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Whole earth telescope observations and seismological analysis of the cool zz ceti star gd 154
(1996) [Artículo de periódico]This paper presents the results of high speed photometric observations of the cool variable DA white dwarf (DAV) GD 154 obtained with the Whole Earth Telescope. GD 154 is one of the coolest pulsating DA white dwarfs and ... -
Whole Earth Telescope observations and seismological analysis of the pre-white dwarf pg 2131+066
(1995) [Artículo de periódico]As transition objects between the asymptotic giant branch (AGB) and cooling white dwarfs, the PG 1159 stars are key objects for understanding the late stages of stellar evolution. The pulsations exhibited by many members ... -
Whole earth telescope observations of am canum venaticorum-discoseismology at last
(1998) [Artículo de periódico]We report the results of 143.2 hours of time-series photometry over a 12 day period for AM CVn (= HZ 29) as part of the Whole Earth Telescope (WET) project.ˡ This star is believed to be an ultra-short period cataclysmic ... -
Whole Earth Telescope observations of BPM 37093 : a seismological test of crystallization theory in white dwarfs
(2005) [Artículo de periódico]BPM 37093 is the only hydrogen-atmosphere white dwarf currently known which has sufficient mass (~1.1 Mʘ) to theoretically crystallize while still inside the ZZ Ceti instability strip (Teff ~ 12 000 K). As a consequence, ... -
Whole Earth Telescope observations of the DAV white dwarf G226-29
(1995) [Artículo de periódico]We observed G226-29 for 121 hr in 1992 February and confirm the presence of the three previously identified frequencies close to 109 s. We find no evidence of other pulsation periods down to our noise level of about 0.35 ... -
Whole Earth Telescope observations of the DBV white dwarf GD 358
(1994) [Artículo de periódico]We report on the analysis of 154 hours of early continuous high-speed photometry on the pulsating DB white dwarf (DBV) GD 358, obtained during the Whole Earth Telescope (WET) run of 1990 May. The power spectrum of the light ... -
Whole Earth Telescope observations of the helium interacting binary PG 1346+082 (CR bootis)
(1997) [Artículo de periódico]We present our analysis of 240 hr of white-light, high-speed photometry of the dwarf nova-like helium variable PG 1346+082 (CR Boo). We identify two frequencies in the low-state power spectrum, at 679.670±0.004 μHz and ... -
Whole Earth Telescope observations of the hot helium atmosphere pulsating white dwarf EC 20058−5234
(2008) [Artículo de periódico]We present the analysis of a total of 177 h of high-quality optical time-series photometry of the helium atmosphere pulsating white dwarf (DBV) EC 20058−5234. The bulk of the observations (135 h) were obtained during a WET ... -
Whole earth telescope observations of the interacting binary white dwarf v803 cen in its low state
(1990) [Artículo de periódico]Using a network of observatories in the southern hemisphere, high-speed photometry of the interacting binary white dwarf (IBWD) V803 Cen in its low state is presented. Because of the faintness of the system, the 1611-s ... -
Whole earth telescope observations of the pulsating hot white dwarf PG 1707+427
(2004) [Artículo de periódico]We report on the analysis of multisite time-series photometry of the pulsating pre-white dwarf (GW Vir star) PG 1707+427, obtained by the Whole Earth Telescope collaboration. This is the last of the known GW Vir stars ... -
Whole Earth Telescope observations of the pulsating subdwarf B star PG 0014+067
(2006) [Artículo de periódico]PG 0014+067 is one of the most promising pulsating subdwarf B stars for seismic analysis, as it has a rich pulsation spectrum. The richness of its pulsations, however, poses a fundamental challenge to understanding the ... -
Whole Earth Telescope observations of the subdwarf B star KPD1930+2752 : a rich, short-period pulsator in a close binary
(2011) [Artículo de periódico]KPD 1930+2752 is a short-period pulsating subdwarf B (sdB) star. It is also an ellipsoidal variable with a known binary period of 2.3 h. The companion is most likely a white dwarf and the total mass of the system is close ... -
Whole Earth Telescope observations of the white dwarf G29-38 : phase variations of the 615 second period
(1990) [Artículo de periódico]Using an extensive set of high-speed photometric observations obtained with the Whole Earth Telescope network, we show that the complex light curve of the ZZ Ceti (DAV) star G29-38 is dominated by a single, constant amplitude ... -
Whole Earth Telescope observations of V471 Tauri : the nature of the white dwarf variations
(1992) [Artículo de periódico]We have conducted time-series photometric observations of the binary star V471 Tauri using the Whole Earth Telescope observing network. Our purpose was to determine the mechanism responsible for causing the 555 and 277 s ... -
Whole-genome sequencing-based characterization of Streptomyces sp. 6(4) : focus on natural product
(2023) [Artículo de periódico]We have sequenced the whole genome of Streptomyces sp. 6(4) isolated from tomato roots that presents antifungal activity against phytopathogenic fungi, mainly Bipolaris sorokiniana. The genome has almost 7Mb and 3368 ... -
Whom do customers blame for a service failure? : Effects of thought speed on causal locus attribution
(2018) [Artículo de periódico]This research investigates the impact of customers’ thought speeds in a service failure setting. Fast-thinking induces not only heuristic processing, but also positive affect. As both factors predict a different outcome ... -
WHOQOL-OLD assessment of quality of life in elderly patients with Parkinson’s disease: influence of sleep and depressive symptoms
(2010) [Artículo de periódico]Objetivo: A doença de Parkinson é uma enfermidade neurodegenerativa com diversas manifestações motoras e não-motoras que podem provocar impacto na qualidade de vida. Este estudo teve como objetivo avaliar a qualidade de ... -
Who seeks public treatment for substance abuse in Brazil? results of a multicenter study involving four Brazilian state capitals
(2014) [Artículo de periódico]Objective: To assess the characteristics of alcohol and drug users who seek treatment at the Brazilian Unified Health System in Brazil. Method: A multicenter cross-sectional study involving five clinical and research centers ... -
Why are you doing mail art? dois momentos da arte postal (1979 | 2016) e alguns trajetos da rede eterna
(2017) [Tesinas de grado]Esta pesquisa parte da convocatória internacional de arte postal Poste Restante, organizada em 1979 pelo britânico Michael Scott, dentro da qual o brasileiro, então radicado na Holanda, Claudio Goulart, propôs uma pergunta ... -
"Why caipirinha?" : the online via chat laddering technique can answer
(2011) [Artículo de periódico]As customers are becoming increasingly connected to the internet, this means that they are available for online interviews, thus opening up a space for investigating research methods, especially qualitative research, in ...
