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The ultra-hot-Jupiter KELT-16 b: Dynamical Evolution and Atmospheric Properties (2021)
Journal Article
Mancini, L., Southworth, J., Naponiello, L., Baştürk, Ö., Barbato, D., Biagiotti, F., Bruni, I., Cabona, L., D’Ago, G., Damasso, M., Erdem, A., Evans, D., Henning, T., Öztürk, O., Ricci, D., Sozzetti, A., Tregloan-Reed, J., & Yalçınkaya, S. (2022). The ultra-hot-Jupiter KELT-16 b: Dynamical Evolution and Atmospheric Properties. Monthly Notices of the Royal Astronomical Society, 509(1), https://doi.org/10.1093/mnras/stab2691

<jats:title>Abstract</jats:title> <jats:p>We present broad-band photometry of 30 planetary transits of the ultra-hot Jupiter KELT-16 b, using five medium-class telescopes. The transits were monitored through standard B,?V,?R,?I filters and four were... Read More about The ultra-hot-Jupiter KELT-16 b: Dynamical Evolution and Atmospheric Properties.

Multidimensional low-Mach number time-implicit hydrodynamic simulations of convective helium shell burning in a massive star (2021)
Journal Article
Hirschi. (2021). Multidimensional low-Mach number time-implicit hydrodynamic simulations of convective helium shell burning in a massive star. Astronomy & Astrophysics, 1-24. https://doi.org/10.1051/0004-6361/202140825

Context. A realistic parametrization of convection and convective boundary mixing in conventional stellar evolution codes is still the subject of ongoing research. To improve the current situation, multidimensional hydrodynamic simulations are used t... Read More about Multidimensional low-Mach number time-implicit hydrodynamic simulations of convective helium shell burning in a massive star.

Radio continuum sources behind the Large Magellanic Cloud (2021)
Journal Article
Van Loon. (2021). Radio continuum sources behind the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 2885 - 2904. https://doi.org/10.1093/mnras/stab2249

We present a comprehensive multifrequency catalogue of radio sources behind the Large Magellanic Cloud (LMC) between 0.2 and 20 GHz, gathered from a combination of new and legacy radio continuum surveys. This catalogue covers an area of ~144 deg2 at... Read More about Radio continuum sources behind the Large Magellanic Cloud.

The EBLM project - VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves (2021)
Journal Article
Hellier, & Maxted. (2021). The EBLM project - VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves. Monthly Notices of the Royal Astronomical Society, 306 - 322. https://doi.org/10.1093/mnras/stab1687

The accuracy of theoretical mass, radius, and effective temperature values for M-dwarf stars is an active topic of debate. Differences between observed and theoretical values have raised the possibility that current theoretical stellar structure and... Read More about The EBLM project - VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves.

Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets (2021)
Journal Article
Maxted. (2021). Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets. Monthly Notices of the Royal Astronomical Society, 3810 - 3830. https://doi.org/10.1093/mnras/stab1782

We present 17 transit light curves of seven known warm-Jupiters observed with the CHaracterising ExOPlanet Satellite (CHEOPS). The light curves have been collected as part of the CHEOPS Guaranteed Time Observation (GTO) program that searches for tran... Read More about Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets.

TESS Cycle 1 observations of roAp stars with 2-min cadence data (2021)
Journal Article
Smalley, L. Holdsworth, D., S. Cunha, M., W. Kurtz, D., Antoci, V., R. Hey, D., M. Bowman, D., Kobzar, O., L. Buzasi, D., Kochukhov, O., Niemczura, E., Ozuyar, D., Shi, F., Szabó, R., Samadi-Ghadim, A., Bognár, Z., Fox-Machado, L., Khalack, V., Lares-Martiz, M., C. Lovekin, C., …Vanderspek, R. (2021). TESS Cycle 1 observations of roAp stars with 2-min cadence data. Monthly Notices of the Royal Astronomical Society, 506(1), 1073-1110. https://doi.org/10.1093/mnras/stab1578

We present the results of a systematic search for new rapidly oscillating Ap (roAp) stars using the 2-min cadence data collected by the Transiting Exoplanet Survey Satellite (TESS) during its Cycle 1 observations. We identify 12 new roAp stars. Among... Read More about TESS Cycle 1 observations of roAp stars with 2-min cadence data.

