Questions tagged [nova]

For questions about stellar explosions on white dwarfs caused by runaway fusion reactions in an accreted hydrogen atmoshphere and visible as a "new star". Distinct from a supernova.

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Assuming no light pollution, was “2C. 1406” ever visible to the naked eye?

Joseph Needham, in his Science and Civilisation in China Vol. III, claimed that there was an ancient record of a nova about three thousand years ago. As a result of private correspondences with a "Dr ...
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60 views

Does Nickel show up in spectra of Nova?

Does a nova, not a supernova, get hot enough that nickel is produced despite its formation by fusion being an endothermic reaction? If nickel is made, does it make it out of the star into the nebula? ...
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How to decide which part of the data is analyzed? [closed]

I need to get the X-ray light curve of Classical Nova V1494 Aquilae (1999 No. 2) in Outburst. It is done long time ago, but I need to this by myself. While reading the papaer about the V1494 Aquilae, ...
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2answers
3k views

We know what a nova is, but how?

I work with astrophysicists and require some basic knowledge of many astronomical sources, however research priorities often demand that most of human knowledge on a subject be taken for granted. I ...
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1answer
120 views

Identifying cataclysmic stellar phenomena

Cataclysms such as novas, kilonovas, supernova, magnetars, quasars, gamma ray bursts are rarely visible from Earth. Under what conditions (such as distance, day vs. night, naked eye vs. level of ...
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1answer
105 views

Do novas create a nebula? Could a planet survive if its star exploded in a nova?

Does a nova, caused by runaway fusion in hydrogen accreted onto a white dwarf from a companion star, create a visible nebula? If a planet were in a circumbinary orbit around a binary pair that ...