Search Results - "Smith, Martin C."

The biggest splash by Belokurov, Vasily, Sanders, Jason L, Fattahi, Azadeh, Smith, Martin C, Deason, Alis J, Evans, N Wyn, Grand, Robert J J

“…ABSTRACT Using a large sample of bright nearby stars with accurate Gaia Data Release 2 astrometry and auxiliary spectroscopy we map out the properties of the…”
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Young stars as tracers of a barred-spiral Milky Way by Pettitt, Alex R, Ragan, Sarah E, Smith, Martin C

“…Abstract Identifying the structure of our Galaxy has always been fraught with difficulties, and while modern surveys continue to make progress building a map…”
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The Pisces Plume and the Magellanic wake by Belokurov, Vasily, Deason, Alis J, Erkal, Denis, Koposov, Sergey E, Carballo-Bello, Julio A, Smith, Martin C, Jethwa, Prashin, Navarrete, Camila

“…ABSTRACT Using RR Lyrae stars in the Gaia Data Release 2 and Pan-STARRS1 we study the properties of the Pisces overdensity, a diffuse substructure in the outer…”
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Blending in gravitational microlensing experiments: source confusion and related systematics by Smith, Martin C., Woźniak, Przemysław, Mao, Shude, Sumi, Takahiro

“…Gravitational microlensing surveys target very dense stellar fields in the local group. As a consequence, the microlensed source stars are often blended with…”
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The tale of the tail – disentangling the high transverse velocity stars in Gaia DR2 by Amarante, João A S, Smith, Martin C, Boeche, Corrado

“…ABSTRACT Although the stellar halo accounts for just ∼1 per cent of the total stellar mass of the Milky Way, the kinematics of halo stars encode valuable…”
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Using microlensed quasars to probe the structure of the Milky Way by Wang, Jian, Smith, Martin C.

“…This paper presents an investigation into the gravitational microlensing of quasars by stars and stellar remnants in the Milky Way. We present predictions for…”
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Chemodynamical properties of the Anticentre Stream: a surviving disc fossil from a past satellite interaction by Laporte, Chervin F P, Belokurov, Vasily, Koposov, Sergey E, Smith, Martin C, Hill, Vanessa

“…ABSTRACT Using Gaia second data release (DR2), we trace the Anticentre Stream (ACS) in various stellar populations across the sky and find that it is…”
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RESONANT ORBITS AND THE HIGH VELOCITY PEAKS TOWARD THE BULGE by Molloy, Matthew, Smith, Martin C., Evans, N. Wyn, Shen, Juntai

“…ABSTRACT We extract the resonant orbits from an N-body bar that is a good representation of the Milky Way, using the method recently introduced by Molloy et…”
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The velocity ellipsoid in the Galactic disc using Gaia DR1 by Anguiano, Borja, Majewski, Steven R., Freeman, Kenneth C., Mitschang, Arik W., Smith, Martin C.

“…Abstract The stellar velocity ellipsoid of the solar neighbour (d < 200 pc) is re-examined using intermediate-old mono-abundance stellar groups with…”
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The Lives of Stars: Insights from the TGAS-RAVE-LAMOST Data Set by Vickers, John J., Smith, Martin C.

“…In this paper, we investigate how the chemical and kinematic properties of stars vary as a function of age. Using data from a variety of photometric,…”
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A LAMOST BHB Catalog and Kinematics Therein. I. Catalog and Halo Properties by Vickers, John J., Li, Zhao-Yu, Smith, Martin C., Shen, Juntai

“…Abstract In this paper, we collect a sample of stars observed both in LAMOST and Gaia, which have colors implying a temperature hotter than 7000 K. We train a…”
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THE K GIANT STARS FROM THE LAMOST SURVEY DATA. I. IDENTIFICATION, METALLICITY, AND DISTANCE by Liu, Chao, Deng, Li-Cai, Carlin, Jeffrey L, Smith, Martin C, Li, Jing, Newberg, Heidi Jo, Gao, Shuang, Yang, Fan, Xue, Xiang-Xiang, Xu, Yan, Zhang, Yue-Yang, Xin, Yu, Wu, Yue, Jin, Ge

“…We present a support vector machine classifier to identify the K giant stars from the LAMOST survey directly using their spectral line features. The…”
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LAMOST observations in the K2 fields: project and observation progress by Fu, Jian Ning, Smith, Martin C., Zhang, Ru Yuan, Ren, An Bing, Shi, Jian Rong, Luo, A Li, Zhang, Hao Tong

“…To complement the time-series observations of the Kepler space mission in the K2 fields, spectroscopic observations for hundreds of thousands of stars in these…”
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Modelling the Galactic bar using OGLE-II red clump giant stars by Rattenbury, Nicholas J., Mao, Shude, Sumi, Takahiro, Smith, Martin C.

“…Red clump giant (RCG) stars can be used as distance indicators to trace the mass distribution of the Galactic bar. We use RCG stars from 44 bulge fields from…”
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RED RUNAWAYS II: LOW-MASS HILLS STARS IN SDSS STRIPE 82 by Zhang, Yanqiong, Smith, Martin C., Carlin, Jeffrey L.

“…ABSTRACT Stars ejected from the Galactic Center can be used to place important constraints on the Milky Way potential. Since existing hypervelocity stars are…”
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SELECTING M GIANTS WITH INFRARED PHOTOMETRY: DISTANCES, METALLICITIES, AND THE SAGITTARIUS STREAM by Li, Jing, Smith, Martin C., Zhong, Jing, Hou, Jinliang, Carlin, Jeffrey L., Newberg, Heidi Jo, Liu, Chao, Chen, Li, Li, Linlin, Shao, Zhengyi, Small, Emma, Tian, Hao

“…ABSTRACT Using a spectroscopically confirmed sample of M giants, M dwarfs, and quasars from the LAMOST survey, we assess how well Wide-field Infrared Survey…”
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RESONANT CLUMPING AND SUBSTRUCTURE IN GALACTIC DISKS by Molloy, Matthew, Smith, Martin C., Shen, Juntai, Evans, N. Wyn

“…ABSTRACT We describe a method to extract resonant orbits from N-body simulations, exploiting the fact that they close in frames rotating with a constant…”
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SLICING AND DICING THE MILKY WAY DISK IN THE SLOAN DIGITAL SKY SURVEY by Smith, Martin C, Whiteoak, S Hannah, Evans, N W

“…We use the Stripe 82 proper-motion catalog of Bramich et al. to study the kinematics of Galactic disk stars in the solar neighborhood. We select samples of…”
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Searching Extra-tidal Features around the Globular Cluster Whiting 1 by Nie, Jundan, Tian, Hao, Li, Jing, Liu, Chao, Smith, Martin C., Tang, Baitian, Carballo-Bello, Julio A., Ma, Jun, Tian, Haijun, Wang, Jiaxin, Wu, Zhenyu, Peng, Xiyan, Wang, Jiali, Zhang, Tianmeng, Zhou, Xu, Zhou, Zhimin, Zou, Hu

“…Abstract Whiting 1 is a faint and young globular cluster in the halo of the Milky Way, and was suggested to have originated in the Sagittarius spherical dwarf…”
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The Tilt of the Halo Velocity Ellipsoid and the Shape of the Milky Way Halo by Smith, Martin C, Wyn Evans, N, An, Jin H

“…A sample of ~1800 halo subdwarf stars with radial velocities and proper motions is assembled from Bramich et al.'s light-motion catalog of 2008. This is based…”
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