CHEOPS geometric albedo of the hot Jupiter HD 209458 b (2022)
Journal Article
Maxted. (2022). CHEOPS geometric albedo of the hot Jupiter HD 209458 b. Astronomy & Astrophysics, L4 - L4. https://doi.org/10.1051/0004-6361/202243082

We report the detection of the secondary eclipse of the hot Jupiter HD 209458 b in optical/visible light using the CHEOPS space telescope. Our measurement of 20.4(-3.3)(+3.2) parts per million translates into a geometric albedo of A(g) = 0.096 +/- 0.... Read More about CHEOPS geometric albedo of the hot Jupiter HD 209458 b.

Investigating the architecture and internal structure of the TOI-561 system planets with CHEOPS, HARPS-N, and TESS (2022)
Journal Article
Maxted. (2022). Investigating the architecture and internal structure of the TOI-561 system planets with CHEOPS, HARPS-N, and TESS. Monthly Notices of the Royal Astronomical Society, 4551 - 4571. https://doi.org/10.1093/mnras/stac199

We present a precise characterization of the TOI-561 planetary system obtained by combining previously published data with TESS and CHEOPS photometry, and a new set of 62 HARPS-N radial velocities (RVs). Our joint analysis confirms the presence of fo... Read More about Investigating the architecture and internal structure of the TOI-561 system planets with CHEOPS, HARPS-N, and TESS.

The VMC survey – XLVII. Turbulence-controlled hierarchical star formation in the Large Magellanic Cloud (2022)
Journal Article
Miller, A. E., Cioni, M. L., de Grijs, R., Sun, N., Bell, C. P. M., Choudhury, S., …Van Loon, J. T. (2022). The VMC survey – XLVII. Turbulence-controlled hierarchical star formation in the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 512(1), 1196-1213. https://doi.org/10.1093/mnras/stac508

We perform a statistical clustering analysis of upper main-sequence stars in the Large Magellanic Cloud (LMC) using data from the Visible and Infrared Survey Telescope for Astronomy survey of the Magellanic Clouds. We map over 2500 young stellar stru... Read More about The VMC survey – XLVII. Turbulence-controlled hierarchical star formation in the Large Magellanic Cloud.

BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b - the first circumbinary planet detected with radial velocities (2022)
Journal Article
Maxted, P. F. L., Triaud, A. H. M. J., Standing, M. R., Heidari, N., Martin, D. V., Boisse, I., …Willett, E. (2022). BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b - the first circumbinary planet detected with radial velocities. Monthly Notices of the Royal Astronomical Society, 511(3), 3561-3570. https://doi.org/10.1093/mnras/stab3712

The radial velocity method is amongst the most robust and most established means of detecting exoplanets. Yet, it has so far failed to detect circumbinary planets despite their relatively high occurrence rates. Here, we report velocimetric measuremen... Read More about BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b - the first circumbinary planet detected with radial velocities.

Evolutionary map of the Universe (EMU): 18-cm OH-maser discovery in ASKAP continuum images of the SCORPIO field (2022)
Journal Article
Ingallinera, A., Cavallaro, F., Loru, S., Marvil, J., Umana, G., Trigilio, C., …Van Loon, J. T. (2022). Evolutionary map of the Universe (EMU): 18-cm OH-maser discovery in ASKAP continuum images of the SCORPIO field. Monthly Notices of the Royal Astronomical Society: Letters, 512(1), L21-L26. https://doi.org/10.1093/mnrasl/slac017

Low- and intermediate-mass stars end their life dispersing their outer layers into the circumstellar medium, during the asymptotic and post-asymptotic giant branch phases. OH masers at 18 cm offer an effective way to probe their circumstellar environ... Read More about Evolutionary map of the Universe (EMU): 18-cm OH-maser discovery in ASKAP continuum images of the SCORPIO field.

