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20 April 2024 |
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Near-Infrared observations of the type Ib Supernova SN2006jc: evidence of interactions with dust | | E. Di Carlo
; C. Corsi
; A. A. Arkharov
; F. Massi
; V. M. Larionov
; N. V. Efimova
; M. Dolci
; N. Napoleone
; A. Di Paola
; | | Date: |
22 Dec 2007 | | Abstract: | In the framework of a program for the monitoring of Supernovae in the
Near-Infrared (NIR) carried out by the Teramo, Rome and Pulkovo observatories
with the AZT-24 telescope, we observed the Supernova SN2006jc in the J,H,K
photometric bands during a period of 7 months, starting ~36 days after its
discovery. Our observations evidence a NIR re-brightening, peaking ~70 days
after discovery, along with a reddening of H-K and J-H colors until 120 days
from discovery. After that date, J-H seems to evolve towards bluer colors. Our
data, complemented by IR, optical, UV and X-ray observations found in the
literature, show that the re-brightening is produced by hot dust surrounding
the supernova, formed in the interaction of the ejecta with dense circumstellar
matter. | | Source: | arXiv, 0712.3855 | | Services: | Forum | Review | PDF | Favorites | |
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