Search Results - "Casey, A R"

The lowest detected stellar Fe abundance: the halo star SMSS J160540.18−144323.1 by Nordlander, T, Bessell, M S, Da Costa, G S, Mackey, A D, Asplund, M, Casey, A R, Chiti, A, Ezzeddine, R, Frebel, A, Lind, K, Marino, A F, Murphy, S J, Norris, J E, Schmidt, B P, Yong, D

“…ABSTRACT We report the discovery of SMSS J160540.18−144323.1, a new ultra metal-poor halo star discovered with the SkyMapper telescope. We measure $\left[\rm…”
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The SkyMapper DR1.1 search for extremely metal-poor stars by Da Costa, G S, Bessell, M S, Mackey, A D, Nordlander, T, Asplund, M, Casey, A R, Frebel, A, Lind, K, Marino, A F, Murphy, S J, Norris, J E, Schmidt, B P, Yong, D

“…ABSTRACT We present and discuss the results of a search for extremely metal-poor stars based on photometry from data release DR1.1 of the SkyMapper imaging…”
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High-resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1 by Yong, D, Da Costa, G S, Bessell, M S, Chiti, A, Frebel, A, Gao, X, Lind, K, Mackey, A D, Marino, A F, Murphy, S J, Nordlander, T, Asplund, M, Casey, A R, Kobayashi, C, Norris, J E, Schmidt, B P

“…ABSTRACT We present chemical abundances for 21 elements (from Li to Eu) in 150 metal-poor Galactic stars spanning −4.1 < [Fe/H] < −2.1. The targets were…”
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Extremely metal-poor stars from the cosmic dawn in the bulge of the Milky Way by Howes, L. M., Casey, A. R., Asplund, M., Keller, S. C., Yong, D., Nataf, D. M., Poleski, R., Lind, K., Kobayashi, C., Owen, C. I., Ness, M., Bessell, M. S., Da Costa, G. S., Schmidt, B. P., Tisserand, P., Udalski, A., Szymański, M. K., Soszyński, I., Pietrzyński, G., Ulaczyk, K., Wyrzykowski, Ł., Pietrukowicz, P., Skowron, J., Kozłowski, S., Mróz, P.

“…The first stars and their immediate successors should be found today in the central regions (bulges) of galaxies; old, metal-poor stars have now been found in…”
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Inter-dog aggression in a UK owner survey: prevalence, co-occurrence in different contexts and risk factors by Casey, R. A., Loftus, B., Bolster, C., Richards, G. J., Blackwell, E. J.

“…Aggression between dogs is common and can result in injury. The aims of this study were to estimate prevalence, evaluate co-occurrence with human-directed…”
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The Gaia-ESO Survey: matching chemodynamical simulations to observations of the Milky Way by Thompson, B. B., Few, C. G., Bergemann, M., Gibson, B. K., MacFarlane, B. A., Serenelli, A., Gilmore, G., Randich, S., Vallenari, A., Alfaro, E. J., Bensby, T., Francois, P., Korn, A. J., Bayo, A., Carraro, G., Casey, A. R., Costado, M. T., Donati, P., Franciosini, E., Frasca, A., Hourihane, A., Jofré, P., Hill, V., Heiter, U., Koposov, S. E., Lanzafame, A., Lardo, C., de Laverny, P., Lewis, J., Magrini, L., Marconi, G., Masseron, T., Monaco, L., Morbidelli, L., Pancino, E., Prisinzano, L., Recio-Blanco, A., Sacco, G., Sousa, S. G., Tautvaišienė, G., Worley, C. C., Zaggia, S.

“…Abstract The typical methodology for comparing simulated galaxies with observational surveys is usually to apply a spatial selection to the simulation to mimic…”
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Galactic Doppelgängers: The Chemical Similarity Among Field Stars and Among Stars with a Common Birth Origin by Ness, M., Rix, H-W., Hogg, David W., Casey, A. R., Holtzman, J., Fouesneau, M., Zasowski, G., Geisler, D., Shetrone, M., Minniti, D., Frinchaboy, Peter M., Roman-Lopes, Alexandre

“…We explore to what extent stars within Galactic disk open clusters resemble each other in the high-dimensional space of their photospheric element abundances…”
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The mass distribution of Population III stars by Fraser, M., Casey, A. R., Gilmore, G., Heger, A., Chan, C.

