Search Results - "Amaral, L Antunes"

Pulsation in the white dwarf HE 1017−1352: confirmation of the class of hot DAV stars by Romero, Alejandra D, Antunes Amaral, L, Kepler, S O, Fraga, L, Kurtz, D, Shibahashi, H

“…ABSTRACT We report the detection of periodic variations on the $T_\mathrm{eff}\simeq 32\, 000$ K DA white dwarf star HE 1017−1352. We obtained time series…”
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Ground-based observation of ZZ Ceti stars and the discovery of four new variables by Romero, Alejandra D, Amaral, L Antunes, Klippel, T, Sanmartim, D, Fraga, L, Ourique, G, Pelisoli, I, Lauffer, G R, Kepler, S O, Koester, D

“…ABSTRACT We perform ground-based photometric observations of 22 DA white dwarf stars, 10 already known ZZ Cetis and 12 candidates with atmospheric parameters…”
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V838 Mon: A slow waking up of Sleeping Beauty? by Liimets, T, Kolka, I, Kraus, M, Eenmäe, T, Tuvikene, T, Augusteijn, T, Amaral, L. Antunes, Djupvik, A. A, Telting, J. H, Deshev, B, Kankare, E, Kankare, J, Lindberg, J. E, Amby, T. M, Pursimo, T, Somero, A, Thygesen, A, Strøm, P. A

“…A&A 670, A13 (2023) Context. V838 Monocerotis is a peculiar binary that underwent an immense stellar explosion in 2002, leaving behind an expanding cool…”
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Pulsation in the white dwarf HE 1017-1352: confirmation of the class of hot DAV stars by Romero, Alejandra D, Amaral, L. Antunes, Kepler, S. O, Fraga, L, Kurtz, D, Shibahashi, H

“…We report the detection of periodic variations on the T_eff ~32 000 K DA white dwarf star HE 1017-1352. We obtained time series photometry using the 4.1 m SOAR…”
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Ground based observation of ZZ Ceti stars and the discovery of four new variables by Romero, Alejandra D, Amaral, L. Antunes, Klippel, T, Sanmartim, D, Fraga, L, Ourique, G, Pelisoli, I, Lauffer, G. R, Kepler, S. O, Koester, D

“…We perform ground based photometric observations of 22 DA white dwarf stars, 10 already known ZZ Cetis and 12 candidates with atmospheric parameters inside the…”
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A 500 pc volume-limited sample of hot subluminous stars I. Space density, scale height, and population properties by Dawson, H, Geier, S, Heber, U, Pelisoli, I, Dorsch, M, Schaffenroth, V, Reindl, N, Culpan, R, Pritzkuleit, M, Vos, J, Soemitro, A. A, Roth, M. M, Schneider, D, Uzundag, M, Vučković, M, Amaral, L. Antunes, Istrate, A. G, Justham, S, Østensen, R. H, Telting, J. H, Djupvik, A. A, Raddi, R, Green, E. M, Jeffery, C. S, Kepler, S. O, Munday, J, Steinmetz, T, Kupfer, T

“…We present the first volume-limited sample of spectroscopically confirmed hot subluminous stars out to 500 pc, defined using the accurate parallax measurements…”
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The BlackGEM telescope array I: Overview by Groot, Paul J, Bloemen, S, Vreeswijk, P, van Roestel, J, Jonker, P. G, Nelemans, G, Klein-Wolt, M, Poole, R. Le, Pieterse, D, Rodenhuis, M, Boland, W, Haverkorn, M, Aerts, C, Bakker, R, Balster, H, Bekema, M, Dijkstra, E, Dolron, P, Elswijk, E, van Elteren, A, Engels, A, Fokker, M, de Haan, M, Hahn, F, ter Horst, R, Lesman, D, Kragt, J, Morren, J, Nillissen, H, Pessemier, W, de Rijke, A, Raskin, G, Scheers, L. H. A, Schuil, M, Timmer, S. T, Amaral, L. Antunes, Arancibia-Rojas, E, Arcavi, I, Blagorodnova, N, Biswas, S, Breton, R, Dawson, H, Dayal, P, De Wet, S, Duffy, C, Faris, S, Fausnaugh, M, Gal-Yam, A, Geier, S, Horesh, A, Johnston, C, Wijnands, R. A. D, Modiano, D, Katusiime, G, Kelley, C, Kosakowski, A, Kupfer, T, Leloudas, G, Mogawana, O, Munday, J, Paice, J. A, Patat, F, Pelisoli, I, Ramsay, G, Ranaivomanana, P. T, Ruiz-Carmona, R, Schaffenroth, V, Scaringi, S, Stoppa, F, Street, R, Tranin, H, Uzundag, M, Valenti, S, Veresvarska, M, Vuckovic, M, Wichern, H. C. I, Wijers, R. A. M. J, Zimmerman, E

“…The main science aim of the BlackGEM array is to detect optical counterparts to gravitational wave mergers. Additionally, the array will perform a set of…”
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