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12 papers · 2 filters
Development of twist in an emerging magnetic flux tube by poloidal field accretion
P. Chatterjee, A. R. Choudhuri, K. Petrovay
Following an earlier proposal by Choudhuri (2003) for the origin of twist in the magnetic fields of solar active regions, we model the penetration of a wrapped up background poloid…
A new definition of the intermediate group of gamma-ray bursts
I. Horvath, L. G. Balazs, Z. Bagoly +2
Gamma-ray bursts can be divided into three groups ("short", "intermediate", "long") with respect to their durations. This classification is somewhat imprecise, since the subgroup o…
The stability of the terrestrial planets with a more massive "Earth"
Áron Süli, Rudolf Dvorak, Florian Freistetter
Although the long-term numerical integrations of planetary orbits indicate that our planetary system is dynamically stable at least +/- Gyr, the dynamics of our Solar System includ…
The triple-mode pulsating variable V823 Cas
J. Jurcsik, B. Szeidl, M. Váradi +6
Based on extended multicolour CCD photometry of the triple-mode radial pulsator V823 Cas we studied the properties of the coupling frequencies invoked by nonlinear processes. Our r…
A Gamma-Ray Bursts' Fluence-Duration Correlation
Istvan Horvath, Lajos G. Balazs, Peter Meszaros +2
We present an analysis indicating that there is a correlation between the fluences and the durations of gamma-ray bursts, and provide arguments that this reflects a correlation bet…
The Fourth Data Release of the Sloan Digital Sky Survey
J. K. Adelman-McCarthy et al.
This paper describes the fourth data release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through June 2004. The data release includes five-band…