GASKAP-HI pilot survey science I: ASKAP zoom observations of Hi emission in the Small Magellanic Cloud (2022)
Journal Article
Van Loon. (2022). GASKAP-HI pilot survey science I: ASKAP zoom observations of Hi emission in the Small Magellanic Cloud. Publications of the Astronomical Society of Australia, https://doi.org/10.1017/pasa.2021.59

We present the most sensitive and detailed view of the neutral hydrogen (HI) emission associated with the Small Magellanic Cloud (SMC), through the combination of data from the Australian Square Kilometre Array Pathfinder (ASKAP) and Parkes (Murriyan... Read More about GASKAP-HI pilot survey science I: ASKAP zoom observations of Hi emission in the Small Magellanic Cloud.

GASKAP Pilot Survey Science. II. ASKAP Zoom Observations of Galactic 21 cm Absorption (2022)
Journal Article
Van Loon. (2022). GASKAP Pilot Survey Science. II. ASKAP Zoom Observations of Galactic 21 cm Absorption. Astrophysical Journal, https://doi.org/10.3847/1538-4357/ac3a89

Using the Australian Square Kilometre Array Pathfinder to measure 21 cm absorption spectra toward continuum background sources, we study the cool phase of the neutral atomic gas in the far outer disk, and in the inner Galaxy near the end of the Galac... Read More about GASKAP Pilot Survey Science. II. ASKAP Zoom Observations of Galactic 21 cm Absorption.

Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection (2022)
Journal Article
Maxted. (2022). Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202141645

<jats:p><jats:italic>Context.</jats:italic> The light curves of tidally locked hot Jupiters transiting fast-rotating, early-type stars are a rich source of information about both the planet and star, with full-phase coverage enabling a detailed atmos... Read More about Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection.

THE TRANSITING PLANETARY SYSTEM WASP-86/KELT-12: TESS PROVIDES THE CASTING VOTE (2022)
Journal Article
Southworth, J., & Faedi, F. (2022). THE TRANSITING PLANETARY SYSTEM WASP-86/KELT-12: TESS PROVIDES THE CASTING VOTE. Observatory, 142, 1 - 10

A transiting planetary system was discovered independently by two groups, under the names WASP-86 (Faedi et al.1) and KELT12 (Stevens et al.2). The properties of the system determined in these works were very different, most tellingly a variation of... Read More about THE TRANSITING PLANETARY SYSTEM WASP-86/KELT-12: TESS PROVIDES THE CASTING VOTE.

Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (Corrigendum) (2022)
Journal Article
Barros, S. C. C., Akinsanmi, B., Boué, G., Smith, A. M. S., Laskar, J., Ulmer-Moll, S., …Walton, N. A. (2022). Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (Corrigendum). Astronomy & Astrophysics, 658, Article C1. https://doi.org/10.1051/0004-6361/202142196e

The name of co-author Sébastien Salmon (Observatoire Astronomique de l’Université de Genève, Switzerland) was missing from the author list of the original published article. It is added among the authors in this Corrigendum.

Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020) (2022)
Journal Article
Yusof, N., Hirschi, R., Eggenberger, P., Ekström, S., Georgy, C., Sibony, Y., …Murphy, L. (2022). Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020). Monthly Notices of the Royal Astronomical Society, 511(2), 2814 - 2828. https://doi.org/10.1093/mnras/stac230

We present a grid of stellar models at supersolar metallicity (Z = 0.020) extending the previous grids of Geneva models at solar and sub-solar metallicities. A metallicity of Z = 0.020 was chosen to match that of the inner Galactic disc. A modest inc... Read More about Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020).

An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing (2022)
Journal Article
Sahu, K. C., Anderson, J., Casertano, S., Bond, H. E., Udalski, A., Dominik, M., …Collaboration, R. (2022). An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing. Astrophysical Journal, 933(1),

We report the first unambiguous detection and mass measurement of an isolated stellar-mass black hole (BH). We used the Hubble Space Telescope (HST) to carry out precise astrometry of the source star of the long-duration (t_E ~ 270 days), high-magnif... Read More about An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing.

BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities (2022)
Journal Article
Maxted, & Hellier. (2022). BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities. Monthly Notices of the Royal Astronomical Society, 3571 - 3583. https://doi.org/10.1093/mnras/stac113

BEBOP is a radial-velocity survey that monitors a sample of single-lined eclipsing binaries, in search of circumbinary planets by using high-resolution spectrographs. Here, we describe and test the methods we use to identify planetary signals within... Read More about BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities.

V4334 Sgr (Sakurai's Object): still churning out the dust (2022)
Journal Article
(2022). V4334 Sgr (Sakurai's Object): still churning out the dust. Monthly Notices of the Royal Astronomical Society, 713-722. https://doi.org/10.1093/mnras/stac095

We present a 0.8–2.5 µm spectrum of the Very Late Thermal Pulse object V4334 Sgr (Sakurai’s Object), obtained in 2020 September. The spectrum displays a continuum that rises strongly to longer wavelengths, and is considerably brighter than the most r... Read More about V4334 Sgr (Sakurai's Object): still churning out the dust.

Parameters of the eclipsing binary a Draconis observed by TESS and SONG (2022)
Journal Article
Hey, D. R., Kochoska, A., Monier, R., Kochukhov, O., Johnston, C., Bedding, T. R., …Pallé, P. L. (2022). Parameters of the eclipsing binary a Draconis observed by TESS and SONG. Monthly Notices of the Royal Astronomical Society, 511(2), 2648-2658. https://doi.org/10.1093/mnras/stac020

We present an analysis of the eclipsing single-lined spectroscopic binary system a Dra based on photometry from the Transiting Exoplanet Survey Satellite (TESS) mission and newly acquired spectroscopic measurements. Recently discovered to have eclips... Read More about Parameters of the eclipsing binary a Draconis observed by TESS and SONG.

A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS (2022)
Journal Article
Maxted. (2022). A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS. Monthly Notices of the Royal Astronomical Society, 1043 - 1071. https://doi.org/10.1093/mnras/stab3799

We report the discovery and characterization of a pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 (TIC 79748331), initially detected in the Transiting Exoplanet Survey Satellite (TESS) photometry. To characterize the system, we performed... Read More about A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS.

Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (2022)
Journal Article
Maxted. (2022). Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202142196

Context. Ultra-short period planets undergo strong tidal interactions with their host star which lead to planet deformation and orbital tidal decay.

Aims. WASP-103b is the exoplanet with the highest expected deformation signature in its transit li... Read More about Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS.

The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables (2021)
Journal Article
Van Loon. (2021). The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables. Astrophysical Journal, https://doi.org/10.3847/1538-4357/ac2d96

An optical monitoring survey in the nearby dwarf galaxies was carried out with the 2.5 m Isaac Newton Telescope. 55 dwarf galaxies and four isolated globular clusters in the Local Group were observed with the Wide Field Camera. The main aims of this... Read More about The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables.

Families and clusters of diffuse interstellar bands: a data-driven correlation analysis (2021)
Journal Article
Van Loon. (2021). Families and clusters of diffuse interstellar bands: a data-driven correlation analysis. Monthly Notices of the Royal Astronomical Society, 3546 - 3560. https://doi.org/10.1093/mnras/stab3651

More than 500 diffuse interstellar bands (DIBs) have been observed in astronomical spectra, and their signatures and correlations in different environments have been studied over the past decades to reveal clues about the nature of the carriers. We c... Read More about Families and clusters of diffuse interstellar bands: a data-driven correlation analysis.

TOI-1201 b: A mini-Neptune transiting a bright and moderately young M dwarf (2021)
Journal Article
Hellier. (2021). TOI-1201 b: A mini-Neptune transiting a bright and moderately young M dwarf. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202141587

We present the discovery of a transiting mini-Neptune around TOI-1201, a relatively bright and moderately young early M dwarf (J ˜ 9.5 mag, ~600–800 Myr) in an equal-mass ~8 arcsecond-wide binary system, using data from the Transiting Exoplanet Surve... Read More about TOI-1201 b: A mini-Neptune transiting a bright and moderately young M dwarf.