Evolution of the Circumnuclear Radio Supernova SN 2000ft in NGC 7469

Evolution of the Circumnuclear Radio Supernova SN 2000ft in NGC 7469

SN 2000ft is the first radio supernova detected in the circumnuclear starburst of a luminous infrared Seyfert 1 galaxy. It is located at a distance of 600 pc from the QSO-like nucleus of NGC 7469. We report the temporal evolution of SN 2000ft during the 3 years after its discovery. Although SN 2000f...

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Veröffentlicht in:The Astrophysical journal 2006-02, Vol.638 (2), p.938-945
Hauptverfasser: Alberdi, A, Colina, L, Torrelles, J. M, Panagia, N, Wilson, A. S, Garrington, S. T
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container_issue 2
container_start_page 938
container_title The Astrophysical journal
container_volume 638
creator Alberdi, A
Colina, L
Torrelles, J. M
Panagia, N
Wilson, A. S
Garrington, S. T
description SN 2000ft is the first radio supernova detected in the circumnuclear starburst of a luminous infrared Seyfert 1 galaxy. It is located at a distance of 600 pc from the QSO-like nucleus of NGC 7469. We report the temporal evolution of SN 2000ft during the 3 years after its discovery. Although SN 2000ft has exploded in the dusty and very dense environment that exists in the nuclear regions of luminous infrared galaxies, it shows the radio evolution properties characteristic of radio supernovae identified as Type II supernovae, aside from some foreground free-free absorption. The peak luminosity and circumstellar matter opacity of SN 2000ft are similar to other compact radio sources detected in luminous infrared galaxies such as NGC 6240, Arp 299, and Arp 220 and identified as Type II supernovae.
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title Evolution of the Circumnuclear Radio Supernova SN 2000ft in NGC 7469
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