“…Abstract Extremely metal-poor (EMP) stars are uniquely informative on the nature of massive Population III stars. Modulo a few elements that vary with stellar…”
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r-Process elements from magnetorotational hypernovae by Yong, D., Kobayashi, C., Da Costa, G. S., Bessell, M. S., Chiti, A., Frebel, A., Lind, K., Mackey, A. D., Nordlander, T., Asplund, M., Casey, A. R., Marino, A. F., Murphy, S. J., Schmidt, B. P.

“…Neutron-star mergers were recently confirmed as sites of rapid-neutron-capture (r-process) nucleosynthesis 1 – 3 . However, in Galactic chemical evolution…”
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The GALAH survey: scientific motivation by De Silva, G. M., Freeman, K. C., Bland-Hawthorn, J., Martell, S., de Boer, E. Wylie, Asplund, M., Keller, S., Sharma, S., Zucker, D. B., Zwitter, T., Anguiano, B., Bacigalupo, C., Bayliss, D., Beavis, M. A., Bergemann, M., Campbell, S., Cannon, R., Carollo, D., Casagrande, L., Casey, A. R., Da Costa, G., D'Orazi, V., Dotter, A., Duong, L., Heger, A., Ireland, M. J., Kafle, P. R., Kos, J., Lattanzio, J., Lewis, G. F., Lin, J., Lind, K., Munari, U., Nataf, D. M., O'Toole, S., Parker, Q., Reid, W., Schlesinger, K. J., Sheinis, A., Simpson, J. D., Stello, D., Ting, Y.-S., Traven, G., Watson, F., Wittenmyer, R., Yong, D., Žerjal, M.

“…The Galactic Archaeology with HERMES (GALAH) survey is a large high-resolution spectroscopic survey using the newly commissioned High Efficiency and Resolution…”
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Exploring the Galaxy’s halo and very metal-weak thick disc with SkyMapper and Gaia DR2 by Cordoni, G, Da Costa, G S, Yong, D, Mackey, A D, Marino, A F, Monty, S, Nordlander, T, Norris, J E, Asplund, M, Bessell, M S, Casey, A R, Frebel, A, Lind, K, Murphy, S J, Schmidt, B P, Gao, X D, Xylakis-Dornbusch, T, Amarsi, A M, Milone, A P

“…ABSTRACT In this work, we combine spectroscopic information from the SkyMapper survey for Extremely Metal-Poor stars and astrometry from Gaia DR2 to…”
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The GALAH survey: observational overview and Gaia DR1 companion by Martell, S L, Sharma, S, Buder, S, Duong, L, Schlesinger, K J, Simpson, J, Lind, K, Ness, M, Marshall, J P, Asplund, M, Bland-Hawthorn, J, Casey, A R, DeSilva, G, Freeman, K C, Kos, J, Lin, J, Zucker, D B, Zwitter, T, Anguiano, B, Bacigalupo, C, Carollo, D, Casagrande, L, DaCosta, G S, Horner, J, Huber, D, Hyde, E A, Kafle, P R, Lewis, G F, Nataf, D, Navin, C A, Stello, D, Tinney, C G, Watson, F G, Wittenmyer, R

“…The Galactic Archaeology with HERMES (GALAH) survey is a massive observational project to trace the Milky Way's history of star formation, chemical enrichment,…”
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The southern stellar stream spectroscopic survey (S5): Overview, target selection, data reduction, validation, and early science by Li, T S, Koposov, S E, Zucker, D B, Lewis, G F, Kuehn, K, Simpson, J D, Ji, A P, Shipp, N, Mao, Y-Y, Geha, M, Pace, A B, Mackey, A D, Allam, S, Tucker, D L, Da Costa, G S, Erkal, D, Simon, J D, Mould, J R, Martell, S L, Wan, Z, De Silva, G M, Bechtol, K, Balbinot, E, Belokurov, V, Bland-Hawthorn, J, Casey, A R, Cullinane, L, Drlica-Wagner, A, Sharma, S, Vivas, A K, Wechsler, R H, Yanny, B

