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The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii (2015)
Journal Article
Maxted. (2015). The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201526211

Aims. Our aim is to precisely measure the physical parameters of the eclipsing binary IO Aqr and derive a distance to this system by applying a surface brightness – colour relation. Our motivation is to combine these parameters with future precise di... Read More about The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii.

KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events (2015)
Journal Article
Bognár, Z., Lampens, P., Frémat, Y., Taylor, J., Sódor, Á., De Cat, P., Isaacson, H., Marcy, G., Ciardi, D., Gilliland, R., & Martín-Fernández, P. (2015). KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events. Astronomy & Astrophysics, 581, Article A77. https://doi.org/10.1051/0004-6361/201526154

Context. Several hundred candidate hybrid pulsators of type A–F have been identified from space-based observations. Their large number allows both statistical analyses and detailed investigations of individual stars. This offers the opportunity to st... Read More about KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events.

Double riches: asteroseismology in eclipsing binaries (2015)
Journal Article
Southworth, J. (2015). Double riches: asteroseismology in eclipsing binaries. Proceedings of the International Astronomical Union, 11, 628 - 635. https://doi.org/10.1017/S1743921316006220

The study of eclipsing binaries is our primary source of measured properties of normal stars, achieved through analysis of light and radial velocity curves of eclipsing systems. The study of oscillations and pulsations is increasingly vital for deter... Read More about Double riches: asteroseismology in eclipsing binaries.

Apparent Age Spreads in Clusters and the Role of Stellar Rotation (2015)
Journal Article
(2015). Apparent Age Spreads in Clusters and the Role of Stellar Rotation. Monthly Notices of the Royal Astronomical Society, 2070-2074. https://doi.org/10.1093/mnras/stv1791

We use the Geneva Syclist isochrone models that include the effects of stellar rotation to investigate the role that rotation has on the resulting colour-magnitude diagram (CMD) of young and intermediate age clusters. We find that if a distribution o... Read More about Apparent Age Spreads in Clusters and the Role of Stellar Rotation.

Cuticular Hydrocarbon Pheromones for Social Behavior and Their Coding in the Ant Antenna. (2015)
Journal Article
Jones. (2015). Cuticular Hydrocarbon Pheromones for Social Behavior and Their Coding in the Ant Antenna. Cell Reports, 1261 - 1271. https://doi.org/10.1016/j.celrep.2015.07.031

The sophisticated organization of eusocial insect societies is largely based on the regulation of complex behaviors by hydrocarbon pheromones present on the cuticle. We used electrophysiology to investigate the detection of cuticular hydrocarbons (CH... Read More about Cuticular Hydrocarbon Pheromones for Social Behavior and Their Coding in the Ant Antenna..

λ Bootis stars in the SuperWASP survey (2015)
Journal Article
Paunzen, E., Skarka, M., Walczak, P., Holdsworth, D., Smalley, B., West, R., & Janík, J. (2015). λ Bootis stars in the SuperWASP survey. Monthly Notices of the Royal Astronomical Society, 453(2), 1241 -1248. https://doi.org/10.1093/mnras/stv1652

We have analysed around 170 000 individual photometric WASP (Wide Angle Search for Planets) measurements of 15 well-established ? Bootis stars to search for variability. The ? Bootis stars are a small group of late-B to early-F, Pop I, stars that sho... Read More about λ Bootis stars in the SuperWASP survey.

The Suzaku view of highly ionized outflows in AGN - II. Location, energetics and scalings with bolometric luminosity (2015)
Journal Article
Gofford, J., Reeves, J. N., McLaughlin, D. E., Braito, V., Turner, T. J., Tombesi, F., & Cappi, M. (2015). The Suzaku view of highly ionized outflows in AGN - II. Location, energetics and scalings with bolometric luminosity. Monthly Notices of the Royal Astronomical Society, 451(4), 4169-4182. https://doi.org/10.1093/mnras/stv1207

Ongoing studies with XMM-Newton have shown that powerful accretion disc winds, as revealed through highly-ionised Fe\,K-shell absorption at E>=6.7 keV, are present in a significant fraction of Active Galactic Nuclei (AGN) in the local Universe (Tombe... Read More about The Suzaku view of highly ionized outflows in AGN - II. Location, energetics and scalings with bolometric luminosity.

The Gaia-ESO Survey: empirical determination of the precision of stellar radial velocities and projected rotation velocities (2015)
Journal Article
Jeffries, & Jackson, R. (2015). The Gaia-ESO Survey: empirical determination of the precision of stellar radial velocities and projected rotation velocities. Astronomy and Astrophysics Supplement Series, https://doi.org/10.1051/0004-6361/201526248

Context. The Gaia-ESO Survey (GES) is a large public spectroscopic survey at the European Southern Observatory Very Large Telescope.

