Zobrazeno 1 - 10 of 14 pro vyhledávání: '"P. V. Birch"'
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Akademický článek
The Involvement of CaV1.3 Channels in Prolonged Root Reflexes and Its Potential as a Therapeutic Target in Spinal Cord Injury
Autor: Mingchen C. Jiang, Derin V. Birch, Charles J. Heckman, Vicki M. Tysseling
Publikováno v: Frontiers in Neural Circuits, Vol 15 (2021)
Spinal cord injury (SCI) results in not only the loss of voluntary muscle control, but also in the presence of involuntary movement or spasms. These spasms post-SCI involve hyperexcitability in the spinal motor system. Hyperactive motor commands post
Externí odkaz: https://doaj.org/article/8904d028853d475389daf6af35d8203d
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2
Constraining the Evolution of ZZ Ceti
Autor: N. Dolez, Pawel Moskalik, R. L. Riddle, Minia Manteiga, Gerald Handler, O. Suárez, Antonio Kanaan, W. Ogloza, J. E. Solheim, D. Kilkenny, B. N. Ashoka, Jaymie M. Matthews, Jian-Ning Fu, R. E. Nather, J. Krzesinski, M. S. O’Brien, T. J. Ahrens, Luciano Fraga, R. R. Shobbrook, Mukremin Kilic, Paul A. Bradley, Joyce A. Guzik, Eran O. Ofek, S. J. Kleinman, A. F. M. Costa, M. Müller, Nicole M. Silvestri, Elia M. Leibowitz, Margarida S. Cunha, T. K. Watson, R. Kalytis, Souza Oliveira Kepler, M. Chevreton, Fergal Mullally, O. Giovannini, Pierre Bergeron, Santosh Joshi, K. Sekiguchi, D. Ališauskas, Gilles Fontaine, E. G. Meištas, Atsuko Nitta, T. von Hippel, Divas Sanwal, Staszek Zola, D. J. Sullivan, R. Janulis, Anjum S. Mukadam, Donald E Winget, Xiao-Jun Jiang, D. W. Kurtz, Donal O'Donoghue, Roberto Silvotti, P. V. Birch, E. W. Klumpe, F. Johannessen, G. Vauclair, D. W. Xu, T. Sullivan, Matt A. Wood, P. Ibbetson, Ana Ulla, Michael D. Reed, T. S. Metcalfe, J. M. Gonzalez-Perez, S. Bernabei, Steven D. Kawaler
Publikováno v: ResearcherID
Scopus-Elsevier
The Astrophysical Journal
The Astrophysical Journal, 2003, 594, pp.961-970. ⟨10.1086/377044⟩
Baltic Astronomy
Baltic Astronomy, 2003, 12, pp.71-103
CIÊNCIAVITAE
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
NASA Astrophysics Data System
We report our analysis of the stability of pulsation periods in the DAV star (pulsating hydrogen atmosphere white dwarf) ZZ Ceti, also called R548. On the basis of observations that span 31 years, we conclude that the period 213.13 s observed in ZZ C
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fec0fe35bd8b0a44ba7cfeedb8296f55
https://doi.org/10.1086/377044
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3
The p-mode spectrum of γ Equ (HR 8097)
Autor: David Mkrtichian, N. I. Dorokhov, T. N. Dorokhova, T. J. Kreidl, G. Roberts, Peter Martinez, Werner W. Weiss, M.J. Nelson, P. V. Birch
Publikováno v: Monthly Notices of the Royal Astronomical Society. 282:243-251
We present new high-speed photometric observations of the rapidly oscillating Ap (roAp) star ɣ Equ acquired on 26 nights during 1992, A frequency analysis of these observations reveals the presence of four p modes with frequencies of 1339, 1366, 139
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7abad5f27a26cddbaf7d338913af70d
https://doi.org/10.1093/mnras/282.1.243
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6
Amplitude and frequency variability of the pulsating DB white dwarf stars KUV 05134+2605 and PG 1654+160 observed with the Whole Earth Telescope
Autor: G. Handler, D. O'Donoghue, M. Muller, J.- E. Solheim, J. M. Gonzalez-Perez, F. Johannessen, M. Paparo, B. Szeidl, G. Viraghalmy, R. Silvotti, G. Vauclair, N. Dolez, E. Pallier, M. Chevreton, D. W. Kurtz, G. E. Bromage, M. S. Cunha, R. Ostensen, L. Fraga, A. Kanaan, A. Amorim, O. Giovannini, S. O. Kepler, A. F. M. Da Costa, R. F. Anderson, M. A. Wood, N. Silvestri, E. W. Klumpe, R. F. Carlton, R. H. Miller, J. P. McFarland, A. D. Grauer, S. D. Kawaler, R. L. Riddle, M. D. Reed, R. E. Nather, D. E. Winget, J. A. Hill, T. S. Metcalfe, A. S. Mukadam, M. Kilic, T. K. Watson, S. J. Kleinman, A. Nitta, J. A. Guzik, P. A. Bradley, K. Sekiguchi, D. J. Sullivan, T. Sullivan, R. R. Shobbrook, X. Jiang, P. V. Birch, B. N. Ashoka, S. Seetha, V. Girish, S. Joshi, T. N. Dorokhova, N. I. Dorokhov, M. C. Akan, E. G. Meistas, R. Janulis, R. Kalytis, D. Alisauskas, S. K. Anguma, P. C. Kalebwe, P. Moskalik, W. Ogloza, G. Stachowski, G. Pajdosz, S. Zola
