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Co-phasing the Large Binocular Telescope: status and performance of LBTI/PHASECam
- Source :
- Proc. SPIE 9146, Optical and Infrared Interferometry IV, 914609 (July 24, 2014)
- Publication Year :
- 2015
-
Abstract
- The Large Binocular Telescope Interferometer is a NASA-funded nulling and imaging instrument designed to coherently combine the two 8.4-m primary mirrors of the LBT for high-sensitivity, high-contrast, and high-resolution infrared imaging (1.5-13 um). PHASECam is LBTI's near-infrared camera used to measure tip-tilt and phase variations between the two AO-corrected apertures and provide high-angular resolution observations. We report on the status of the system and describe its on-sky performance measured during the first semester of 2014. With a spatial resolution equivalent to that of a 22.8-meter telescope and the light-gathering power of single 11.8-meter mirror, the co-phased LBT can be considered to be a forerunner of the next-generation extremely large telescopes (ELT).<br />Comment: 8 pages, 5 figures, SPIE Conference proceedings
- Subjects :
- Astrophysics - Instrumentation and Methods for Astrophysics
Subjects
Details
- Database :
- arXiv
- Journal :
- Proc. SPIE 9146, Optical and Infrared Interferometry IV, 914609 (July 24, 2014)
- Publication Type :
- Report
- Accession number :
- edsarx.1501.04142
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1117/12.2057178