The rapid fading of V1647 Orionis: the sudden end of a FUor-type eruption?

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V1647 Ori is a young eruptive star, which went into outburst at the end of 2003. Since then, the object is gradually fading. In October 2005, however, V1647 Ori started a very rapid fading, approximately 1 mag/month in I_C as opposed to 0.1 mag/month previously. According to the colour changes, the rapid fading is not caused by increasing extinction, which suggests that the observed brightness changes are intrinsic. Supposing that the fading rate remains unchanged, the star will return to the pre-outburst state by mid-December 2005.
Four pages, two figures, accepted by IBVS as paper No. 5661

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/103023

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/0511733
 http://arxiv.org/abs/astro-ph/0511733

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arXiv