Search Results - "Ramsay, Gavin"

Observations and 3D Magnetohydrodynamic Modeling of a Confined Helical Jet Launched by a Filament Eruption by Doyle, Lauren, Wyper, Peter F., Scullion, Eamon, McLaughlin, James A., Ramsay, Gavin, Doyle, J. Gerard

“…We present a detailed analysis of a confined filament eruption and jet associated with a C1.5 class solar flare. Multi-wavelength observations from the Global…”
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LISA Galactic Binaries with Astrometry from Gaia DR3 by Kupfer, Thomas, Korol, Valeriya, Littenberg, Tyson B., Shah, Sweta, Savalle, Etienne, Groot, Paul J., Marsh, Thomas R., Le Jeune, Maude, Nelemans, Gijs, Pala, Anna F., Petiteau, Antoine, Ramsay, Gavin, Steeghs, Danny, Babak, Stanislav

“…Abstract Galactic compact binaries with orbital periods shorter than a few hours emit detectable gravitational waves (GWs) at low frequencies. Their GW signals…”
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Constraining the White-dwarf Mass and Magnetic Field Strength of a New Intermediate Polar through X-Ray Observations by Vermette, Benjamin, Salcedo, Ciro, Mori, Kaya, Gerber, Julian, Yoon, Kyung Duk, Bridges, Gabriel, Hailey, Charles J., Haberl, Frank, Hong, Jaesub, Grindlay, Jonathan, Ponti, Gabriele, Ramsay, Gavin

“…Abstract We report timing and broadband spectral analysis of a Galactic X-ray source, CXOGBS J174517.0−321356 (J1745), with a 614 s periodicity. Chandra…”
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TESS Photometry of AM Her and AR UMa: Binary Parameters, Cyclotron Emission Modeling, and Mass Transfer Duty Cycles by Mason, Paul A., Hakala, Pasi, Wu, Kinwah, Barrett, Paul E., Iłkiewicz, Krystian, Littlefield, Colin, Monroy, Lorena C., Sezer, Hasan C., Jablonski, Francisco, Garnavich, Peter, Szkody, Paula, Ramsay, Gavin, Duffy, Christopher, Scaringi, Simone

“…Abstract Transiting Exoplanet Survey Satellite (TESS) photometry of the polars AM Herculis (AM Her) and AR Ursae Majoris (AR UMa) is presented, along with…”
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An X-Ray-dim “Isolated” Neutron Star in a Binary? by Lin, Jie, Li, Chunqian, Wang, Weiyang, Xu, Heng, Jiang, Jinchen, Yang, Daoye, Yaqup, Shahidin, Iskanda, Abdusamatjan, Ma, Shuguo, Niu, Hubiao, Esamdin, Ali, Liu, Shuai, Ramsay, Gavin, Vines, Jose I., Shi, Jianrong, Xu, Renxin

“…Abstract We report the discovery of a dark companion to 2MASS J15274848+3536572 with an orbital period of 6.14 hr. Combining the radial velocity from LAMOST…”
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The view from K2: questioning the traditional view of flaring on early dM stars by Ramsay, Gavin, Doyle, J Gerry

“…We use K2 short cadence data obtained over a duration of 50 d during Campaign 0 to observe two M1V dwarf stars, TYC 1330-879-1 and RXJ 0626+2349. We provide an…”
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The three-dimensional distribution of minerals in potato tubers by Subramanian, Nithya K., White, Philip J., Broadley, Martin R., Ramsay, Gavin

“…• Background and Aims The three-dimensional distributions of mineral elements in potato tubers provide insight into their mechanisms of transport and…”
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Metabolic and Developmental Roles of Carotenoid Cleavage Dioxygenase4 from Potato by Campbell, Raymond, Ducreux, Laurence J.M, Morris, Wayne L, Morris, Jenny A, Suttle, Jeffrey C, Ramsay, Gavin, Bryan, Glenn J, Hedley, Pete E, Taylor, Mark A

“…The factors that regulate storage organ carotenoid content remain to be fully elucidated, despite the nutritional and economic importance of this class of…”
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single domestication for potato based on multilocus amplified fragment length polymorphism genotyping by Spooner, D.M, McLean, K, Ramsay, G, Waugh, R, Bryan, G.J

