On-sky operations and performance of LMIRcam at the Large Binocular Telescope

J. M. Leisenring; M. F. Skrutskie; P. M. Hinz; A. Skemer; V. Bailey; J. Eisner; P. Garnavich; W. F. Hoffmann; T. Jones; M. Kenworthy; P. Kuzmenko; M. Meyer; M. Nelson; T. J. Rodigas; J. C. Wilson; V. Vaitheeswaran

doi:10.1117/12.924814

On-sky operations and performance of LMIRcam at the Large Binocular Telescope

J. M. Leisenring, M. F. Skrutskie, P. M. Hinz, A. Skemer, V. Bailey, J. Eisner, P. Garnavich, W. F. Hoffmann, T. Jones, M. Kenworthy, P. Kuzmenko, M. Meyer, M. Nelson, T. J. Rodigas, J. C. Wilson, V. Vaitheeswaran

Minnesota Institute for Astrophysics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

55 Scopus citations

Abstract

The L/M-band (3-5 μm) InfraRed Camera (LMIRcam) sits at the combined focal plane of the Large Binocular Telescope Interferometer (LBTI), ultimately imaging the coherently combined focus of the LBT's two 8.4-meter mirrors. LMIRcam achieved first light at the LBT in May 2011 using a single AO-enabled 8.4-meter aperture. With the delivery of LBT's final adaptive secondary mirror in Fall of 2011, dual-aperture AO-corrected interferometric fringes were realized in April 2012. We report on the performance of these configurations and characterize the noise performance of LMIRcam's HAWAII-2RG 5.3-μm cutoff array paired with Cornell FORCAST readout electronics. In addition, we describe recent science highlights and discuss future improvements to the LMIRcam hardware.

Original language	English (US)
Title of host publication	Ground-Based and Airborne Instrumentation for Astronomy IV
DOIs	https://doi.org/10.1117/12.924814
State	Published - 2012
Event	Ground-Based and Airborne Instrumentation for Astronomy IV - Amsterdam, Netherlands Duration: Jul 1 2012 → Jul 6 2012

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	8446
ISSN (Print)	0277-786X

Other

Other	Ground-Based and Airborne Instrumentation for Astronomy IV
Country/Territory	Netherlands
City	Amsterdam
Period	7/1/12 → 7/6/12

Keywords

Fizeau
HgCdTe detectors
Infrared
Interferometry

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Leisenring, J. M., Skrutskie, M. F., Hinz, P. M., Skemer, A., Bailey, V., Eisner, J., Garnavich, P., Hoffmann, W. F., Jones, T., Kenworthy, M., Kuzmenko, P., Meyer, M., Nelson, M., Rodigas, T. J., Wilson, J. C., & Vaitheeswaran, V. (2012). On-sky operations and performance of LMIRcam at the Large Binocular Telescope. In Ground-Based and Airborne Instrumentation for Astronomy IV Article 84464F (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8446). https://doi.org/10.1117/12.924814

On-sky operations and performance of LMIRcam at the Large Binocular Telescope. / Leisenring, J. M.; Skrutskie, M. F.; Hinz, P. M. et al.
Ground-Based and Airborne Instrumentation for Astronomy IV. 2012. 84464F (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8446).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Leisenring, JM, Skrutskie, MF, Hinz, PM, Skemer, A, Bailey, V, Eisner, J, Garnavich, P, Hoffmann, WF, Jones, T, Kenworthy, M, Kuzmenko, P, Meyer, M, Nelson, M, Rodigas, TJ, Wilson, JC & Vaitheeswaran, V 2012, On-sky operations and performance of LMIRcam at the Large Binocular Telescope. in Ground-Based and Airborne Instrumentation for Astronomy IV., 84464F, Proceedings of SPIE - The International Society for Optical Engineering, vol. 8446, Ground-Based and Airborne Instrumentation for Astronomy IV, Amsterdam, Netherlands, 7/1/12. https://doi.org/10.1117/12.924814

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AB - The L/M-band (3-5 μm) InfraRed Camera (LMIRcam) sits at the combined focal plane of the Large Binocular Telescope Interferometer (LBTI), ultimately imaging the coherently combined focus of the LBT's two 8.4-meter mirrors. LMIRcam achieved first light at the LBT in May 2011 using a single AO-enabled 8.4-meter aperture. With the delivery of LBT's final adaptive secondary mirror in Fall of 2011, dual-aperture AO-corrected interferometric fringes were realized in April 2012. We report on the performance of these configurations and characterize the noise performance of LMIRcam's HAWAII-2RG 5.3-μm cutoff array paired with Cornell FORCAST readout electronics. In addition, we describe recent science highlights and discuss future improvements to the LMIRcam hardware.

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KW - HgCdTe detectors

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KW - Interferometry

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On-sky operations and performance of LMIRcam at the Large Binocular Telescope

Abstract

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Keywords

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