Aims. A key aim is to provide precise radial velocities (RVs) and projected equatorial velocities (vsini) for repr... Read More about The Gaia-ESO Survey: empirical determination of the precision of stellar radial velocities and projected rotation velocities.

KIC 4768731: a bright long-period roAp star in the Kepler field (2015)
Journal Article
Smalley, B., Niemczura, E., Murphy, S., Lehmann, H., Kurtz, D., Holdsworth, D., Cunha, M., Balona, L., Briquet, M., Bruntt, H., De Cat, P., Lampens, P., Thygesen, A., & Uytterhoeven, K. (2015). KIC 4768731: a bright long-period roAp star in the Kepler field. Monthly Notices of the Royal Astronomical Society, 452(4), 3334 - 3345. https://doi.org/10.1093/mnras/stv1515

We report the identification of 61.45?d-1 (711.2 µHz) oscillations, with amplitudes of 62.6 µmag, in KIC 4768731 (HD 225914) using Kepler photometry. This relatively bright (V = 9.17) chemically peculiar star with spectral type A5 Vp SrCr(Eu) has pre... Read More about KIC 4768731: a bright long-period roAp star in the Kepler field.

A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect (2015)
Journal Article
Derekas, A., Németh, P., Southworth, J., Borkovits, T., Sárneczky, K., Pál, A., Csák, B., Garcia-Alvarez, D., Maxted, P., Kiss, L., Vida, K., Szabó, G., & Kriskovics, L. (2015). A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect. Astrophysical Journal, 808(2), Article 179. https://doi.org/10.1088/0004-637X/808/2/179

We report the discovery of a new totally eclipsing binary (R.A. = ${06}^{{\rm{h}}}{40}^{{\rm{m}}}{29}^{{\rm{s}}}11$; decl. = +38°56'52''2; J = 2000.0; Rmax = 17.2 mag) with an sdO primary and a strongly irradiated red dwarf companion. It has an orbit... Read More about A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect.

A kinematically unbiased search for nearby young stars in the Northern hemisphere selected using SuperWASP rotation periods (2015)
Journal Article
Binks, A., Jeffries, R., & Maxted, P. (2015). A kinematically unbiased search for nearby young stars in the Northern hemisphere selected using SuperWASP rotation periods. Monthly Notices of the Royal Astronomical Society, 452(1), 173-192. https://doi.org/10.1093/mnras/stv1309

We present a kinematically-unbiased search to identify young, nearby low-mass members of kinematic moving groups (MGs). Objects with both rotation periods shorter than 5 days in the SuperWASP All-Sky Survey and X-ray counterparts in the ROSAT All-Sky... Read More about A kinematically unbiased search for nearby young stars in the Northern hemisphere selected using SuperWASP rotation periods.

The GAPS Programme with HARPS-N at TNG VIII. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting planetary systems HAT-P-36 and WASP-11/HAT-P-10 (2015)
Journal Article
Mancini, L., Esposito, M., Covino, E., Raia, G., Southworth, J., Tregloan-Reed, J., Biazzo, K., Bonomo, A., Desidera, S., Lanza, A., Maciejewski, G., Poretti, E., Sozzetti, A., Borsa, F., Bruni, I., Ciceri, S., Claudi, R., Cosentino, R., Gratton, R., Martinez Fiorenzano, A., …Zanmar Sanchez, R. (2015). The GAPS Programme with HARPS-N at TNG VIII. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting planetary systems HAT-P-36 and WASP-11/HAT-P-10. Astronomy & Astrophysics, 579, Article A136. https://doi.org/10.1051/0004-6361/201526030

Context. Orbital obliquity is thought to be a fundamental parameter in tracing the physical mechanisms that cause the migration of giant planets from the snow line down to roughly 10-2?au from their host stars. We are carrying out a large programme t... Read More about The GAPS Programme with HARPS-N at TNG VIII. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting planetary systems HAT-P-36 and WASP-11/HAT-P-10.

Spectroscopic survey of Kepler stars.(a similar to...) I. HERMES/Mercator observations of A- and F-type stars (2015)
Journal Article
Smalley. (2015). Spectroscopic survey of Kepler stars.(a similar to...) I. HERMES/Mercator observations of A- and F-type stars. Monthly Notices of the Royal Astronomical Society, 2764 -2783. https://doi.org/10.1093/mnras/stv528

The Kepler space mission provided near-continuous and high-precision photometry of about 207 000 stars, which can be used for asteroseismology. However, for successful seismic modeling it is equally important to have accurate stellar physical paramet... Read More about Spectroscopic survey of Kepler stars.(a similar to...) I. HERMES/Mercator observations of A- and F-type stars.

