Search Results - "Platais, I."

The search for multiple populations in Magellanic Cloud clusters -- IV. Coeval multiple stellar populations in the young star cluster NGC 1978 by Martocchia, S, Niederhofer, F, Dalessandro, E, Bastian, N, Kacharov, N, Usher, C, Cabrera-Ziri, I, Lardo, C, Cassisi, S, Geisler, D, Hilker, M, Hollyhead, K, Kozhurina-Platais, V, Larsen, S, Mackey, D, Mucciarelli, A, Platais, I, Salaris, M

“…Abstract We have recently shown that the ∼2 Gyr old Large Magellanic Cloud star cluster NGC 1978 hosts multiple populations in terms of star-to-star abundance…”
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The search for multiple populations in Magellanic Cloud clusters – II. The detection of multiple populations in three intermediate-age SMC clusters by Niederhofer, F, Bastian, N, Kozhurina-Platais, V, Larsen, S, Hollyhead, K, Lardo, C, Cabrera-Ziri, I, Kacharov, N, Platais, I, Salaris, M, Cordero, M, Dalessandro, E, Geisler, D, Hilker, M, Li, C, Mackey, D, Mucciarelli, A

“…This is the second paper in our series about the search for multiple populations in Magellanic Cloud star clusters using the Hubble Space Telescope. Here we…”
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The search for multiple populations in Magellanic Clouds clusters – V. Correlation between cluster age and abundance spreads by Martocchia, S, Dalessandro, E, Lardo, C, Cabrera-Ziri, I, Bastian, N, Kozhurina-Platais, V, Salaris, M, Chantereau, W, Geisler, D, Hilker, M, Kacharov, N, Larsen, S, Mucciarelli, A, Niederhofer, F, Platais, I, Usher, C

“…ABSTRACT In our HST photometric survey, we have been searching for multiple stellar populations (MPs) in Magellanic Clouds (MCs) massive star clusters which…”
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The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters – XVII. Public Catalogue Release by Nardiello, D, Libralato, M, Piotto, G, Anderson, J, Bellini, A, Aparicio, A, Bedin, L R, Cassisi, S, Granata, V, King, I R, Lucertini, F, Marino, A F, Milone, A P, Ortolani, S, Platais, I, van der Marel, R P

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Age as a major factor in the onset of multiple populations in stellar clusters by Martocchia, S., Cabrera-Ziri, I., Lardo, C., Dalessandro, E., Bastian, N., Kozhurina-Platais, V., Usher, C., Niederhofer, F., Cordero, M., Geisler, D., Hollyhead, K., Kacharov, N., Larsen, S., Li, C., Mackey, D., Hilker, M., Mucciarelli, A., Platais, I., Salaris, M.

“…It is now well established that globular clusters (GCs) exhibit star-to-star light-element abundance variations (known as multiple populations, MPs). Such…”
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The search for multiple populations in Magellanic Cloud clusters – I. Two stellar populations in the Small Magellanic Cloud globular cluster NGC 121 by Niederhofer, F, Bastian, N, Kozhurina-Platais, V, Larsen, S, Salaris, M, Dalessandro, E, Mucciarelli, A, Cabrera-Ziri, I, Cordero, M, Geisler, D, Hilker, M, Hollyhead, K, Kacharov, N, Lardo, C, Li, C, Mackey, D, Platais, I

“…We started a photometric survey using the WFC3/UVIS instrument onboard the Hubble Space Telescope to search for multiple populations within Magellanic Cloud…”
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The effects of stellar rotation along the main sequence of the 100-Myr-old massive cluster NGC 1850 by Kamann, S, Saracino, S, Bastian, N, Gossage, S, Usher, C, Baade, D, Cabrera-Ziri, I, de Mink, S E, Ekstrom, S, Georgy, C, Hilker, M, Larsen, S S, Mackey, D, Niederhofer, F, Platais, I, Yong, D

“…ABSTRACT Young star clusters enable us to study the effects of stellar rotation on an ensemble of stars of the same age and across a wide range in stellar mass…”
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How stellar rotation shapes the colour−magnitude diagram of the massive intermediate-age star cluster NGC 1846 by Kamann, S, Bastian, N, Gossage, S, Baade, D, Cabrera-Ziri, I, Da Costa, G, de Mink, S E, Georgy, C, Giesers, B, Göttgens, F, Hilker, M, Husser, T-O, Lardo, C, Larsen, S S, Mackey, D, Martocchia, S, Mucciarelli, A, Platais, I, Roth, M M, Salaris, M, Usher, C, Yong, D

“…ABSTRACT We present a detailed study of stellar rotation in the massive 1.5 Gyr old cluster NGC 1846 in the Large Magellanic Cloud. Similar to other clusters…”
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An extragalactic chromosome map: the intermediate-age SMC cluster Lindsay 1 by Saracino, S, Bastian, N, Kozhurina-Platais, V, Cabrera-Ziri, I, Dalessandro, E, Kacharov, N, Lardo, C, Larsen, S S, Mucciarelli, A, Platais, I, Salaris, M

“…ABSTRACT The discovery of star-to-star abundance variations (a.k.a. multiple populations – MPs) within globular clusters (GCs), which are generally not found…”
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Chromosome maps of young LMC clusters: an additional case of coeval multiple populations by Saracino, S, Martocchia, S, Bastian, N, Kozhurina-Platais, V, Chantereau, W, Salaris, M, Cabrera-Ziri, I, Dalessandro, E, Kacharov, N, Lardo, C, Larsen, S S, Platais, I

“…ABSTRACT Recent studies have revealed that the multiple populations (MPs) phenomenon does not occur only in ancient and massive Galactic globular clusters…”
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The blue straggler V106 in NGC 6791: a prototype progenitor of old single giants masquerading as young by Brogaard, K, Christiansen, S M, Grundahl, F, Miglio, A, Izzard, R G, Tauris, T M, Sandquist, E L, VandenBerg, D A, Jessen-Hansen, J, Arentoft, T, Bruntt, H, Frandsen, S, Orosz, J A, Feiden, G A, Mathieu, R, Geller, A, Shetrone, M, Ryde, N, Stello, D, Platais, I, Meibom, S

“…We determine the properties of the binary star V106 in the old open cluster NGC 6791. We identify the system to be a blue straggler cluster member by using a…”
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High-precision astrometry with VVV – I. An independent reduction pipeline for VIRCAM@VISTA by Libralato, M., Bellini, A., Bedin, L. R., Anderson, J., Piotto, G., Nascimbeni, V., Platais, I., Minniti, D., Zoccali, M.

“…We present a new reduction pipeline for the VIRCAM@VISTA detector and describe the method developed to obtain high-precision astrometry with the VISTA…”
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Leveraging HST with MUSE: II. Na-abundance variations in intermediate age star clusters by Martocchia, S, Kamann, S, Saracino, S, Usher, C, Bastian, N, Rejkuba, M, Latour, M, Lardo, C, Cabrera-Ziri, I, Dreizler, S, Kacharov, N, Kozhurina-Platais, V, Larsen, S, Mancino, S, Platais, I, Salaris, M

“…ABSTRACT Ancient (>10 Gyr) globular clusters (GCs) show chemical abundance variations in the form of patterns among certain elements, e.g. N correlates with Na…”
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Space astrometry of the very massive ∼150 M⊙ candidate runaway star VFTS682 by Renzo, M, de Mink, S E, Lennon, D J, Platais, I, van der Marel, R P, Laplace, E, Bestenlehner, J M, Evans, C J, Hénault-Brunet, V, Justham, S, de Koter, A, Langer, N, Najarro, F, Schneider, F R N, Vink, J S

“…ABSTRACT How very massive stars form is still an open question in astrophysics. VFTS682 is among the most massive stars known, with an inferred initial mass of…”
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A randomized controlled trial comparing repeat doses of 400 mcg sublingual to buccal misoprostol after mifepristone for termination of pregnancy 13–21 weeks by Dabash, R, Chong, E, Bracken, H, Tsereteli, T, Abrahamyan, R, Hajri, S, Karki, C, Sfar, E, Kurbanbekova, D, Bajracharya, J, Sadikova, D, Shochet, T, Platais, I, Tan, Y.L, Murtagh, C, Winikoff, B

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Use of a semiquantitative pregnancy test (SQPT) for medical abortion follow-up by Shochet, T, Blum, J, Blumenthal, P.D, Bracken, H, Dabash, R, Platais, I, Sheldon, W, Winikoff, B

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A deep proper-motion survey of the nearby open cluster Blanco 1 by Platais, I., Girard, T. M., Vieira, K., López, C. E., Loomis, C., McLean, B. J., Pourbaix, D., Moraux, E., Mermilliod, J.-C., James, D. J., Cargile, P. A., Barnes, S. A., Castillo, D. J.

“…We provide two comprehensive catalogues of positions and proper motions in the area of open cluster Blanco 1. The main catalogue, CtlgM, contains 6271 objects…”
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Trumpler 20 - an old and rich open cluster by Platais, I., Melo, C., Fulbright, J. P., Kozhurina-Platais, V., Figueira, P., Barnes, S. A., Méndez, R. A.

“…ABSTRACT We show that the open cluster Trumpler 20, contrary to the earlier findings, is actually an old Galactic open cluster. New CCD photometry and…”
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The extended gestational age medical abortion study: the effectiveness of medical abortion with 200 mg mifepristone and 400 mcg sublingual misoprostol at 57–63 days vs. 64–70 days gestation by Bracken, H, Attia, M.B, Chelli, H, Dabash, R, Hajri, S, Mundle, S, Platais, I, Posohova, S, Raghavan, S, Shah, M, Swica, Y, Tsereteli, T, Tsertsvadze, G, Winikoff, B, Zerarmdini, D

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The search for multiple populations in Magellanic Cloud Clusters – III. No evidence for multiple populations in the SMC cluster NGC 419 by Martocchia, S., Bastian, N., Usher, C., Kozhurina-Platais, V., Niederhofer, F., Cabrera-Ziri, I., Dalessandro, E., Hollyhead, K., Kacharov, N., Lardo, C., Larsen, S., Mucciarelli, A., Platais, I., Salaris, M., Cordero, M., Geisler, D., Hilker, M., Li, C., Mackey, D.

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