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The Presence of Accretion Disks in Novae Shortly After their Outbursts | A. Retter
; E.M. Leibowitz
; | Date: |
21 Aug 1997 | Subject: | astro-ph | Affiliation: | Wise Observatory | Abstract: | It was believed, with little theoretical basis, that the accretion disk (AD) is destroyed in nova outbursts, and recovers only a few decades later. In my thesis I tried to find observational signature for the presence of ADs in young novae. I will discuss two cases: 1. Nova V1974 Cyg 1992 - we found permanent superhumps about 2.5 years after the nova eruption. This is a very strong evidence for the presence of the AD according to the disk - instability model. 2. Nova V1425 Aql 1995 - photometric features which characterize the Intermediate Polars systems were detected about 15 months after its discovery. It is most likely that the accretion is maintained through an AD. | Source: | arXiv, astro-ph/9708194 | Services: | Forum | Review | PDF | Favorites |
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