[Astronomy seminar] Seminar today: Cristina Barbarino

[Astronomy seminar announcements]

On 2018-09-12 14:10, Alexis Brandeker wrote:
> When & where: Friday 2018-09-14 at 10:30 in FC61.
>
> Who: Cristina Barbarino, Dept. of Astronomy, SU
>
> Title: Stripped Envelope Supernovae from (i)PTF
>
> Abstract:
> Stripped envelope supernovae (SESNe) are the result of the collapse of a
> massive star whose outer layer of hydrogen has been partially or
> completely removed. Two main scenario have been proposed for the
> progenitor channel: a single massive star or a binary system. They
> represent a quite rare class of supernovae (~34% of core-collapse) and
> only in the recent time with the upcoming of several surveys it was
> possible to build up a sample of objects being statistically
> significant. In this scenario, the Palomar Transient Factory (PTF) and
> the intermediate PTF (iPTF) bring their contributions; infact, unlike
> all their predecessors, those were untargeted surveys. The surveys took
> place through the use, mainly, of the P48 and P60 telescopes at the
> Palomar Observatory but several other facilities were involved to
> implement the collected data set (e.g. P200, NOT, LCOGT, Keck,
> Gemini...) on the window of time 2009-2016. These surveys have been a
> forerunner for the upcoming Zwicky Transient Facility (ZTF) which
> already saw its first light and will be fully operative in early 2018. I
> will present the SNe Ib/c sample found from PTF and iPTF. The analysis
> is mainly focused on the photometric dataset, in order to estimate the
> explosion parameters and to investigate the progenitor system.
>
> All welcome!
>
> Angela & Alexis, Astronomy seminar organisers
>

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