I.XXII. Gramineae novae. X
نویسندگان
چکیده
منابع مشابه
Swift X - Ray Observations of Classical Novae
The new γ-ray burst (GRB) mission Swift has obtained pointed observations of several classical novae in outburst. We analyzed all the observations of classical novae from the Swift archive up to 30 June, 2006. We analyzed usable observations of 12 classical novae and found 4 non-detections, 3 weak sources and 5 strong sources. This includes detections of 2 novae exhibiting spectra resembling th...
متن کاملRecurrent Novae , Classical Novae , Symbiotic Novae , and Population II
Light curve analysis of decay phase of nova outburst are summarized. Nova duration is determined by the strong wind mass-loss which depends only on the white dwarf mass. Fast novae correspond very massive white dwarfs and very slow novae correspond almost lower mass limit of white dwarfs. This relation is shown in both of classical novae and recurrent novae. Light curves are theoretically repro...
متن کاملX-ray Novae, Event Horizons and the Exponential Metric
Recent models based on General Relativity attribute important spectral features of some accreting neutron stars to their surfaces and ”gap accretion” while observations of x-ray novae indicate a surprising lack of distinguishing spectral characteristics between these neutron stars and black hole candidates. The shared spectral characteristics strongly suggest that both have surfaces without eve...
متن کاملNovae as a Class of Transient X-ray Sources
Motivated by the recently discovered class of faint (10–10 ergs s) X-ray transients in the Galactic Center region, we investigate the 2–10 keV properties of classical and recurrent novae. Existing data are consistent with the idea that all classical novae are transient X-ray sources with durations of months to years and peak luminosities in the 10–10 ergs s range. This makes classical novae a v...
متن کاملResolved Jets and Long-Period Black Hole X-ray Novae
In this brief note we point out that the four spatially resolved relativistic jets among the 14 dynamically confirmed black hole X-ray novae are all in systems with long orbital periods. Many shorter period systems show transient radio outbursts which are attributed to jets, but these jets have not been spatially resolved. Super-Eddington accretion has been suggested as a requirement for jet fo...
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ژورنال
عنوان ژورنال: Repertorium novarum specierum regni vegetabilis
سال: 1913
ISSN: 0375-121X
DOI: 10.1002/fedr.19130122502