WASP-80b has a dayside within the T-dwarf range (2015)
Journal Article
Maxted, Smalley, & Hellier. (2015). WASP-80b has a dayside within the T-dwarf range. Monthly Notices of the Royal Astronomical Society, 2279 -2290. https://doi.org/10.1093/mnras/stv706

WASP-80b is a missing link in the study of exoatmospheres. It falls between the warm Neptunes and the hot Jupiters and is amenable for characterization, thanks to its host star's properties. We observed the planet through transit and during occultati... Read More about WASP-80b has a dayside within the T-dwarf range.

Spectroscopically resolving the Algol triple system (2015)
Journal Article
Kolbas, V., Pavlovski, K., Southworth, J., Lee, C.-U., Lee, D.-J., Lee, J., Kim, S.-L., Kim, H.-I., Smalley, B., & Tkachenko, A. (2015). Spectroscopically resolving the Algol triple system. Monthly Notices of the Royal Astronomical Society, 451(4), 4150 -4161. https://doi.org/10.1093/mnras/stv1261

Algol (ß Persei) is the prototypical semidetached eclipsing binary and a hierarchical triple system. From 2006 to 2010 we obtained 121 high-resolution and high signal-to-noise ratio echelle spectra of this object. Spectral disentangling yields the in... Read More about Spectroscopically resolving the Algol triple system.

Spitzer infrared spectrograph point source classification in the Small Magellanic Cloud (2015)
Journal Article
Ruffle, P. M., Kemper, F., Jones, O., Sloan, G., Kraemer, K., Woods, P. M., Boyer, M., Srinivasan, S., Antoniou, V., Lagadec, E., Matsuura, M., McDonald, I., Oliveira, J., Sargent, B., Sewiło, M., Szczerba, R., van Loon, J., Van Loon, J. T., Volk, K., & Zijlstra, A. (2015). Spitzer infrared spectrograph point source classification in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 451(4), 3504 -3536. https://doi.org/10.1093/mnras/stv1106

The Magellanic Clouds are uniquely placed to study the stellar contribution to dust emission. Individual stars can be resolved in these systems even in the mid-infrared, and they are close enough to allow detection of infrared excess caused by dust.... Read More about Spitzer infrared spectrograph point source classification in the Small Magellanic Cloud.

A census of variability in globular cluster M 68 (NGC 4590) (2015)
Journal Article
Kains, N., Arellano Ferro, A., Figuera Jaimes, R., Bramich, D., Skottfelt, J., Jørgensen, U., Tsapras, Y., Street, R., Browne, P., Dominik, M., Horne, K., Hundertmark, M., Ipatov, S., Snodgrass, C., Steele, I., RoboNet consortium, T. L., Alsubai, K., Bozza, V., Calchi Novati, S., Ciceri, S., …MiNDSTEp Consortium, T. (2015). A census of variability in globular cluster M 68 (NGC 4590). Astronomy & Astrophysics, 578, Article A128. https://doi.org/10.1051/0004-6361/201424600

Aims. We analyse 20 nights of CCD observations in the V and I bands of the globular cluster M?68 (NGC 4590) and use them to detect variable objects. We also obtained electron-multiplying CCD (EMCCD) observations for this cluster in order to explore i... Read More about A census of variability in globular cluster M 68 (NGC 4590).

The GAPS programme with HARPS-N at TNG VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of tau Bootis A (2015)
Journal Article
Borsa, F., Scandariato, G., Rainer, M., Bignamini, A., Maggio, A., Poretti, E., Lanza, A., Di Mauro, M., Benatti, S., Biazzo, K., Bonomo, A., Damasso, M., Esposito, M., Gratton, R., Affer, L., Barbieri, M., Boccato, C., Claudi, R., Cosentino, R., Covino, E., …Stelzer, B. (2015). The GAPS programme with HARPS-N at TNG VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of tau Bootis A. Astronomy & Astrophysics, 578, Article A64. https://doi.org/10.1051/0004-6361/201525741

Aims. We observed the t Boo system with the HARPS-N spectrograph to test a new observational strategy aimed at jointly studying asteroseismology, the planetary orbit, and star-planet magnetic interaction.

Methods. We collected high-cadence observa... Read More about The GAPS programme with HARPS-N at TNG VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of tau Bootis A.

Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau (2015)
Journal Article
Maxted, P., Hutcheon, R., Torres, G., Lacy, C., Southworth, J., Smalley, B., Pavlovski, K., Marschall, L., & Clausen, J. (2015). Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau. Astronomy & Astrophysics, 578, Article A25. https://doi.org/10.1051/0004-6361/201525873

V1094 Tau is bright eclipsing binary star with an orbital period close to 9 days containing two stars similar to the Sun. Our aim is to test models of Sun-like stars using precise and accurate mass and radius measurements for both stars in V1094 Tau.... Read More about Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau.