scholarly journals Long-term photometry of the eclipsing dwarf nova V893 Scorpii

2014 ◽  
Vol 566 ◽  
pp. A101 ◽  
Author(s):  
Albert Bruch
Keyword(s):  
Dwarf Nova

Long-term optical photometry of the dwarf nova VW Hyi

1987 ◽  
Vol 130 (1-2) ◽  
pp. 127-134
Author(s):  
S. F. Van Amerongen ◽  
J. Van Paradijs
Keyword(s):  
Optical Photometry ◽  
Dwarf Nova

Long-Term Activity of a Little Known Dwarf Nova DT Octantis

2019 ◽  
Vol 74 (4) ◽  
pp. 490-496
Author(s):  
V. Šimon ◽  
H. Edelmann
Keyword(s):  
Dwarf Nova

scholarly journals Time Dependence of the UV Resonance Lines in the Cataclysmic Variable Star VW Hyi

1995 ◽  
Vol 151 ◽  
pp. 280-281
Author(s):  
M.T. Özkan ◽  
T. Ak ◽  
A.T. Saygac ◽  
H.H. Esenoglu ◽  
S. Guler
Keyword(s):  
Time Dependence ◽  
Variable Star ◽  
Cataclysmic Variable ◽  
Data Archive ◽  
Line Profiles ◽  
Dwarf Nova ◽  
International Ultraviolet Explorer

AbstractIn this work, we study orbital variations in the ultraviolet resonance lines of the SU UMa type dwarf nova VW Hyi examining spectra in the data archive of the International Ultraviolet Explorer (IUE). We show that VW Hyi exhibits an orbital and long term variability in terms of UV line profiles and continuum flux at 1450 Å during superoutburst.

scholarly journals Long-Term Optical Photometry of the Dwarf Nova VW Hyi

1987 ◽  
Vol 93 ◽  
pp. 127-134
Author(s):  
S.F. Van Amerongen ◽  
J. Van Paradijs
Keyword(s):  
Secular Change ◽  
Optical Photometry ◽  
Dwarf Nova ◽  
Upper Limits

AbstractLong-term five-colour photometry of the dwarf nova VW Hyi shows no evidence for a secular change of the flux during the quiescent interval between normal outbursts (3σ upper limits between 0.16 and 0.20 mag in the five passbands). However, the amplitudes in the orbital B-U and U-W colour curves change during quiescence. A delay in the progress of normal outbursts toward higher frequencies confirms the delay, seen with IUE, in the onset of a normal outburst toward higher frequencies. Just after outburst, the system is substantially bluer than later in quiescence.

scholarly journals Long-term photometric behavior of the eclipsing Z Cam-type dwarf nova AY Psc

2017 ◽  
Vol 17 (6) ◽  
pp. 056 ◽  
Author(s):  
Zhong-Tao Han ◽  
Sheng-Bang Qian ◽  
Irina Voloshina ◽  
Li-Ying Zhu
Keyword(s):  
Dwarf Nova

scholarly journals LONG-TERM DECREASE AND CYCLIC VARIATION IN THE ORBITAL PERIOD OF THE ECLIPSING DWARF NOVA V2051 OPH

2015 ◽  
Vol 221 (1) ◽  
pp. 17 ◽  
Author(s):  
S. B. Qian ◽  
Z. T. Han ◽  
E. Fernández Lajús ◽  
L. Y. Zhu ◽  
L. J. Li ◽  
...  
Keyword(s):  
Orbital Period ◽  
Cyclic Variation ◽  
Dwarf Nova

scholarly journals Long-Term Monitoring of the Short Period SU UMa-Type Dwarf Nova, V844 Herculis

2007 ◽  
Vol 59 (3) ◽  
pp. 643-651 ◽  
Author(s):  
Shota Oizumi ◽  
Toshihiro Omodaka ◽  
Hiroyuki Yamamoto ◽  
Shunsuke Tanada ◽  
Tatsuki Yasuda ◽  
...  
Keyword(s):  
Dwarf Nova ◽  
Short Period ◽  
Long Term Monitoring ◽  
Term Monitoring

Therapy and prevention for mental health: What if mental diseases are mostly not brain disorders?

2019 ◽  
Vol 42 ◽  
Author(s):  
John P. A. Ioannidis
Keyword(s):  
Mental Health ◽  
Mental Disease ◽  
Brain Disorders ◽  
Social Stressors ◽  
Labor Education ◽  
Mental Diseases ◽  
Long Term Follow Up ◽  
Political Decisions

AbstractNeurobiology-based interventions for mental diseases and searches for useful biomarkers of treatment response have largely failed. Clinical trials should assess interventions related to environmental and social stressors, with long-term follow-up; social rather than biological endpoints; personalized outcomes; and suitable cluster, adaptive, and n-of-1 designs. Labor, education, financial, and other social/political decisions should be evaluated for their impacts on mental disease.

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