The VMC survey – XLIV: Mapping metallicity trends in the large magellanic cloud using near-infrared passbands (2021)
Journal Article
Choudhury, S., de Grijs, R., Bekki, K., Cioni, M.-R. L., Ivanov, V. D., Van Loon, J. T., Miller, A. E., Niederhofer, F., Oliveira, J. M., Ripepi, V., Sun, N.-C., & Subramanian, S. (2021). The VMC survey – XLIV: Mapping metallicity trends in the large magellanic cloud using near-infrared passbands. Monthly Notices of the Royal Astronomical Society, 507(4), 4752-4763. https://doi.org/10.1093/mnras/stab2446

We have derived high-spatial-resolution metallicity maps covering ~105 deg2 across the Large Magellanic Cloud (LMC) using near-infrared passbands from the VISTA Survey of the Magellanic Clouds. We attempt to understand the metallicity distribution an... Read More about The VMC survey – XLIV: Mapping metallicity trends in the large magellanic cloud using near-infrared passbands.

Grids of stellar models with rotation VI. Models from 0.8 to 120 M-circle dot at a metallicity Z=0.006 (2021)
Journal Article
Hirschi. (2021). Grids of stellar models with rotation VI. Models from 0.8 to 120 M-circle dot at a metallicity Z=0.006. Astronomy & Astrophysics,

Context. Grids of stellar models, computed with the same physical ingredients, allow one to study the impact of a given physics on a broad range of initial conditions and they are a key ingredient for modeling the evolution of galaxies.

Aims. We p... Read More about Grids of stellar models with rotation VI. Models from 0.8 to 120 M-circle dot at a metallicity Z=0.006.

The VMC survey - XLIII. The spatially resolved star formation history across the Large Magellanic Cloud (2021)
Journal Article
Mazzi, A., Girardi, L., Zaggia, S., Pastorelli, G., Rubele, S., Bressan, A., Cioni, M.-R. L., Clementini, G., Cusano, F., Pedro Rocha, J., Gullieuszik, M., Kerber, L., Marigo, P., Ripepi, V., Bekki, K., Bell, C. P. M., de Grijs, R., Groenewegen, M. A. T., Ivanov, V. D., Oliveira, J. M., …Van Loon, J. T. (2021). The VMC survey - XLIII. The spatially resolved star formation history across the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 508(1), 245 - 266

We derive the spatially resolved star formation history (SFH) for a 96 deg2 area across the main body of the Large Magellanic Cloud (LMC), using the near-infrared photometry from the VISTA survey of the Magellanic Clouds (VMC). The data and analyses... Read More about The VMC survey - XLIII. The spatially resolved star formation history across the Large Magellanic Cloud.

Massive young stellar objects in the Local Group irregular galaxy NGC6822 identified using machine learning (2021)
Journal Article
Kinson, D. A., Oliveira, J., & Van Loon, J. (2021). Massive young stellar objects in the Local Group irregular galaxy NGC6822 identified using machine learning. Monthly Notices of the Royal Astronomical Society, 507(4), 5106 - 5131. https://doi.org/10.1093/mnras/stab2386

We present a supervised machine learning methodology to classify stellar populations in the Local Group dwarf-irregular galaxy NGC?6822. Near-IR colours (J - H, H - K, and J - K), K-band magnitudes and far-IR surface brightness (at 70 and 160?µm) mea... Read More about Massive young stellar objects in the Local Group irregular galaxy NGC6822 identified using machine learning.

TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet (2021)
Journal Article
Osborn, A., Armstrong, D. J., Cale, B., Brahm, R., Wittenmyer, R. A., Dai, F., Crossfield, I. J. M., Bryant, E. M., Adibekyan, V., Cloutier, R., Collins, K. A., Mena, E. D., Fridlund, M., Hellier, C., Howell, S. B., King, G. W., Lillo-Box, J., Otegi, J., Sousa, S., Stassun, K. G., …Zohrabi, F. (2021). TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet. Monthly Notices of the Royal Astronomical Society, 507(2), 2782 - 2803. https://doi.org/10.1093/mnras/stab2313

We present the bright (Vmag = 9.12), multiplanet system TOI-431, characterized with photometry and radial velocities (RVs). We estimate the stellar rotation period to be 30.5 ± 0.7 d using archival photometry and RVs. Transiting Exoplanet Survey Sate... Read More about TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet.

Ground-based Transmission Spectroscopy with VLT FORS2: Evidence for Faculae and Clouds in the Optical Spectrum of the Warm Saturn WASP-110b (2021)
Journal Article
Smalley. (2021). Ground-based Transmission Spectroscopy with VLT FORS2: Evidence for Faculae and Clouds in the Optical Spectrum of the Warm Saturn WASP-110b. Astronomical Journal, https://doi.org/10.3847/1538-3881/ac01da

We present a ground-based optical transmission spectrum for the warm Saturn-mass exoplanet WASP-110b from two transit observations made with the FOcal Reducer and Spectrograph on the Very Large Telescope. The spectrum covers the wavelength range from... Read More about Ground-based Transmission Spectroscopy with VLT FORS2: Evidence for Faculae and Clouds in the Optical Spectrum of the Warm Saturn WASP-110b.

Optical spectroscopy study of Eu-doped ions in BaAl2O4 phosphors (2021)
Journal Article
Rezende, M. D. S., Valerio, M., Araujo, R., Jackson, R., dos Santos Mattos, E., & dos Santos Junior, B. (2021). Optical spectroscopy study of Eu-doped ions in BaAl2O4 phosphors. Journal of Luminescence, 1-5. https://doi.org/10.1016/j.jlumin.2021.118011

Computational and experimental methodology is employed to study optical properties in Eu-doped BaAl2O4 phosphors. The symmetry and detailed geometry of the Eu-dopant site, predicted by atomistic simulation, are used to calculate the crystal field par... Read More about Optical spectroscopy study of Eu-doped ions in BaAl2O4 phosphors.

TIC 454140642: A Compact, Coplanar, Quadruple-lined Quadruple Star System Consisting of Two Eclipsing Binaries (2021)
Journal Article
Hellier. (2021). TIC 454140642: A Compact, Coplanar, Quadruple-lined Quadruple Star System Consisting of Two Eclipsing Binaries. Astrophysical Journal, 93 - 93. https://doi.org/10.3847/1538-4357/ac04ad

We report the discovery of a compact, coplanar, quadruple-lined, eclipsing quadruple star system from Transiting Exoplanet Survey Satellite data, TIC 454140642, also known as TYC 0074-01254-1. The target was first detected in Sector 5 with a 30-minut... Read More about TIC 454140642: A Compact, Coplanar, Quadruple-lined Quadruple Star System Consisting of Two Eclipsing Binaries.

