Recurrent Novae — A Review

In recent years, recurrent nova eruptions are often observed very intensely in wide range of wavelengths from radio to optical to X-rays. Here I present selected highlights from recent multi-wavelength observations. The enigma of T Pyx is at the heart of this paper. While our current understanding o...

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Main Author: K. Mukai
Format: Article
Language:English
Published: CTU Central Library 2015-02-01
Series:Acta Polytechnica CTU Proceedings
Online Access:https://ojs.cvut.cz/ojs/index.php/APP/article/view/2911
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author K. Mukai
author_facet K. Mukai
author_sort K. Mukai
collection DOAJ
description In recent years, recurrent nova eruptions are often observed very intensely in wide range of wavelengths from radio to optical to X-rays. Here I present selected highlights from recent multi-wavelength observations. The enigma of T Pyx is at the heart of this paper. While our current understanding of CV and symbiotic star evolution can explain why certain subset of recurrent novae have high accretion rate, that of T Pyx must be greatly elevated compared to the evolutionary mean. At the same time, we have extensive data to be able to estimate how the nova envelope was ejected in T Pyx, and it turns to be a rather complex tale. One suspects that envelope ejection in recurrent and classical novae in general is more complicated than the textbook descriptions. At the end of the review, I will speculate that these two may be connected.
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spelling doaj.art-04376b56b02e44dea9e5da236323bcec2022-12-22T01:26:02ZengCTU Central LibraryActa Polytechnica CTU Proceedings2336-53822015-02-012124625110.14311/APP.2015.02.02462671Recurrent Novae — A ReviewK. Mukai0CRESST and X-ray Astrophysics Laboratory, NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA Department of Physics, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USAIn recent years, recurrent nova eruptions are often observed very intensely in wide range of wavelengths from radio to optical to X-rays. Here I present selected highlights from recent multi-wavelength observations. The enigma of T Pyx is at the heart of this paper. While our current understanding of CV and symbiotic star evolution can explain why certain subset of recurrent novae have high accretion rate, that of T Pyx must be greatly elevated compared to the evolutionary mean. At the same time, we have extensive data to be able to estimate how the nova envelope was ejected in T Pyx, and it turns to be a rather complex tale. One suspects that envelope ejection in recurrent and classical novae in general is more complicated than the textbook descriptions. At the end of the review, I will speculate that these two may be connected.https://ojs.cvut.cz/ojs/index.php/APP/article/view/2911
spellingShingle K. Mukai
Recurrent Novae — A Review
Acta Polytechnica CTU Proceedings
title Recurrent Novae — A Review
title_full Recurrent Novae — A Review
title_fullStr Recurrent Novae — A Review
title_full_unstemmed Recurrent Novae — A Review
title_short Recurrent Novae — A Review
title_sort recurrent novae a review
url https://ojs.cvut.cz/ojs/index.php/APP/article/view/2911
work_keys_str_mv AT kmukai recurrentnovaeareview