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2003, 340, pp.1031-1038. ⟨10.1046/j.1365-8711.2003.06373.x⟩
WOS: 000182039700036
We have acquired new time series photometry of the two pulsating DB white dwarf stars KUV 05134+2605 and PG 1654+160 with the Whole Earth Telescope. Additional single-site photometry is also presented. We use all these data
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4b4d453520ff3d7c111917d22283b1f
http://arxiv.org/abs/astro-ph/0302124
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8
Asteroseismology of the DBV White Dwarf GD 358 with the Whole Earth Telescope
Autor: Judith L. Provencal, M. Candy, D.A. Buckleys, P. V. Birch, Pierre Bergeron, Carl J. Hansen, B. N. Ashoka, J. S. Dixson, S. J. Kleinman, G. Vauclair, Souza Oliveira Kepler, Matt A. Wood, A. D. Grauer, T. Augusteijn, Don Winget, D. O'Donoghue, M. Chevreton, Brian Warner, Paul A. Bradley, Chuck Claver, J. C. Clemens, Antonio Kanaan, T. M. K. Marar, R. E. Nather, P. Tripe, N. Doleza, Elia M. Leibowitz, B. P. Hine, S. Seetha
Publikováno v: International Astronomical Union Colloquium. 137:789-791
We report the analysis of 154 hours of nearly continuous high-speed photometric data on the pulsating DB white dwarf (DBV) GD 358 obtained during the Whole Earth Telescope (WET) run of May 1990. The Fourier transform (FT) of the light curve is domina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18a9e3a209d41d4a5abc55cd42ec7cc7
https://doi.org/10.1017/s0252921100018881
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9
Delta Scuti Network observations of XX Pyx : detection of 22 pulsation modes and of short-term amplitude and frequency variations
Autor: Christiaan Sterken, R. Medupe, Chuck Claver, T. Smith, Elia M. Leibowitz, T. E. Beach, Peter Martinez, P. J. Meintjes, Matt A. Wood, L. Crause, Terry D. Oswalt, N. E. Raj, J. E. S. Costa, Peter A. Ibbetson, Gerald Handler, Janus D. Brink, L. A. Balona, Joyce A. Guzik, B. N. Ashoka, R. R. Shobbrook, D. W. Kurtz, Darragh O'Donoghue, G. Lowe, P. V. Birch, Michel Breger, F. Podmore, A. Habanyama, T. Arentoft, P. Crake
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Scopus-Elsevier
We report multisite observations devoted to the main-sequence δ Scuti star XX Pyx, conducted as the 17th run of the Delta Scuti Network. Over 125 nights a total of 550 h of usable time-series photometric B- and V-filter data were acquired involving
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94635b498391eacecc95ee4db42882f3
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10
First Results of the 17th DSN Campaign: Photometry of XX Pyx
Autor: P. Martinez, Gerald Handler, G. Lowe, Chuck Claver, J. A. Guzik, P. J. Meintjes, Terry D. Oswalt, Elia M. Leibowitz, F. Podmore, T. Arentoft, L. A. Balona, C. Sterken, A. Habanyama, J. E. S. Costa, L. Crause, P. V. Birch, B. N. Ashoka, P. Crake, Janus D. Brink, Michel Breger, N. E. Raj, Matt A. Wood, R. R. Shobbrook, D. W. Kurtz, P. Ibbetson, T. E. Beach, T. Smith, R. Medupe
Publikováno v: International Astronomical Union Colloquium. 176:469-470
We present the first results from multi-site observations of the δ Scuti star XX Pyx (CD–24°7599). The observations were carried out as the 17th run of the Delta Scuti Network. We collected 583 hr of B, V time-series photometry, resulting in a de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::618e3923217a523a88e0b0f01386b98d
https://doi.org/10.1017/s0252921100058474
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