Pulsation versus metallicism in Am stars as revealed by LAMOST and WASP (2016)
Journal Article
Smalley, B., Antoci, V., L. Holdsworth, D., W. Kurtz, D., J. Murphy, S., De Cat, P., R. Anderson, D., Catanzaro, G., Collier Cameron, A., Hellier, C., F. L. Maxted, P., J. Norton, A., Pollacco, D., Ripepi, V., G. West, R., & J. Wheatley, P. (2017). Pulsation versus metallicism in Am stars as revealed by LAMOST and WASP. Monthly Notices of the Royal Astronomical Society, 465(3), 2662-2670. https://doi.org/10.1093/mnras/stw2903

We present the results of a study of a large sample of A and Am stars with spectral types from LAMOST and light curves from WASP. We find that, unlike normal A stars, d Sct pulsations in Am stars are mostly confined to the effective temperature range... Read More about Pulsation versus metallicism in Am stars as revealed by LAMOST and WASP.

WASP-157b, a Transiting Hot Jupiter Observed with K2 (2016)
Journal Article
Močnik, T., Anderson, D., Brown, D., Collier Cameron, A., Delrez, L., Gillon, M., Hellier, C., Jehin, E., Lendl, M., Maxted, P., Neveu-VanMalle, M., Pepe, F., Pollacco, D., QueloZ, D., Ségransan, D., Smalley, B., Southworth, J., Triaud, A., Udry, S., & West, R. (2016). WASP-157b, a Transiting Hot Jupiter Observed with K2. Publications of the Astronomical Society of the Pacific, 128(970), Article 124403. https://doi.org/10.1088/1538-3873/128/970/124403

We announce the discovery of the transiting hot Jupiter WASP-157b in a 3.95-d orbit around a V = 12.9 G2 main-sequence star. This moderately inflated planet has a Saturn-like density, with a mass of 0.57 ± 0.10 MJup and a radius of 1.06 ± 0.05 RJup.... Read More about WASP-157b, a Transiting Hot Jupiter Observed with K2.

The Complex Circumnuclear Environment Of The Broad-line Radio Galaxy 3C 390.3 Revealed By Chandra Hetg (2016)
Journal Article
(2016). The Complex Circumnuclear Environment Of The Broad-line Radio Galaxy 3C 390.3 Revealed By Chandra Hetg. Astrophysical Journal, https://doi.org/10.3847/0004-637x/830/2/98

We present the first high spectral resolution X-ray observation of the broad-line radio galaxy 3C 390.3 obtained with the high-energy transmission grating spectrometer on board the Chandra X-ray Observatory. The spectrum shows complex emission and ab... Read More about The Complex Circumnuclear Environment Of The Broad-line Radio Galaxy 3C 390.3 Revealed By Chandra Hetg.

The deep OB star population in Carina from the VST Photometric H alpha Survey (VPHAS plus ) (2016)
Journal Article
Wright. (2016). The deep OB star population in Carina from the VST Photometric H alpha Survey (VPHAS plus ). Monthly Notices of the Royal Astronomical Society, 1807 - 1830. https://doi.org/10.1093/mnras/stw2751

Massive OB stars are critical to the ecology of galaxies and yet our knowledge of OB stars in the Milky Way, fainter than V ~ 12, remains patchy. Data from the VST Photometric Ha Survey (VPHAS+) permit the construction of the first deep catalogues of... Read More about The deep OB star population in Carina from the VST Photometric H alpha Survey (VPHAS plus ).

A deep X-ray view of the bare AGN Ark 120. I. Revealing the Soft X-ray Line Emission (2016)
Journal Article
(2016). A deep X-ray view of the bare AGN Ark 120. I. Revealing the Soft X-ray Line Emission. Astrophysical Journal, https://doi.org/10.3847/0004-637X/828/2/98

The Seyfert 1 galaxy, Ark 120, is a prototype example of the so-called class of bare nucleus AGN, whereby there is no known evidence for the presence of ionized gas along the direct line of sight. Here deep ($>400$ ks exposure), high resolution X-ray... Read More about A deep X-ray view of the bare AGN Ark 120. I. Revealing the Soft X-ray Line Emission.