OGLE-2018-BLG-1185b: A Low-mass Microlensing Planet Orbiting a Low-mass Dwarf (2021)
Journal Article
Kondo, I., Yee, J. C., Bennett, D. P., Sumi, T., Koshimoto, N., Bond, I. A., Gould, A., Udalski, A., Shvartzvald, Y., Kil Jung, Y., Zang, W., Bozza, V., Bachelet, E., Hundertmark, M. P., Rattenbury, N. J., Abe, F., Barry, R., Bhattacharya, A., Donachie, M., Fukui, A., …Saha, A. (2021). OGLE-2018-BLG-1185b: A Low-mass Microlensing Planet Orbiting a Low-mass Dwarf. Astronomical Journal, 162(2), Article 77. https://doi.org/10.3847/1538-3881/ac00ba

We report an analysis of the planetary microlensing event OGLE-2018-BLG-1185, which was observed by a large number of ground-based telescopes and by the Spitzer Space Telescope. The ground-based light curve indicates a low planet–host star mass ratio... Read More about OGLE-2018-BLG-1185b: A Low-mass Microlensing Planet Orbiting a Low-mass Dwarf.

The Gaia-ESO survey: Mixing processes in low-mass stars traced by lithium abundance in cluster and field stars (2021)
Journal Article
Jeffries. (2021). The Gaia-ESO survey: Mixing processes in low-mass stars traced by lithium abundance in cluster and field stars. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202140935

We aim to constrain the mixing processes in low-mass stars by investigating the behaviour of the Li surface abundance after the main sequence. We take advantage of the data from the sixth internal data release of Gaia-ESO, idr6, and from the Gaia Ear... Read More about The Gaia-ESO survey: Mixing processes in low-mass stars traced by lithium abundance in cluster and field stars.

Transmission spectroscopy with VLT FORS2: a featureless spectrum for the low-density transiting exoplanet WASP-88b (2021)
Journal Article
Spyratos, P., Nikolov, N., Southworth, J., Constantinou, S., Madhusudhan, N., Carter, A. L., de Mooij, E. J. W., Fortney, J. J., Gibson, N. P., Goyal, J. M., Helling, C., Mayne, N. J., & Mikal-Evans, T. (2021). Transmission spectroscopy with VLT FORS2: a featureless spectrum for the low-density transiting exoplanet WASP-88b. Monthly Notices of the Royal Astronomical Society, 506(2), 2853-2870. https://doi.org/10.1093/mnras/stab1847

We present ground-based optical transmission spectroscopy of the low-density hot Jupiter WASP-88b covering the wavelength range 4413 - 8333 Å with the FORS2 spectrograph on the Very Large Telescope. The FORS2 white light curves exhibit a significant... Read More about Transmission spectroscopy with VLT FORS2: a featureless spectrum for the low-density transiting exoplanet WASP-88b.

The ASKAP-EMU Early Science Project: 888 MHz radio continuum survey of the Large Magellanic Cloud (2021)
Journal Article
Pennock, C. M., Van Loon, J. T., Filipović, M. D., Andernach, H., Haberl, F., Kothes, R., Lenc, E., Rudnick, L., White, S. V., Agliozzo, C., Antón, S., Bojičić, I., Bomans, D. J., Collier, J. D., Crawford, E. J., Hopkins, A. M., Jeganathan, K., Kavanagh, P. J., Koribalski, B. S., Leahy, D., …Vardoulaki, E. (2021). The ASKAP-EMU Early Science Project: 888 MHz radio continuum survey of the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 506(3), 3540 - 3559. https://doi.org/10.1093/mnras/stab1858

We present an analysis of a new 120 deg2 radio continuum image of the Large Magellanic Cloud (LMC) at 888 MHz with a bandwidth of 288 MHz and beam size of 13${_{.}^{\prime\prime}}$9 × 12${_{.}^{\prime\prime}}$1 from the Australian Square Kilometre Ar... Read More about The ASKAP-EMU Early Science Project: 888 MHz radio continuum survey of the Large Magellanic Cloud.

A search for transiting planets around hot subdwarfs (2021)
Journal Article
Maxted. (2021). A search for transiting planets around hot subdwarfs. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202140381

Context. Hot subdwarfs experienced strong mass loss on the red giant branch (RGB) and are now hot and small He-burning objects. These stars constitute excellent opportunities for addressing the question of the evolution of exoplanetary systems direct... Read More about A search for transiting planets around hot subdwarfs.