416 citations
- American Association of Variable Star ObserversUS44 papers
- Kyoto UniversityJP28 papers
- Vihorlat ObservatorySK25 papers
- Astronomical Institute of the Slovak Academy of SciencesSK24 papers
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6 papers · 1 filter
SN 2008S: A Cool Super-Eddington Wind in a Supernova Impostor
Nathan Smith, Mohan Ganeshalingam, Ryan Chornock +10
We present visual-wavelength photometry and spectroscopy of supernova SN2008S. Based on the low peak luminosity for a SN of M_R = -13.9 mag, photometric and spectral evolution unli…
A massive binary black-hole system in OJ287 and a test of general relativity
M. J. Valtonen, H. J. Lehto, K. Nilsson +23
Tests of Einstein's general theory of relativity have mostly been carried out in weak gravitational fields where the space-time curvature effects are first-order deviations from Ne…
SW Sextantis stars: the dominant population of CVs with orbital periods between 3-4 hours
P. Rodriguez-Gil, B. T. Gaensicke, H. -J. Hagen +15
[Abridged] We present time-series optical photometry of five new CVs identified by the Hamburg Quasar Survey. The eclipses observed in HS 0129+2933, HS 0220+0603, and HS 0455+8315…
The Recently-Discovered Dwarf Nova System ASAS J002511+1217.2: A New WZ Sagittae Star
M. R. Templeton, R. Leaman, P. Szkody +19
The cataclysmic variable ASAS J002511+1217.2 was discovered in outburst by the All-Sky Automated Survey in September 2004, and intensively monitored by AAVSO observers through the…
Low Luminosity Type II Supernovae: Spectroscopic and Photometric Evolution
A. Pastorello, L. Zampieri, M. Turatto +10
In this paper we present spectroscopic and photometric observations for four core collapse supernovae (SNe), namely SNe 1994N, 1999br, 1999eu and 2001dc. Together with SN 1997D, we…
The Risetime of Nearby Type Ia Supernovae
Adam G. Riess, Alexei V. Filippenko, Weidong Li +7
We present calibrated photometric measurements of the earliest detections of nearby type Ia supernovae (SNe Ia). The set of ~30 new, unfiltered CCD observations delineate the early…