Edge wrinkling in elastically supported pre-stressed incompressible isotropic plates (2016)
Journal Article
Destrade, M., Fu, Y., & Nobili, A. (2016). Edge wrinkling in elastically supported pre-stressed incompressible isotropic plates. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 20160410 -?. https://doi.org/10.1098/rspa.2016.0410

The equations governing the appearance of flexural static perturbations at the edge of a semi-infinite thin elastic isotropic plate, subjected to a state of homogeneous bi-axial pre-stress, are derived and solved. The plate is incompressible and supp... Read More about Edge wrinkling in elastically supported pre-stressed incompressible isotropic plates.

Erratum: Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry (2016)
Journal Article
Mancini, L., Southworth, J., Ciceri, S., Tregloan-Reed, J., Crossfield, I., Nikolov, N., Bruni, I., Zambelli, R., & Henning, T. (2016). Erratum: Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry. Monthly Notices of the Royal Astronomical Society, 462(4), 4266 - 4266. https://doi.org/10.1093/mnras/stw1991

Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations (2016)
Journal Article
Figuera Jaimes, R., Bramich, D., Kains, N., Skottfelt, J., Jørgensen, U., Horne, K., Dominik, M., Alsubai, K., Bozza, V., Burgdorf, M., Calchi Novati, S., Ciceri, S., D’Ago, G., Evans, D., Galianni, P., -H. Gu, S., Harpsøe, K., Haugbølle, T., Hinse, T., Hundertmark, M., …MiNDSTEp Consortium, T. (2016). Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations. Astronomy & Astrophysics, 592, Article A120. https://doi.org/10.1051/0004-6361/201628864

Context. We show the benefits of using electron-multiplying CCDs and the shift-and-add technique as a tool to minimise the effects of atmospheric turbulence, such as blending between stars in crowded fields, and to avoid saturated stars in the fields... Read More about Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations.

Contamination from a nearby star cannot explain the anomalous transmission spectrum of the ultra-short period giant planet WASP-103b (2016)
Journal Article
Southworth, J., & Evans, D. F. (2016). Contamination from a nearby star cannot explain the anomalous transmission spectrum of the ultra-short period giant planet WASP-103b. Monthly Notices of the Royal Astronomical Society, 463(1), 37-44. https://doi.org/10.1093/mnras/stw1943

The planet in the WASP-103 system is an excellent candidate for transmission spectroscopy because of its large radius and high temperature. Application of this technique found a variation of radius with wavelength which was far too strong to be expla... Read More about Contamination from a nearby star cannot explain the anomalous transmission spectrum of the ultra-short period giant planet WASP-103b.

Do open star clusters evolve toward energy equipartition? (2016)
Journal Article
(2016). Do open star clusters evolve toward energy equipartition?. Monthly Notices of the Royal Astronomical Society, 317-328. https://doi.org/10.1093/mnras/stw998

We investigate whether open clusters (OCs) tend to energy equipartition, by means of direct N-body simulations with a broken power-law mass function. We find that the simulated OCs become strongly mass segregated, but the local velocity dispersion do... Read More about Do open star clusters evolve toward energy equipartition?.

Another one grinds the dust: variability of the planetary debris disc at the white dwarf SDSS J104341.53+085558.2 (2016)
Journal Article
Manser, C. J., Gänsicke, B. T., Koester, D., Marsh, T. R., & Southworth, J. (2016). Another one grinds the dust: variability of the planetary debris disc at the white dwarf SDSS J104341.53+085558.2. Monthly Notices of the Royal Astronomical Society, 462(2), 1461 - 1469. https://doi.org/10.1093/mnras/stw1760

We report 9 yr of optical spectroscopy of the metal-polluted white dwarf SDSS J104341.53+085558.2, which presents morphological variations of the line profiles of the 8600 Å Ca?II triplet emission from the gaseous component of its debris disc. Simila... Read More about Another one grinds the dust: variability of the planetary debris disc at the white dwarf SDSS J104341.53+085558.2.

