Atmospheric phase correction using the CARMA paired antennas calibration system

Laura M. Pérez; James W. Lamb; David P. Woody; B. Ashley Zauderer; John M. Carpenter; Alberto D. Bolatto; Erik M. Leitch; Daniel P. Marrone; Lee G. Mundy; Richard L. Plambeck; Peter J. Teuben; Melvyn C.H. Wright

doi:10.1117/12.857408

Atmospheric phase correction using the CARMA paired antennas calibration system

Laura M. Pérez, James W. Lamb, David P. Woody, B. Ashley Zauderer, John M. Carpenter, Alberto D. Bolatto, Erik M. Leitch, Daniel P. Marrone, Lee G. Mundy, Richard L. Plambeck, Peter J. Teuben, Melvyn C.H. Wright

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

1 Scopus citations

Abstract

High angular resolution observations are essential to understand a variety of astrophysical phenomena. The resolution of millimeter wave interferometers is limited by large and rapid differential atmospheric delay fluctuations. At the Combined Array for Research in Millimeter-wave Astronomy (CARMA) we have employed a Paired Antenna Calibration System (C-PACS) for atmospheric phase compensation in the extended array configurations (up to 2 km baselines). We present a description of C-PACS and its application. We also present successful atmospheric delay corrections applied to science observations with dramatic improvements in sensitivity and angular resolution.

Original language	English (US)
Title of host publication	Ground-Based and Airborne Telescopes III
Edition	PART 1
DOIs	https://doi.org/10.1117/12.857408
State	Published - 2010
Externally published	Yes
Event	Ground-Based and Airborne Telescopes III - San Diego, CA, United States Duration: Jun 27 2010 → Jul 2 2010

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Number	PART 1
Volume	7733
ISSN (Print)	0277-786X

Other

Other	Ground-Based and Airborne Telescopes III
Country/Territory	United States
City	San Diego, CA
Period	6/27/10 → 7/2/10

Keywords

Atmospheric phase measurement and compensation
C-PACS
CARMA
Millimeter wavelength seeing

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.857408

Cite this

Pérez, L. M., Lamb, J. W., Woody, D. P., Zauderer, B. A., Carpenter, J. M., Bolatto, A. D., Leitch, E. M., Marrone, D. P., Mundy, L. G., Plambeck, R. L., Teuben, P. J., & Wright, M. C. H. (2010). Atmospheric phase correction using the CARMA paired antennas calibration system. In Ground-Based and Airborne Telescopes III (PART 1 ed.). Article 77333T (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7733, No. PART 1). https://doi.org/10.1117/12.857408

Atmospheric phase correction using the CARMA paired antennas calibration system. / Pérez, Laura M.; Lamb, James W.; Woody, David P. et al.
Ground-Based and Airborne Telescopes III. PART 1. ed. 2010. 77333T (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7733, No. PART 1).

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

Pérez, LM, Lamb, JW, Woody, DP, Zauderer, BA, Carpenter, JM, Bolatto, AD, Leitch, EM, Marrone, DP, Mundy, LG, Plambeck, RL, Teuben, PJ & Wright, MCH 2010, Atmospheric phase correction using the CARMA paired antennas calibration system. in Ground-Based and Airborne Telescopes III. PART 1 edn, 77333T, Proceedings of SPIE - The International Society for Optical Engineering, no. PART 1, vol. 7733, Ground-Based and Airborne Telescopes III, San Diego, CA, United States, 6/27/10. https://doi.org/10.1117/12.857408

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abstract = "High angular resolution observations are essential to understand a variety of astrophysical phenomena. The resolution of millimeter wave interferometers is limited by large and rapid differential atmospheric delay fluctuations. At the Combined Array for Research in Millimeter-wave Astronomy (CARMA) we have employed a Paired Antenna Calibration System (C-PACS) for atmospheric phase compensation in the extended array configurations (up to 2 km baselines). We present a description of C-PACS and its application. We also present successful atmospheric delay corrections applied to science observations with dramatic improvements in sensitivity and angular resolution.",

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AU - Lamb, James W.

AU - Woody, David P.

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AU - Bolatto, Alberto D.

AU - Leitch, Erik M.

AU - Marrone, Daniel P.

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AB - High angular resolution observations are essential to understand a variety of astrophysical phenomena. The resolution of millimeter wave interferometers is limited by large and rapid differential atmospheric delay fluctuations. At the Combined Array for Research in Millimeter-wave Astronomy (CARMA) we have employed a Paired Antenna Calibration System (C-PACS) for atmospheric phase compensation in the extended array configurations (up to 2 km baselines). We present a description of C-PACS and its application. We also present successful atmospheric delay corrections applied to science observations with dramatic improvements in sensitivity and angular resolution.

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Atmospheric phase correction using the CARMA paired antennas calibration system

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Keywords

ASJC Scopus subject areas

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