Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning (2015)
Journal Article
Jones, S., Hirschi, R., Pignatari, M., Heger, A., Georgy, C., Nishimura, N., …Herwig, F. (2015). Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning. Monthly Notices of the Royal Astronomical Society, 447(4), 3115-3129. https://doi.org/10.1093/mnras/stu2657

Massive stars are key sources of radiative, kinetic, and chemical feedback in the universe. Grids of massive star models computed by different groups each using their own codes, input physics choices and numerical approximations, however, lead to inc... Read More about Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning.

Hot subdwarf binaries from the MUCHFUSS project - Analysis of 12 new systems and a study of the short-period binary population (2015)
Journal Article
Kupfer, T., Geier, S., Heber, U., Østensen, R., Barlow, B., Maxted, P., …Gänsicke, B. (2015). Hot subdwarf binaries from the MUCHFUSS project - Analysis of 12 new systems and a study of the short-period binary population. Astronomy & Astrophysics, A44 -?. https://doi.org/10.1051/0004-6361/201425213

The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at finding hot subdwarf stars with massive compact companions like massive white dwarfs (M>1.0 M$_\odot$), neutron stars, or stellar-mass black holes. We... Read More about Hot subdwarf binaries from the MUCHFUSS project - Analysis of 12 new systems and a study of the short-period binary population.

Multiwaveband photometry of the irradiated brown dwarf WD0137-349B (2015)
Journal Article
Casewell, S., Lawrie, K., Maxted, P., Marley, M., Fortney, J., Rimmer, P., …Helling, C. (2015). Multiwaveband photometry of the irradiated brown dwarf WD0137-349B. Monthly Notices of the Royal Astronomical Society, 447(4), 3218 -3226. https://doi.org/10.1093/mnras/stu2721

WD0137-349 is a white dwarf–brown dwarf binary system in a 116 min orbit. We present radial velocity observations and multiwaveband photometry from V, R and I in the optical, to J, H and Ks in the near-IR and [3.6], [4.5], [5.8] and [8.0] µm in the m... Read More about Multiwaveband photometry of the irradiated brown dwarf WD0137-349B.

The influence of supernova remnants on the interstellar medium in the large magellanic cloud seen at 20-600 mu m wavelengths (2015)
Journal Article
Van Loon. (2015). The influence of supernova remnants on the interstellar medium in the large magellanic cloud seen at 20-600 mu m wavelengths. Astrophysical Journal, https://doi.org/10.1088/0004-637X/799/1/50

We present the analysis of supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) and their influence on the environment at far-infrared (FIR) and submillimeter wavelengths. We use new observations obtained with the Herschel Space Observatory... Read More about The influence of supernova remnants on the interstellar medium in the large magellanic cloud seen at 20-600 mu m wavelengths.

Searching for variable stars in the cores of five metal-rich globular clusters using EMCCD observations (2015)
Journal Article
Skottfelt, J., Bramich, D., Figuera Jaimes, R., Jørgensen, U., Kains, N., Arellano Ferro, A., …MiNDSTEp Consortium, T. (2015). Searching for variable stars in the cores of five metal-rich globular clusters using EMCCD observations. Astronomy and Astrophysics Supplement Series, 573, Article A103. https://doi.org/10.1051/0004-6361/201424967

Abstract

Aims. In this paper, we present the analysis of time-series observations from 2013 and 2014 of five metal-rich ([Fe/H] > -1) globular clusters: NGC 6388, NGC 6441, NGC 6528, NGC 6638, and NGC 6652. The data have been used to perform a cen... Read More about Searching for variable stars in the cores of five metal-rich globular clusters using EMCCD observations.

Absolute Properties Of The Eclipsing Binary Star Im Persei (2015)
Journal Article
Sandberg Lacy, C. H., Torres, G., Fekel, F. C., Muterspaugh, M. W., & Southworth, J. (2015). Absolute Properties Of The Eclipsing Binary Star Im Persei. Astronomical Journal, 149(1), Article 34. https://doi.org/10.1088/0004-6256/149/1/34

IM Per is a detached A7 eccentric eclipsing binary star. We have obtained extensive measurements of the light curve (28,225 differential magnitude observations) and radial velocity curve (81 spectroscopic observations) which allow us to fit orbits an... Read More about Absolute Properties Of The Eclipsing Binary Star Im Persei.

