S. G. Masda, J. A. Docobo, A. M. Hussein, M. K. Mardini, H. A. Al-Ameryeen, P. P. Campo, A. R. Khan and J. M. Pathan
Astrophysical Bulletin 74 (4) 464 (2019)
https://doi.org/10.1134/S1990341319040126

The subgiant HR 7322 as an asteroseismic benchmark star

Amalie Stokholm, Poul Erik Nissen, Víctor Silva Aguirre, Timothy R White, Mikkel N Lund, Jakob Rørsted Mosumgaard, Daniel Huber and Jens Jessen-Hansen
Monthly Notices of the Royal Astronomical Society 489 (1) 928 (2019)
https://doi.org/10.1093/mnras/stz2222

Standard Galactic field RR Lyrae II: a Gaia DR2 calibration of the period–Wesenheit–metallicity relation

Jillian R Neeley, Massimo Marengo, Wendy L Freedman, Barry F Madore, Rachael L Beaton, Dylan Hatt, Taylor Hoyt, Andrew J Monson, Jeffrey A Rich, Ata Sarajedini, Mark Seibert and Victoria Scowcroft
Monthly Notices of the Royal Astronomical Society 490 (3) 4254 (2019)
https://doi.org/10.1093/mnras/stz2814

Interstellar polarization and extinction in the Local Bubble and the Gould Belt

George A Gontcharov and Aleksandr V Mosenkov
Monthly Notices of the Royal Astronomical Society 483 (1) 299 (2019)
https://doi.org/10.1093/mnras/sty2978

Circumstellar envelopes of semi-regular long-period variables: mass-loss rate estimates and general model fitting of the molecular gas

J. J. Díaz-Luis, J. Alcolea, V. Bujarrabal, M. Santander-García, A. Castro-Carrizo, M. Gómez-Garrido and J.-F. Desmurs
Astronomy & Astrophysics 629 A94 (2019)
https://doi.org/10.1051/0004-6361/201936087

Annual parallax and galactic orbit of Y Librae (IRAS 15090−0549) Mira variable star—GALORB release

James O Chibueze, Toshihiro Omodaka, Riku Urago, Takumi Nagayama, Jibrin A Alhassan, Yoshiro Nishida, Ogochukwu U Aralu, Ruby van Rooyen, Akiharu Nakagawa, Mareki Honma and Yuji Ueno
Publications of the Astronomical Society of Japan 71 (5) (2019)
https://doi.org/10.1093/pasj/psz075

A new method for target selection in direct imaging programmes with COPAINS

C Fontanive, K Mužić, M Bonavita and B Biller
Monthly Notices of the Royal Astronomical Society 490 (1) 1120 (2019)
https://doi.org/10.1093/mnras/stz2587

V348 And and V572 Per: Bright Triple Systems with Eccentric Eclipsing Binaries*

P. Zasche, R. Uhlař, P. Svoboda, J. Juryšek, D. Korčáková, M. Wolf, M. Šlechta and L. Kotková
The Astronomical Journal 158 (2) 95 (2019)
https://doi.org/10.3847/1538-3881/ab2d22

Prevalence of SED Turndown among Classical Be Stars: Are All Be Stars Close Binaries?

Robert Klement, A. C. Carciofi, T. Rivinius, R. Ignace, L. D. Matthews, K. Torstensson, D. Gies, R. G. Vieira, N. D. Richardson, A. Domiciano de Souza, J. E. Bjorkman, G. Hallinan, D. M. Faes, B. Mota, A. D. Gullingsrud, C. de Breuck, P. Kervella, M. Curé and D. Gunawan
The Astrophysical Journal 885 (2) 147 (2019)
https://doi.org/10.3847/1538-4357/ab48e7