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The Subaru Seminar is usually held in Room 104 of the Hilo Base Facility, adjacent to the main lobby. Everyone is welcome to attend. If you are interested in giving a seminar, please contact Subaru seminar organizers (Tae-Soo Pyo, Sherry Yeh, Nagayoshi Ohashi) by email : (please change"_at" to @).

August 27, Thursday, 11:00 am in 104

" The 4 meter International Liquid Mirror Telescope project "

Francois Finet

(Subaru Telescope)

The International Liquid Mirror Telescope (ILMT) project is a joint collaboration between different universities and research institutes in Belgium, India, Canada and Poland, for the design, construction and operation of a 4 meter telescope at the Devasthal Observatory (located in India), that will use the liquid mirror technology. The first part of the talk will introduce the basics of liquid mirrors and the ILMT project itself. I will describe the telescope and its technology particularities, as well as an innovative instrument that has been designed for the measure of its primary mirror optical quality. The second part of the talk will focus on the scientific goals of the project. The ILMT has been designed to perform a photometric variability survey of a narrow strip of sky, making it very suitable for the detection and follow-up of photometrically variable sources such as supernovae and quasars. I will present an estimate of the number of QSOs to be detected within the ILMT survey, and of the expected number of multiply imaged sources among these caused by the presence of a deflector near the lines-of-sight. I will finally explain how this statistical sample of multiply imaged QSOs is intended to be used as a cosmological probe.

Seminars are also held at JAC, CFHT, and IfA.

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