The Gaia-ESO Survey: CNO abundances in the open clusters Trumpler 20, NGC 4815, and NGC 6705 (2015)
Journal Article
Jeffries. (2015). The Gaia-ESO Survey: CNO abundances in the open clusters Trumpler 20, NGC 4815, and NGC 6705. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201424989

Context. The Gaia-ESO Public Spectroscopic Survey will observe a large sample of clusters and cluster stars, covering a wide age-distance-metallicity-position-density parameter space.

Aims. We aim to determine C, N, and O abundances in stars of Ga... Read More about The Gaia-ESO Survey: CNO abundances in the open clusters Trumpler 20, NGC 4815, and NGC 6705.

Evolution and Nucleosynthesis of Very Massive Stars (2015)
Book Chapter
Hirschi, R. (2015). Evolution and Nucleosynthesis of Very Massive Stars. In Very Massive Stars in the Local Universe (157-198)

DEBCat: A Catalog of Detached Eclipsing Binary Stars (2015)
Conference Proceeding
Southworth, J. (2015). DEBCat: A Catalog of Detached Eclipsing Binary Stars. In Astronomical Society of the Pacific Conference Series

Detached eclipsing binary star systems are our primary source of measured physical properties of normal stars. I introduce DEBCat: a catalogue of detached eclipsing binaries with mass and radius measurements to the 2% precision necessary to put usefu... Read More about DEBCat: A Catalog of Detached Eclipsing Binary Stars.

An infrared census of dust in nearby galaxies with Spitzer (Dustings). I. Overview (2014)
Journal Article
Van Loon. (2014). An infrared census of dust in nearby galaxies with Spitzer (Dustings). I. Overview. Astrophysical Journal, https://doi.org/10.1088/0067-0049/216/1/10

Nearby resolved dwarf galaxies provide excellent opportunities for studying the dust-producing late stages of stellar evolution over a wide range of metallicity (–2.7 lesssim [Fe/H] lesssim –1.0). Here, we describe DUSTiNGS (DUST in Nearby Galaxies w... Read More about An infrared census of dust in nearby galaxies with Spitzer (Dustings). I. Overview.

Kepler-432 b: a massive planet in a highly eccentric orbit transiting a red giant (2014)
Journal Article
Ciceri, S., Lillo-Box, J., Southworth, J., Mancini, L., Th. Henning, & Barrado, D. (2015). Kepler-432 b: a massive planet in a highly eccentric orbit transiting a red giant. Astronomy & Astrophysics, 573, Article L5. https://doi.org/10.1051/0004-6361/201425145

We report the first disclosure of the planetary nature of Kepler-432?b (aka Kepler object of interest KOI-1299.01). We accurately constrained its mass and eccentricity by high-precision radial velocity measurements obtained with the CAFE spectrograph... Read More about Kepler-432 b: a massive planet in a highly eccentric orbit transiting a red giant.

Pre-main-sequence isochrones - III: The Cluster Collaboration isochrone server (2014)
Journal Article
Jeffries. (2014). Pre-main-sequence isochrones - III: The Cluster Collaboration isochrone server. Monthly Notices of the Royal Astronomical Society, 3496 - 3511. https://doi.org/10.1093/mnras/stu1944

We present an isochrone server for semi-empirical pre-main-sequence model isochrones in the following systems: Johnson–Cousins, Sloan Digital Sky Survey, Two-Micron All-Sky Survey, Isaac Newton Telescope (INT) Wide-Field Camera and INT Photometric Ha... Read More about Pre-main-sequence isochrones - III: The Cluster Collaboration isochrone server.

Orbital periods of cataclysmic variables identified by the SDSS IX. NTT photometry of eight eclipsing and three magnetic systems (2014)
Journal Article
Southworth, J., Tappert, C., Gänsicke, B., & Copperwheat, C. (2015). Orbital periods of cataclysmic variables identified by the SDSS IX. NTT photometry of eight eclipsing and three magnetic systems. Astronomy & Astrophysics, 573, Article A61. https://doi.org/10.1051/0004-6361/201425060

We report the discovery of eclipses and the first orbital period measurements for four cataclysmic variables, plus the first orbital period measurements for one known eclipsing and two magnetic systems. SDSS J093537.46+161950.8 exhibits 1 mag deep ec... Read More about Orbital periods of cataclysmic variables identified by the SDSS IX. NTT photometry of eight eclipsing and three magnetic systems.

