ESPRIT:  A space interferometer concept for the far-infrared

W. Wild; Th. de Graauw; F. Helmich; J. Cernicharo; A. Gunst; A. Bos; J.-W. den Herder; B. Jackson; H.-J. Langevelde; P. Maat; J. Martin-Pintado; J. Noordam; A. Quirrenbach; P. Roelfsema; L. Venema; P. Wesselius; P. Yagoubov

doi:10.1117/12.672012

ESPRIT: A space interferometer concept for the far-infrared

W. Wild^*
, Th. de Graauw
, F. Helmich
, J. Cernicharo
, A. Gunst
, A. Bos
, J.-W. den Herder
, B. Jackson
, H.-J. Langevelde
, P. Maat
, J. Martin-Pintado
, J. Noordam
, A. Quirrenbach
, P. Roelfsema
, L. Venema
, P. Wesselius
, P. Yagoubov

^*Corresponding author for this work

Astronomy

Research output: Contribution to journal › Article › Academic › peer-review

4 Citations (Scopus)

Abstract

In the far-infrared (FIR) / THz regime the angular (and often spectral) resolution of observing facilities is still very restricted despite the fact that this frequency range has become of prime importance for modern astrophysics. ALMA (Atacama Large Millimeter Array) with its superb sensitivity and angular resolution will only cover frequencies up to about 1 THz, while the HIFI instrument for ESA'a Herschel Space Observatory will provide limited angular resolution (10 to 30 arcsec) up to 2 THz. Observations of regions with star and planet formation require extremely high angular resolution as well as frequency resolution in the full THz regime. In order to open these regions for high-resolution astrophysics we propose a heterodyne space interferometer mission, ESPRIT (Exploratory Submm Space Radio-Interferometric Telescope), for the Terahertz regime inaccessible from ground and outside the operating range of the James Webb Space Telescope (JWST).

Original language	English
Article number	62651Z
Number of pages	12
Journal	SPIE Digital Library
Volume	6265
DOIs	https://doi.org/10.1117/12.672012
Publication status	Published - 14-Jun-2006

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Wild, W., de Graauw, T., Helmich, F., Cernicharo, J., Gunst, A., Bos, A., den Herder, J.-W., Jackson, B., Langevelde, H.-J., Maat, P., Martin-Pintado, J., Noordam, J., Quirrenbach, A., Roelfsema, P., Venema, L., Wesselius, P., & Yagoubov, P. (2006). ESPRIT: A space interferometer concept for the far-infrared. SPIE Digital Library, 6265, Article 62651Z. https://doi.org/10.1117/12.672012

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abstract = "In the far-infrared (FIR) / THz regime the angular (and often spectral) resolution of observing facilities is still very restricted despite the fact that this frequency range has become of prime importance for modern astrophysics. ALMA (Atacama Large Millimeter Array) with its superb sensitivity and angular resolution will only cover frequencies up to about 1 THz, while the HIFI instrument for ESA'a Herschel Space Observatory will provide limited angular resolution (10 to 30 arcsec) up to 2 THz. Observations of regions with star and planet formation require extremely high angular resolution as well as frequency resolution in the full THz regime. In order to open these regions for high-resolution astrophysics we propose a heterodyne space interferometer mission, ESPRIT (Exploratory Submm Space Radio-Interferometric Telescope), for the Terahertz regime inaccessible from ground and outside the operating range of the James Webb Space Telescope (JWST).",

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AU - Wild, W.

AU - de Graauw, Th.

AU - Helmich, F.

AU - Cernicharo, J.

AU - Gunst, A.

AU - Bos, A.

AU - den Herder, J.-W.

AU - Jackson, B.

AU - Langevelde, H.-J.

AU - Maat, P.

AU - Martin-Pintado, J.

AU - Noordam, J.

AU - Quirrenbach, A.

AU - Roelfsema, P.

AU - Venema, L.

AU - Wesselius, P.

AU - Yagoubov, P.

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AB - In the far-infrared (FIR) / THz regime the angular (and often spectral) resolution of observing facilities is still very restricted despite the fact that this frequency range has become of prime importance for modern astrophysics. ALMA (Atacama Large Millimeter Array) with its superb sensitivity and angular resolution will only cover frequencies up to about 1 THz, while the HIFI instrument for ESA'a Herschel Space Observatory will provide limited angular resolution (10 to 30 arcsec) up to 2 THz. Observations of regions with star and planet formation require extremely high angular resolution as well as frequency resolution in the full THz regime. In order to open these regions for high-resolution astrophysics we propose a heterodyne space interferometer mission, ESPRIT (Exploratory Submm Space Radio-Interferometric Telescope), for the Terahertz regime inaccessible from ground and outside the operating range of the James Webb Space Telescope (JWST).

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