SXP 214: An X-ray Pulsar In The Small Magellanic Cloud, Crossing The Circumstellar Disk Of The Companion (2016)
Journal Article
Wright. (2016). SXP 214: An X-ray Pulsar In The Small Magellanic Cloud, Crossing The Circumstellar Disk Of The Companion. Astrophysical Journal, https://doi.org/10.3847/0004-637X/826/1/4

Located in the Small Magellanic Cloud (SMC), SXP 214 is an X-ray pulsar in a high mass X-ray binary system with a Be-star companion. A recent survey of the SMC under a Chandra X-ray Visionary program found that the source was in a transition when the... Read More about SXP 214: An X-ray Pulsar In The Small Magellanic Cloud, Crossing The Circumstellar Disk Of The Companion.

Mass Measurements Of Isolated Objects From Space-Based Microlensing (2016)
Journal Article
Zhu, W., Calchi Novati, S., Gould, A., Udalski, A., Han, C., Shvartzvald, Y., Ranc, C., Jørgensen, U., Poleski1, R., Bozza, V., Beichman, C., Bryden, G., Carey, S., Gaudi, B., Henderson, C., Pogge, R., Porritt, I., Wibking, B., Yee, J., TEAM, S., …GROUP, M. (2016). Mass Measurements Of Isolated Objects From Space-Based Microlensing. Astrophysical Journal, 825(1), Article 60. https://doi.org/10.3847/0004-637X/825/1/60

We report on the mass and distance measurements of two single-lens events from the 2015 Spitzer microlensing campaign. With both finite-source effect and microlens parallax measurements, we find that the lens of OGLE-2015-BLG-1268 is very likely a br... Read More about Mass Measurements Of Isolated Objects From Space-Based Microlensing.

Impact of Deuteration on the Assembly Kinetics of Transthyretin Monitored by Native Mass Spectrometry and Implications for Amyloidoses. (2016)
Journal Article
(2016). Impact of Deuteration on the Assembly Kinetics of Transthyretin Monitored by Native Mass Spectrometry and Implications for Amyloidoses. Angewandte Chemie International Edition, 9438-9442. https://doi.org/10.1002/ange.201602747

It is well established that the formation of transthyretin (TTR) amyloid fibrils is linked to the destabilization and dissociation of its tetrameric structure into insoluble aggregates. Isotope labeling is used for the study of TTR by NMR, neutron di... Read More about Impact of Deuteration on the Assembly Kinetics of Transthyretin Monitored by Native Mass Spectrometry and Implications for Amyloidoses..

Mass segregation in star clusters is not energy equipartition (2016)
Journal Article
Wright. (2016). Mass segregation in star clusters is not energy equipartition. Monthly Notices of the Royal Astronomical Society, 119-123. https://doi.org/10.1093/mnrasl/slw061

Mass segregation in star clusters is often thought to indicate the onset of energy equipartition, where the most massive stars impart kinetic energy to the lower-mass stars and brown dwarfs/free floating planets. The predicted net result of this is t... Read More about Mass segregation in star clusters is not energy equipartition.

An optical transmission spectrum of the transiting hot Jupiter in the metal-poor WASP-98 planetary system (2016)
Journal Article
Mancini, L., Giordano, M., Mollière, P., Southworth, J., Brahm, R., Ciceri, S., & Henning, T. (2016). An optical transmission spectrum of the transiting hot Jupiter in the metal-poor WASP-98 planetary system. Monthly Notices of the Royal Astronomical Society, 461(1), 1053 - 1061. https://doi.org/10.1093/mnras/stw1386

The WASP-98 planetary system represents a rare case of a hot Jupiter hosted by a metal-poor main-sequence star. We present a follow-up study of this system based on multiband photometry and high-resolution spectroscopy. Two new transit events of WASP... Read More about An optical transmission spectrum of the transiting hot Jupiter in the metal-poor WASP-98 planetary system.

