منابع مشابه
Quark-Hadron Phase Transitions in Young and Old Neutron Stars
The mixed phase of quarks and hadrons which might exist in the dense matter encountered in the varying conditions of temperature and trapped neutrino fraction in proto-neutron stars is studied. The extent that the mixed phase depends upon the thermodynamical parameters as well as on the stiffness of matter in the hadronic and quark phases is discussed. We show that hadronic equations of state t...
متن کاملEuv Flare Activity in Late-type Stars
Extreme Ultraviolet Explorer Deep Survey observations of cool stars (spectral type F to M) have been used to investigate the distribution of coronal flare rates in energy and its relation to activity indicators and rotation parameters. Cumulative and differential flare rate distributions were constructed and fitted with different methods. Power laws are found to approximately describe the distr...
متن کاملDiscourse of young and old women in Iranian families
In this study, the researcher attempted to addresses the relationships within the family from the perspective of relationships between two generations: old women, and young women. What discourses are subject to these relationships and are these discourses close together or considered as obvious sign of the gap between the two generations? The method used by researcher was taking advantage of th...
متن کاملPlanets of young stars
Since the first massive planet in a short period orbit was discovered, the question arised how such an object could have formed. There are basically two formation scenarios: migration due to planet-disk or planet-planet interaction. Which of the two scenarios is more realistic can be found out by observing short-period planets of stars with an age between 10 and 10 yrs. The second aim of the su...
متن کاملRadioquiet isolated neutron stars : old and young , nearby and far away , dim and very dim
We briefly discuss the evolutionary path and observational appearance of isolated neutron stars (INSs) focusing on radioquiet objects. There are many reasons to believe that these sources are extremely elusive once the star surface has cooled down: their high spatial velocities, the long propeller stage and/or the very low accretion efficiency. We describe recent population synthesis models of ...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1995
ISSN: 0252-9211
DOI: 10.1017/s025292110003459x