“…ABSTRACT We introduce the southern stellar stream spectroscopy survey (S5), an on-going program to map the kinematics and chemistry of stellar streams in the…”
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The Gaia-ESO Survey: empirical estimates of stellar ages from lithium equivalent widths (eagles) by Jeffries, R D, Jackson, R J, Wright, Nicholas J, Weaver, G, Gilmore, G, Randich, S, Bragaglia, A, Korn, A J, Smiljanic, R, Biazzo, K, Casey, A R, Frasca, A, Gonneau, A, Guiglion, G, Morbidelli, L, Prisinzano, L, Sacco, G G, Tautvaišienė, G, Worley, C C, Zaggia, S

“…ABSTRACT We present an empirical model of age-dependent photospheric lithium depletion, calibrated using a large homogeneously analysed sample of 6200 stars in…”
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The GALAH survey: tracing the Galactic disc with open clusters by Spina, L, Ting, Y-S, De Silva, G M, Frankel, N, Sharma, S, Cantat-Gaudin, T, Joyce, M, Stello, D, Karakas, A I, Asplund, M B, Nordlander, T, Casagrande, L, D’Orazi, V, Casey, A R, Cottrell, P, Tepper-García, T, Baratella, M, Kos, J, Čotar, K, Bland-Hawthorn, J, Buder, S, Freeman, K C, Hayden, M R, Lewis, G F, Lin, J, Lind, K, Martell, S L, Schlesinger, K J, Simpson, J D, Zucker, D B, Zwitter, T

“…ABSTRACT Open clusters are unique tracers of the history of our own Galaxy’s disc. According to our membership analysis based on Gaia astrometry, out of the…”
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The Gaia-ESO Survey: lithium depletion in the Gamma Velorum cluster and inflated radii in low-mass pre-main-sequence stars by Jeffries, R D, Jackson, R J, Franciosini, E, Randich, S, Barrado, D, Frasca, A, Klutsch, A, Lanzafame, A C, Prisinzano, L, Sacco, G G, Gilmore, G, Vallenari, A, Alfaro, E J, Koposov, S E, Pancino, E, Bayo, A, Casey, A R, Costado, M T, Damiani, F, Hourihane, A, Lewis, J, Jofre, P, Magrini, L, Monaco, L, Morbidelli, L, Worley, C C, Zaggia, S, Zwitter, T

“…We show that non-magnetic models for the evolution of pre-main-sequence (PMS) stars cannot simultaneously describe the colour-magnitude diagram (CMD) and the…”
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The Gaia-ESO Survey: evidence of atomic diffusion in M67? by Bertelli Motta, C, Pasquali, A, Richer, J, Michaud, G, Salaris, M, Bragaglia, A, Magrini, L, Randich, S, Grebel, E K, Adibekyan, V, Blanco-Cuaresma, S, Drazdauskas, A, Fu, X, Martell, S, Tautvaišienė, G, Gilmore, G, Alfaro, E J, Bensby, T, Flaccomio, E, Koposov, S E, Korn, A J, Lanzafame, A C, Smiljanic, R, Bayo, A, Carraro, G, Casey, A R, Costado, M T, Damiani, F, Franciosini, E, Heiter, U, Hourihane, A, Jofré, P, Lardo, C, Lewis, J, Monaco, L, Morbidelli, L, Sacco, G G, Sousa, S G, Worley, C C, Zaggia, S

“…ABSTRACT Investigating the chemical homogeneity of stars born from the same molecular cloud at virtually the same time is very important for our understanding…”
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Infrared colours and inferred masses of metal-poor giant stars in the Kepler field by Casey, A R, Kennedy, G M, Hartle, T R, Schlaufman, Kevin C

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Relationship between aggressive and avoidance behaviour by dogs and their experience in the first six months of life by Appleby, D. L., Bradshaw, J. W. S., Casey, R. A.

“…The early experiences of dogs showing signs of avoidance behaviour or aggression were compared with those of dogs from the same clinical population that did…”
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Incidence of Methicillin-Resistant Staphylococcus aureus Causing Chronic Rhinosinusitis by Manarey, Casey R. A., Anand, Vijay K., Huang, Clark

“…Objective/Hypothesis: To identify the incidence of methicillin‐resistant Staphylococcus aureus (MRSA) causing chronic rhinosinusitis (CRS) and identify whether…”
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