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The VMC survey - XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds (2022)
Journal Article
Pennock, C. M., Th van Loon, J., Anih, J. O., Maitra, C., Haberl, F., Sansom, A. E., …Vardoulaki, E. (2022). The VMC survey - XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds. Monthly Notices of the Royal Astronomical Society, 515(4), 6046-6065. https://doi.org/10.1093/mnras/stac2096

Following the discovery of SAGE0536AGN (z ∼ 0.14), with the strongest 10-μm silicate emission ever observed for an active galactic nucleus (AGN), we discovered SAGE0534AGN (z ∼ 1.01), a similar AGN but with less extreme silicate emission. Both were o... Read More about The VMC survey - XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds.

Four bright eclipsing binaries with γ Doradus pulsating components: CM Lac, MZ Lac, RX Dra, and V2077 Cyg (2022)
Journal Article
Southworth, J., & Van Reeth, T. (2022). Four bright eclipsing binaries with γ Doradus pulsating components: CM Lac, MZ Lac, RX Dra, and V2077 Cyg. Monthly Notices of the Royal Astronomical Society, 515(2), 2755-2765. https://doi.org/10.1093/mnras/stac1993

The study of pulsating stars in eclipsing binaries holds the promise of combining two different ways of measuring the physical properties of a star to obtain improved constraints on stellar theory. Gravity (g) mode pulsations such as those found in γ... Read More about Four bright eclipsing binaries with γ Doradus pulsating components: CM Lac, MZ Lac, RX Dra, and V2077 Cyg.

Precision measurement of a brown dwarf mass in a binary system in the microlensing event OGLE-2019-BLG-0033/MOA-2019-BLG-035 (2022)
Journal Article
Herald, A., Udalski, A., Bozza, V., Rota, P., Bond, I., Yee, J., …Pogge, R. (2022). Precision measurement of a brown dwarf mass in a binary system in the microlensing event OGLE-2019-BLG-0033/MOA-2019-BLG-035. Astronomy & Astrophysics, 663, Article A100. https://doi.org/10.1051/0004-6361/202243490

Context. Brown dwarfs are transition objects between stars and planets that are still poorly understood, for which several competing mechanisms have been proposed to describe their formation. Mass measurements are generally difficult to carry out for... Read More about Precision measurement of a brown dwarf mass in a binary system in the microlensing event OGLE-2019-BLG-0033/MOA-2019-BLG-035.

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., …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.

Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation (2022)
Journal Article
Arnold, B., Wright, N., & Parker, R. J. (2022). Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation. Monthly Notices of the Royal Astronomical Society, 515(2), 2266–2279. https://doi.org/10.1093/mnras/stac1955

We investigate whether spatial-kinematic substructure in young star-forming regions can be quantified using Moran's $I$ statistic. Its presence in young star clusters would provide an indication that the system formed from initially substructured con... Read More about Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation.

The Detection of Deuterated Water in the Large Magellanic Cloud with ALMA (2022)
Journal Article
Sewiło, M., Karska, A., Kristensen, L. E., Charnley, S. B., Rosie Chen, C., Oliveira, J. M., …Garcia-Berrios, E. (2022). The Detection of Deuterated Water in the Large Magellanic Cloud with ALMA. Astrophysical Journal, https://doi.org/10.3847/1538-4357/ac6de1

We report the first detection of deuterated water (HDO) toward an extragalactic hot core. The HDO 211–212 line has been detected toward hot cores N 105–2 A and 2 B in the N 105 star-forming region in the low-metallicity Large Magellanic Cloud (LMC) d... Read More about The Detection of Deuterated Water in the Large Magellanic Cloud with ALMA.

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., …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.