High-precision photometry by telescope defocusing - VII. The ultrashort period planet WASP-103 (2014)
Journal Article
Southworth, J., Mancini, L., Ciceri, S., Budaj, J., Dominik, M., Figuera Jaimes, R., …Surdej, J. (2015). High-precision photometry by telescope defocusing - VII. The ultrashort period planet WASP-103. Monthly Notices of the Royal Astronomical Society, 447(1), 711 -721. https://doi.org/10.1093/mnras/stu2394

We present 17 transit light curves of the ultrashort period planetary system WASP-103, a strong candidate for the detection of tidally-induced orbital decay. We use these to establish a high-precision reference epoch for transit timing studies. The t... Read More about High-precision photometry by telescope defocusing - VII. The ultrashort period planet WASP-103.

The star formation history of the Magellanic Clouds derived from long-period variable star counts (2014)
Journal Article
Van Loon. (2014). The star formation history of the Magellanic Clouds derived from long-period variable star counts. Monthly Notices of the Royal Astronomical Society, 2214 -2222. https://doi.org/10.1093/mnras/stu1807

We present the first reconstruction of the star formation history (SFH) of the Large and Small Magellanic Clouds (LMC and SMC) using Long Period Variable stars. These cool evolved stars reach their peak luminosity in the near-infrared; thus, their K-... Read More about The star formation history of the Magellanic Clouds derived from long-period variable star counts.

The final fate of stars that ignite neon and oxygen off-center: electron capture or iron core-collapse supernova? (2014)
Journal Article
Jones, S., Hirschi, R., & Nomoto, K. (2014). The final fate of stars that ignite neon and oxygen off-center: electron capture or iron core-collapse supernova?. Astrophysical Journal, 797(2), 83. https://doi.org/10.1088/0004-637X/797/2/83

In the ONeMg cores of $8.8-9.5~{\rm M}_\odot$ stars, neon and oxygen burning is ignited off-center. Whether the neon-oxygen flame propagates to the center is critical to determine whether these stars undergo Fe core collapse or electron capture induc... Read More about The final fate of stars that ignite neon and oxygen off-center: electron capture or iron core-collapse supernova?.

WASP-94 A and B planets: hot-Jupiter cousins in a twin-star system (2014)
Journal Article
Neveu-VanMalle, M., Queloz, D., Anderson, D., Charbonnel, C., Collier Cameron, A., Delrez, L., …West, R. (2014). WASP-94 A and B planets: hot-Jupiter cousins in a twin-star system. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201424744

We report the discovery of two hot-Jupiter planets, each orbiting one of the stars of a wide binary system. WASP-94A (2MASS 20550794–3408079) is an F8 type star hosting a transiting planet with a radius of 1.72 ± 0.06 RJup, a mass of 0.452 ± 0.034 MJ... Read More about WASP-94 A and B planets: hot-Jupiter cousins in a twin-star system.

Determining stellar macroturbulence using asteroseismic rotational velocities from Kepler (2014)
Journal Article
Smalley. (2014). Determining stellar macroturbulence using asteroseismic rotational velocities from Kepler. Monthly Notices of the Royal Astronomical Society, 3592 -3602. https://doi.org/10.1093/mnras/stu1692

The Rossiter–McLaughlin effect observed for transiting exoplanets often requires prior knowledge of the stellar projected equatorial rotational velocity (v?sin?i). This is usually provided by measuring the broadening of spectral lines, however this m... Read More about Determining stellar macroturbulence using asteroseismic rotational velocities from Kepler.

Spectral and morphological analysis of the remnant of supernova 1987A with Alma and Atca (2014)
Journal Article
Van Loon. (2014). Spectral and morphological analysis of the remnant of supernova 1987A with Alma and Atca. Astrophysical Journal, https://doi.org/10.1088/0004-637X/796/2/82

We present a comprehensive spectral and morphological analysis of the remnant of supernova (SN) 1987A with the Australia Telescope Compact Array (ATCA) and the Atacama Large Millimeter/submillimeter Array (ALMA). The non-thermal and thermal component... Read More about Spectral and morphological analysis of the remnant of supernova 1987A with Alma and Atca.

Pair-instability supernovae in the local universe (2014)
Journal Article
Whalen, D. J., Smidt, J., Heger, A., Hirschi, R., Yusof, N., Even, W., …Joggerst, C. C. (2014). Pair-instability supernovae in the local universe. Astrophysical Journal, 797(1), Article 9. https://doi.org/10.1088/0004-637X/797/1/9

The discovery of 150-300 M ? stars in the Local Group and pair-instability supernova candidates at low redshifts has excited interest in this exotic explosion mechanism. Realistic light curves for pair-instability supernovae at near-solar metalliciti... Read More about Pair-instability supernovae in the local universe.