Discovery of Broad Soft X-ray Absorption Lines from the Quasar Wind in PDS 456 (2016)
Journal Article
(2016). Discovery of Broad Soft X-ray Absorption Lines from the Quasar Wind in PDS 456. Astrophysical Journal, https://doi.org/10.3847/0004-637X/824/1/20

High resolution soft X-ray spectroscopy of the prototype accretion disk wind quasar, PDS 456, is presented. Here, the XMM-Newton RGS spectra are analyzed from the large 2013-2014 XMM-Newton campaign, consisting of 5 observations of approximately 100... Read More about Discovery of Broad Soft X-ray Absorption Lines from the Quasar Wind in PDS 456.

Quantum confinement and photoresponsivity ofß-In2Se3 nanosheets grown by physical vapour transport (2016)
Journal Article
Balakrishnan, N., Staddon, C., Smith, E., Stec, J., Gay, D., Mudd, G., Makarovsky, O., Kudrynskyi, Z., Kovalyuk, Z., Eaves, L., Patanè, A., & Beton, P. (2016). Quantum confinement and photoresponsivity ofß-In2Se3 nanosheets grown by physical vapour transport. 2D Materials, 025030 - 025030. https://doi.org/10.1088/2053-1583/3/2/025030

We demonstrate that ß-In2Se3 layers with thickness ranging from 2.8 to 100 nm can be grown on SiO2/Si, mica and graphite using a physical vapour transport method. The ß-In2Se3 layers are chemically stable at room temperature and exhibit a blue-shift... Read More about Quantum confinement and photoresponsivity ofß-In2Se3 nanosheets grown by physical vapour transport.

Kepler-539: A young extrasolar system with two giant planets on wide orbits and in gravitational interaction (2016)
Journal Article
Mancini, L., Lillo-Box, J., Southworth, J., Borsato, L., Gandolfi, D., Ciceri, S., Barrado, D., Brahm, R., & Th. Henning. (2016). Kepler-539: A young extrasolar system with two giant planets on wide orbits and in gravitational interaction. Astronomy & Astrophysics, 590, Article A112. https://doi.org/10.1051/0004-6361/201526357

We confirm the planetary nature of Kepler-539?b (aka Kepler object of interest K00372.01), a giant transiting exoplanet orbiting a solar-analogue G2?V star. The mass of Kepler-539?b was accurately derived thanks to a series of precise radial velocity... Read More about Kepler-539: A young extrasolar system with two giant planets on wide orbits and in gravitational interaction.

The Spitzer Microlensing Program As A Probe For Globular Cluster Planets: Analysis Of Ogle-2015-BLG-0448 (2016)
Journal Article
Poleski, R., Zhu, W., Christie, G. W., Udalski, A., Gould, A., Bachelet, E., Skottfelt, J., Calchi Novati, S., Szymański, M., Soszyński, I., Pietrzyński, G., Wyrzykowski, Ł., Ulaczyk, K., Pietrukowicz, P., Kozłowski, S., Skowron, J., Mróz, P., Pawlak, M., Beichman, C., Bryden, G., …Wertz, O. (in press). The Spitzer Microlensing Program As A Probe For Globular Cluster Planets: Analysis Of Ogle-2015-BLG-0448. Astrophysical Journal, 823(1), Article 63. https://doi.org/10.3847/0004-637X/823/1/63

The microlensing event OGLE-2015-BLG-0448 was observed by Spitzer and lay within the tidal radius of the globular cluster NGC 6558. The event had moderate magnification and was intensively observed, hence it had the potential to probe the distributio... Read More about The Spitzer Microlensing Program As A Probe For Globular Cluster Planets: Analysis Of Ogle-2015-BLG-0448.