Physical properties of near-Earth asteroid (2102) Tantalus from multiwavelength observations (2022)
Journal Article
Rożek, A., Lowry, S. C., Rozitis, B., Dover, L. R., Taylor, P. A., Virkki, A., …Southworth, J. (2022). Physical properties of near-Earth asteroid (2102) Tantalus from multiwavelength observations. Monthly Notices of the Royal Astronomical Society, 515(3), 4551 - 4564. https://doi.org/10.1093/mnras/stac1835

Between 2010 and 2017, we have collected new optical and radar observations of the potentially hazardous asteroid (2102) Tantalus from the ESO NTT and Danish telescopes at the La Silla Observatory, and from the Arecibo planetary radar. The object app... Read More about Physical properties of near-Earth asteroid (2102) Tantalus from multiwavelength observations.

The intrinsic reddening of the Magellanic Clouds as traced by background galaxies – III. The Large Magellanic Cloud (2022)
Journal Article
Van Loon, Bell, C. P. M., Cioni, M. L., Wright, A. H., Nidever, D. L., Chiang, I., …Zaritsky, D. (2022). The intrinsic reddening of the Magellanic Clouds as traced by background galaxies – III. The Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 516(1), 824-840. https://doi.org/10.1093/mnras/stac1545

We present a map of the total intrinsic reddening across ≃ 90 deg2 of the Large Magellanic Cloud (LMC) derived using optical (ugriz) and near-infrared (IR; YJKs) spectral energy distributions (SEDs) of background galaxies. The reddening map is create... Read More about The intrinsic reddening of the Magellanic Clouds as traced by background galaxies – III. The Large Magellanic Cloud.

ALMA Observations of Molecular Complexity in the Large Magellanic Cloud: The N 105 Star-forming Region (2022)
Journal Article
Sewiło, M., Cordiner, M., Charnley, S. B., Oliveira, J. M., Garcia-Berrios, E., Schilke, P., …Zahorecz, S. (2022). ALMA Observations of Molecular Complexity in the Large Magellanic Cloud: The N 105 Star-forming Region. Astrophysical Journal, 931(2), Article 102. https://doi.org/10.3847/1538-4357/ac4e8f

The Large Magellanic Cloud (LMC) is the nearest laboratory for detailed studies on the formation and survival of complex organic molecules (COMs), including biologically important ones, in low-metallicity environments-typical of earlier cosmological... Read More about ALMA Observations of Molecular Complexity in the Large Magellanic Cloud: The N 105 Star-forming Region.

The impact of O-17 + alpha reaction rate uncertainties on the s-process in rotating massive stars (2022)
Journal Article
Frost-Schenk, J., Adsley, P., Laird, A. M., Longland, R., Angus, C., Barton, C., …Setoodehnia, K. (2022). The impact of O-17 + alpha reaction rate uncertainties on the s-process in rotating massive stars. Monthly Notices of the Royal Astronomical Society, 514(2), 2650 - 2657. https://doi.org/10.1093/mnras/stac1373

Massive stars are crucial to galactic chemical evolution for elements heavier than iron. Their contribution at early times in the evolution of the Universe, however, is unclear due to poorly constrained nuclear reaction rates. The competing 17O(a, ?)... Read More about The impact of O-17 + alpha reaction rate uncertainties on the s-process in rotating massive stars.

Fundamental effective temperature measurements for eclipsing binary stars – III. SPIRou near-infrared spectroscopy and CHEOPS photometry of the benchmark G0V star EBLM J0113+31 (2022)
Journal Article
Maxted, P. F. L., Miller, N. J., Hoyer, S., Adibekyan, V., Sousa, S. G., Billot, N., …Walton, N. (2022). Fundamental effective temperature measurements for eclipsing binary stars – III. SPIRou near-infrared spectroscopy and CHEOPS photometry of the benchmark G0V star EBLM J0113+31. Monthly Notices of the Royal Astronomical Society, 513(4), 6042-6057. https://doi.org/10.1093/mnras/stac1270

EBLM J0113+31 is a moderately bright (V = 10.1), metal-poor ([Fe/H] approximate to-0.3) GOV star with a much fainter M dwarf companion on a wide, eccentric orbit (= 14.3 d). We have used near-infrared spectroscopy obtained with the SPIRou spectrograp... Read More about Fundamental effective temperature measurements for eclipsing binary stars – III. SPIRou near-infrared spectroscopy and CHEOPS photometry of the benchmark G0V star EBLM J0113+31.

The VMC survey. XLV. Proper motion of the outer LMC and the impact of the SMC (2022)
Journal Article
Oliveira, J., & Van Loon, J. (2022). The VMC survey. XLV. Proper motion of the outer LMC and the impact of the SMC. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202142148

Context. The Large Magellanic Cloud (LMC) is the most luminous satellite galaxy of the Milky Way and owing to its companion, the Small Magellanic Cloud (SMC), represents an excellent laboratory to study the interaction of dwarf galaxies.

Aims. The... Read More about The VMC survey. XLV. Proper motion of the outer LMC and the impact of the SMC.

The p-process in exploding rotating massive stars (2022)
Journal Article
Choplin, A., Goriely, S., Hirschi, R., Tominaga, N., & Meynet, G. (2022). The p-process in exploding rotating massive stars. Astronomy & Astrophysics, 661, Article A86. https://doi.org/10.1051/0004-6361/202243331

Context. The p-process nucleosynthesis can explain proton-rich isotopes that are heavier than iron, which are observed in the Solar System, but discrepancies still persist (e.g. for the Mo and Ru p-isotopes), and some important questions concerning t... Read More about The p-process in exploding rotating massive stars.

The Gaia-ESO survey: Constraining evolutionary models and ages for young low mass stars with measurements of lithium depletion and rotation (2022)
Journal Article
Jeffries. (2022). The Gaia-ESO survey: Constraining evolutionary models and ages for young low mass stars with measurements of lithium depletion and rotation. Monthly Notices of the Royal Astronomical Society, 5727-5751. https://doi.org/10.1093/mnras/stac1245

A growing disquiet has emerged in recent years that standard stellar models are at odds with observations of the colour-magnitude diagrams (CMDs) and lithium depletion patterns of pre-main sequence stars in clusters. In this work we select 1246 high... Read More about The Gaia-ESO survey: Constraining evolutionary models and ages for young low mass stars with measurements of lithium depletion and rotation.

The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope (2022)
Journal Article
Van Loon. (2022). The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope. Monthly Notices of the Royal Astronomical Society, 1091 - 1110. https://doi.org/10.1093/mnras/stab2860

The Nearby Evolved Stars Survey (NESS) is a volume-complete sample of ~850 Galactic evolved stars within 3?kpc at (sub-)mm wavelengths, observed in the CO J = (2–1) and (3–2) rotational lines, and the sub-mm continuum, using the James Clark Maxwell T... Read More about The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope.

Mysterious odd radio circle near the large magellanic cloud - an intergalactic supernova remnant? (2022)
Journal Article
Van Loon. (2022). Mysterious odd radio circle near the large magellanic cloud - an intergalactic supernova remnant?. Monthly Notices of the Royal Astronomical Society, 265 - 284. https://doi.org/10.1093/mnras/stac210

We report the discovery of J0624–6948, a low-surface brightness radio ring, lying between the Galactic Plane and the large magellanic cloud (LMC). It was first detected at 888 MHz with the Australian Square Kilometre Array Pathfinder (ASKAP), and wit... Read More about Mysterious odd radio circle near the large magellanic cloud - an intergalactic supernova remnant?.

A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system (2022)
Journal Article
Hellier. (2022). A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system. Nature Astronomy, https://doi.org/10.1038/s41550-022-01641-y

It is commonly accepted that exoplanets with orbital periods shorter than one day, also known as ultra-short-period (USP) planets, formed further out within their natal protoplanetary disks before migrating to their current-day orbits via dynamical i... Read More about A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system.