δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642 (2022)
Journal Article
Southworth, J., Murphy, S. J., & Pavlovski, K. (2022). δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642. Monthly Notices of the Royal Astronomical Society: Letters, 520(1), L53-L57. https://doi.org/10.1093/mnrasl/slad004

We announce the discovery of pulsations in HD?23642, the only bright eclipsing system in the Pleiades, based on light curves from the Transiting Exoplanet Survey Satellite (TESS). We measure 46 pulsation frequencies and attribute them to d?Scuti puls... Read More about δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642.

The VLT-FLAMES Tarantula Survey Observational evidence for two distinct populations of massive runaway stars in 30 Doradus (2022)
Journal Article
Observational evidence for two distinct populations of massive runaway stars in 30 Doradus. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202244677

Context. The origin of massive runaway stars is an important unsolved problem in astrophysics. Two main scenarios have been proposed, namely: dynamical ejection or release from a binary at the first core collapse. However, their relative contribution... Read More about The VLT-FLAMES Tarantula Survey Observational evidence for two distinct populations of massive runaway stars in 30 Doradus.

Effect of trivalent rare earth doping in cadmium silicates hosts: a theoretical study (2022)
Journal Article
Santos, A., Bispo, G., Freire, E., Macedo, Z., Jackson, R., & Valerio, M. (2022). Effect of trivalent rare earth doping in cadmium silicates hosts: a theoretical study. Physica Scripta, https://doi.org/10.1088/1402-4896/aca228

The objective of the present work is to investigate the possibilities for extrinsic defects in the three cadmium silicate matrices, CdSiO3, Cd2SiO4 and Cd3SiO5 and understand the final geometry of the most energetically favourable defects, which are... Read More about Effect of trivalent rare earth doping in cadmium silicates hosts: a theoretical study.

Estimating the Convective Turnover Time (2022)
Journal Article
Wright. (2022). Estimating the Convective Turnover Time. Astrophysical Journal, 1-6. https://doi.org/10.3847/1538-4357/ac9cd8

The introduction of the Rossby number (R0), which incorporates the convective turnover time (t), in 1984 was a pioneering idea for understanding the correlation between stellar rotation and activity. The convective turnover time, which cannot be meas... Read More about Estimating the Convective Turnover Time.

The HD 93963 A transiting system: A 1.04d super-Earth and a 3.65 d sub-Neptune discovered by TESS and CHEOPS (2022)
Journal Article
Maxted. (2022). The HD 93963 A transiting system: A 1.04d super-Earth and a 3.65 d sub-Neptune discovered by TESS and CHEOPS. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243093

We present the discovery of two small planets transiting HD 93963A (TOI-1797), a GOV star (M* = 1.109 ± 0.043M?, R* = 1.043 ± 0.009 R?) in a visual binary system. We combined TESS and CHEOPS space-borne photometry with MuSCAT 2 ground-based photometr... Read More about The HD 93963 A transiting system: A 1.04d super-Earth and a 3.65 d sub-Neptune discovered by TESS and CHEOPS.

Fundamental effective temperature measurements for eclipsing binary stars – II. The detached F-type eclipsing binary CPD-54 810 (2022)
Journal Article
Miller, N. J., Maxted, P. F. L., Graczyk, D., Tan, T. G., & Southworth, J. (2022). Fundamental effective temperature measurements for eclipsing binary stars – II. The detached F-type eclipsing binary CPD-54 810. Monthly Notices of the Royal Astronomical Society, 517(4), 5129-5143. https://doi.org/10.1093/mnras/stac2968

CPD-54 810 is a double-lined detached eclipsing binary containing two mid-F type dwarfs on an eccentric 26-d orbit. We perform a combined analysis of the extensive photometry obtained by the TESS space mission along with previously published observat... Read More about Fundamental effective temperature measurements for eclipsing binary stars – II. The detached F-type eclipsing binary CPD-54 810.

Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption (2022)
Journal Article
Rushton, M. T., Woodward, C. E., Gehrz, R. D., Evans, A., Kaminsky, B., Pavlenko, Y. V., & Eyres, S. P. S. (2022). Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption. Monthly Notices of the Royal Astronomical Society, 517(2), 2526-2533. https://doi.org/10.1093/mnras/stac2771

We present an analysis of archival Spitzer InfraRed Spectrograph (IRS) observations of the recurrent nova RS Ophiuchi obtained on several occasions, beginning about 7 months after the outburst in 2006. These data show atomic emission lines, absorptio... Read More about Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption.

The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities (2022)
Journal Article
Keszthelyi, Z., de Koter, A., Götberg, Y., Meynet, G., Brands, S. A., Petit, V., Carrington, M., David-Uraz, A., Geen, S. T., Georgy, C., Hirschi, R., Puls, J., Ramalatswa, K. J., Shultz, M. E., & ud-Doula, A. (2022). The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities. Monthly Notices of the Royal Astronomical Society, 517(2), 2028 - 2055. https://doi.org/10.1093/mnras/stac2598

Magnetic fields can drastically change predictions of evolutionary models of massive stars via mass-loss quenching, magnetic braking, and efficient angular momentum transport, which we aim to quantify in this work. We use the MESA software instrument... Read More about The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities.

GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation (2022)
Journal Article
Hellier. (2022). GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243975

We report the detection of GJ 3090 b (TOI-177.01), a mini-Neptune on a 2.9-day orbit transiting a bright (K = 7.3 mag) M2 dwarf located at 22 pc. The planet was identified by the Transiting Exoplanet Survey Satellite and was confirmed with the High A... Read More about GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation.

The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves (2022)
Journal Article
Maxted. (2022). The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves. Monthly Notices of the Royal Astronomical Society, 519(3), 3546–3563. https://doi.org/10.1093/mnras/stac2565

Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries with a fully convective M-dwarf component for which direct measurements of these stars' masses and r... Read More about The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves.

Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed (2022)
Journal Article
Evans, A., Geballe, T. R., Woodward, C. E., Banerjee, D. P. K., Gehrz, R. D., Starrfield, S., & Shahbandeh, M. (2022). Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed. Monthly Notices of the Royal Astronomical Society, 517(4), 6077-6090. https://doi.org/10.1093/mnras/stac2363

We present infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr, obtained over the period 5.1–46.3 days after the eruption. The spectrum of the red giant became more prominent as the flux declined, and by day 46.3 dominated the... Read More about Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed.

Very massive star winds as sources of the short-lived radioactive isotope Al-26 (2022)
Journal Article
Hirschi. (2022). Very massive star winds as sources of the short-lived radioactive isotope Al-26. Astronomy & Astrophysics,

Context. The 26Al short-lived radioactive nuclide is the source of the observed galactic diffuse ?-ray emission at 1.8 MeV. While different sources of 26Al have been explored, such as asymptotic giant branch stars, massive stellar winds, and supernov... Read More about Very massive star winds as sources of the short-lived radioactive isotope Al-26.

A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS (2022)
Journal Article
Maxted. (2022). A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS. Astronomy & Astrophysics, 1 - 9. https://doi.org/10.1051/0004-6361/202244221

Context. Stellar occultation is a powerful technique that allows the determination of some physical parameters of the occulting object. The result depends on the photometric accuracy, the temporal resolution, and the number of chords obtained. Space... Read More about A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS.

The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems (2022)
Journal Article
Mancini, L., Esposito, M., Covino, E., Southworth, J., Poretti, E., Andreuzzi, G., Barbato, D., Biazzo, K., Borsato, L., Bruni, I., Damasso, M., Di Fabrizio, L., Evans, D. F., Granata, V., Lanza, A., Naponiello, L., Nascimbeni, V., Pinamonti, M., Sozzetti, A., Tregloan-Reed, J., …Piotto, G. (2022). The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems. Astronomy & Astrophysics, 664, Article A162. https://doi.org/10.1051/0004-6361/202243742

Context. The measurement of the spin-orbit alignment of hot Jupiters, including a range of orbital and physical properties, can provide information about the evolution of the orbits of this special class of giant planets.

Aims. We aim to refine th... Read More about The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems.

Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems (2022)
Journal Article
Claret, A., & Southworth, J. (2022). Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems. Astronomy & Astrophysics, 664, Article A128. https://doi.org/10.1051/0004-6361/202243827

Context. Limb darkening is an important stellar phenomenon and must be accounted for in the study of stellar spectra, eclipsing binaries, transiting planetary systems, and microlensing events. The power-2 limb-darkening law provides a good match to t... Read More about Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems.

GASKAP-HI Pilot Survey Science III: An unbiased view of cold gas in the Small Magellanic Cloud (2022)
Journal Article
Van Loon. (2022). GASKAP-HI Pilot Survey Science III: An unbiased view of cold gas in the Small Magellanic Cloud. Publications of the Astronomical Society of Australia, https://doi.org/10.1017/pasa.2022.18

<jats:title>Abstract</jats:title> <jats:p>We present the first unbiased survey of neutral hydrogen absorption in the Small Magellanic Cloud. The survey utilises pilot neutral hydrogen observations with the Australian Square Kilometre Array Pathfinder... Read More about GASKAP-HI Pilot Survey Science III: An unbiased view of cold gas in the Small Magellanic Cloud.

TOI-712: A System of Adolescent Mini-Neptunes Extending to the Habitable Zone (2022)
Journal Article
Hellier. (2022). TOI-712: A System of Adolescent Mini-Neptunes Extending to the Habitable Zone. Astronomical Journal, https://doi.org/10.3847/1538-3881/ac7954

As an all-sky survey, NASA's Transiting Exoplanet Survey Satellite (TESS) mission is able to detect the brightest and rarest types of transiting planetary systems, including young planets that enable study of the evolutionary processes that occur wit... Read More about TOI-712: A System of Adolescent Mini-Neptunes Extending to the Habitable Zone.

Stringent limits on 28SiO maser emission from the recurrent nova T Coronae Borealis (2022)
Journal Article
(2022). Stringent limits on 28SiO maser emission from the recurrent nova T Coronae Borealis. Monthly Notices of the Royal Astronomical Society, 4894-4897. https://doi.org/10.1093/mnras/stac1589

There are indications that the third known eruption of the recurrent nova T CrB is imminent, and multi-wavelength observations prior to the eruption are important to characterise the system before it erupts. T CrB is known to display the SiO fundamen... Read More about Stringent limits on 28SiO maser emission from the recurrent nova T Coronae Borealis.

A search for transit timing variations in the HATS-18 planetary system (2022)
Journal Article
Southworth, J., Barker, A. J., Hinse, T. C., Jongen, Y., Dominik, M., Jørgensen, U. G., Longa-Peña, P., Sajadian, S., Snodgrass, C., Tregloan-Reed, J., Bach-Møller, N., Bonavita, M., Bozza, V., Burgdorf, M. J., Figuera Jaimes, R., Helling, C., Hitchcock, J. A., Hundertmark, M., Khalouei, E., Korhonen, H., …Spyratos, P. (2022). A search for transit timing variations in the HATS-18 planetary system. Monthly Notices of the Royal Astronomical Society, 515(3), 3212-3223. https://doi.org/10.1093/mnras/stac1931

HATS-18 b is a transiting planet with a large mass and a short orbital period, and is one of the best candidates for the detection of orbital decay induced by tidal effects. We present extensive photometry of HATS-18 from which we measure 27 times of... Read More about A search for transit timing variations in the HATS-18 planetary system.

Low mass young stars in the Milky Way unveiled by DBSCAN and Gaia EDR3. Mapping the star forming regions within 1.5 Kpc (2022)
Journal Article
Prisinzano, L., Damiani, F., Sciortino, S., Flaccomio, E., Guarcello, M., Micela, G., Tognelli, E., Jeffries, R., & Alcalá, J. (2022). Low mass young stars in the Milky Way unveiled by DBSCAN and Gaia EDR3. Mapping the star forming regions within 1.5 Kpc. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/202243580

With an unprecedented astrometric and photometric data precision, Gaia EDR3 gives us, for the first time, the opportunity to systematically detect and map in the optical bands, the low mass populations of the star forming regions (SFRs) in the Milky... Read More about Low mass young stars in the Milky Way unveiled by DBSCAN and Gaia EDR3. Mapping the star forming regions within 1.5 Kpc.