“…The cultivated potato, Solanum tuberosum, ultimately traces its origin to Andean and Chilean landraces developed by pre-Colombian cultivators. These Andean…”
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Carotenoid biosynthesis in plant storage organs: recent advances and prospects for improving plant food quality by Taylor, Mark, Ramsay, Gavin

“…Carotenoids are components of the photosynthetic machinery, intermediates in the biosynthesis of abscisic acid and other apocarotenoids and act as coloured…”
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Analysis of agribusiness value chains servicing small-holder dairy farming communities in Punjab, Pakistan: three case studies by Godfrey, Sosheel S, Ramsay, Gavin C, Behrendt, Karl, Wynn, Peter C, Nordblom, Thomas L, Aslam, Naveed

“…The agriculture sector in Pakistan, as in most developing countries, is dominated by smallholder producers. Pakistan has the world’s third largest dairy…”
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Relationships Between Yield and Mineral Concentrations in Potato Tubers by White, Philip J, Bradshaw, John E, Finlay, M, Dale, B, Ramsay, Gavin, Hammond, John P, Broadley, Martin R

“…There is concern that modern cultivars and/or agronomic practices have resulted in reduced concentrations of mineral elements essential to human nutrition in…”
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Kepler Observations of V447 Lyr: an Eclipsing U Gem Cataclysmic Variable by Ramsay, Gavin, Cannizzo, John K., Howell, Steve B., Wood, Matt A., Still, Martin, Barclay, Thomas, Smale, Alan

“…We present the results of an analysis of Kepler data covering 1.5 yr of the dwarf nova V447 Lyr. We detect eclipses of the accretion disc by the mass donating…”
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Stellar variability on time-scales of minutes: results from the first 5 yr of the Rapid Temporal Survey by Barclay, Thomas, Ramsay, Gavin, Hakala, Pasi, Napiwotzki, Ralf, Nelemans, Gijs, Potter, Stephen, Todd, Ian

“…The Rapid Temporal Survey (RATS) explores the faint, variable sky. Our observations search a parameter space which, until now, has never been exploited from…”
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Multiwavelength observations of the helium dwarf nova KL Dra through its outburst cycle by Ramsay, Gavin, Kotko, Iwona, Barclay, Thomas, Copperwheat, C. M., Rosen, Simon, Jeffery, C. Simon, Marsh, T. R., Steeghs, Danny, Wheatley, Peter J.

“…We present multiwavelength observations of the helium-dominated accreting binary KL Dra which has an orbital period of 25 min. Our ground-based optical…”
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Effects of gravity on the structure of post-shock accretion flows in magnetic cataclysmic variables by Cropper, Mark, Wu, Kinwah, Ramsay, Gavin, Kocabiyik, Aysegul

“…We calculate the temperature and density structure of the hot post-shock plasma in magnetically confined accretion flows, including the gravitational…”
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Two-temperature accretion flows in magnetic cataclysmic variables: structures of post-shock emission regions and X-ray spectroscopy by Saxton, Curtis J., Wu, Kinwah, Cropper, Mark, Ramsay, Gavin

“…We use a two-temperature hydrodynamical formulation to determine the temperature and density structures of the post-shock accretion flows in magnetic…”
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Twisted accretion curtains in the intermediate polar FO Aquarii by Evans, P. A., Hellier, Coel, Ramsay, Gavin, Cropper, Mark

“…We report on a ∼37-ks XMM–Newton observation of the intermediate polar FO Aquarii, presenting X-ray and ultraviolet data from the EPIC and OM cameras. We find…”
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A TESS search for donor-star pulsations in high-mass X-ray binaries by Ramsay, Gavin, Hakala, Pasi, Charles, Philip A

“…ABSTRACT Ground-based optical photometry of the counterparts of high-mass X-ray binaries (HMXBs) has revealed the presence of periodic modulations on…”
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Detection of an energetic flare from the M5V secondary star in the Polar MQ Dra by Ramsay, Gavin, Hakala, Pasi, Wood, Matt A

“…ABSTRACT MQ Dra is a strongly magnetic Cataclysmic Variable whose white dwarf accretes material from its secondary star through a stellar wind at a low rate…”
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