12–23 Jul 2021
Online
Europe/Berlin timezone

Status of the VERITAS Stellar Intensity Interferometry (VSII) System

16 Jul 2021, 18:00
1h 30m
TBA

TBA

Poster GAI | Gamma Ray Indirect Discussion

Speaker

David Kieda (University of Utah)

Description

The VERITAS Imaging Air Cherenkov Telescope array IACT) was augmented in 2019 with high-speed focal plane electronics to allow the use of VERITAS for Stellar Intensity Interferometry (SII) observations. Since that time, a number of improvements have been made to increase the sensitivity of VSII and increase the speed of nightly data processing. This poster will describe the use of IACT arrays for performing ultra-high resolution (sub-milliarcsecond) astronomical observations. The poster presentation will include a description of the VERITAS-SII focal plane, data acquisition, and data analysis systems. The poster concludes with an evaluation of the VSII observatory’s system’s current sensitivity, and plans for a future upgrade of the VSII instrument.

Keywords

Intensity Interferometry; stellar diameters; IACT arrays; stellar envelopes; limb darkening

Subcategory Experimental Methods & Instrumentation
Collaboration VERITAS

Primary authors

Presentation materials