BVIT: A Visible Imaging, Photon Counting Instrument on the Southern African Large Telescope for High Time Resolution Astronomy | Zendy

Jason B. McPhate | Zendy; Oswald H. W. Siegmund | Zendy; Barry Y. Welsh | Zendy; John V. Vallerga | Zendy; D. Buckley | Zendy; A. A. S. Gulbis | Zendy; Janus D. Brink | Zendy; Doug Rogers | Zendy

Open Access

BVIT: A Visible Imaging, Photon Counting Instrument on the Southern African Large Telescope for High Time Resolution Astronomy

Author(s) -

Jason B. McPhate,

Oswald H. W. Siegmund,

Barry Y. Welsh,

John V. Vallerga,

D. Buckley,

A. A. S. Gulbis,

Janus D. Brink,

Doug Rogers

Publication year - 2012

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2012.02.479

Subject(s) - physics , astronomy , telescope , photon counting , photon , resolution (logic) , remote sensing , optics , geology , computer science , artificial intelligence

The Berkeley Visible Imaging Tube (BVIT) was installed on the Southern African Large Telescope (SALT) in January 2009 and subsequently refurbished in August 2010. BVIT is an imaging, photon counting camera with multi-color (B, V, R, and H-α) capability. At the heart of BVIT is a 25mm diameter active area, microchannel plate, sealed tube device with a visible photocathode and a cross-delay line readout. For each detected event the readout electronics record an X, Y position, an event pulse size (P), and an arrival time (T) — recorded with 25ns precision. Post-acquisition processing of the X, Y, P, and T photon lists can be used to build images and light curves (to whatever sampling rate is supported by the signal to noise of the source as detected). The instrument design is presented as well as some examples of data acquired with the instrument on SALT

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