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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Distance and absolute brightness

This is an exercise from a text, I’m learning from and I can’t understand it so I’m asking just to develop my knowledge: The explosion of V603 Aql (Nova Aquilae) took place in June 1918. The nova ...
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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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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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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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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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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 ...