A new concept for the combination of optical interferometers and high-resolution spectrographs
The combination of high spatial and spectral resolution in optical astronomy enables new observational approaches to many open problems in stellar and circumstellar astrophysics. However, constructing a high-resolution spectrograph for an interferometer is a costly and time-intensive undertaking. Ou...
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Veröffentlicht in: | Experimental astronomy 2010-03, Vol.27 (3), p.157-186 |
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creator | Albrecht, Simon Quirrenbach, Andreas Tubbs, Robert N. Vink, Ramon |
description | The combination of high spatial and spectral resolution in optical astronomy enables new observational approaches to many open problems in stellar and circumstellar astrophysics. However, constructing a high-resolution spectrograph for an interferometer is a costly and time-intensive undertaking. Our aim is to show that, by coupling existing high-resolution spectrographs to existing interferometers, one could observe in the domain of high spectral and spatial resolution, and avoid the construction of a new complex and expensive instrument. We investigate in this article the different challenges which arise from combining an interferometer with a high-resolution spectrograph. The requirements for the different sub-systems are determined, with special attention given to the problems of fringe tracking and dispersion. A concept study for the combination of the VLTI (Very Large Telescope Interferometer) with UVES (UV-Visual Echelle Spectrograph) is carried out, and several other specific instrument pairings are discussed. We show that the proposed combination of an interferometer with a high-resolution spectrograph is indeed feasible with current technology, for a fraction of the cost of building a whole new spectrograph. The impact on the existing instruments and their ongoing programs would be minimal. |
doi_str_mv | 10.1007/s10686-009-9181-6 |
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We show that the proposed combination of an interferometer with a high-resolution spectrograph is indeed feasible with current technology, for a fraction of the cost of building a whole new spectrograph. The impact on the existing instruments and their ongoing programs would be minimal.</description><subject>Astronomy</subject><subject>Chemistry and Earth Sciences</subject><subject>Computer Science</subject><subject>Construction costs</subject><subject>Dispersions</subject><subject>Interferometers</subject><subject>Observations and Techniques</subject><subject>Original Article</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Spectra</subject><subject>Spectral resolution</subject><subject>Spectrographs</subject><subject>Statistics for Engineering</subject><subject>Tracking</subject><issn>0922-6435</issn><issn>1572-9508</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kD1vFDEQhi0EUo6EH5DOHTQm48-1yyiCgBQpDbSxvN7x3UZ79mLvCfHvcTjqVPOO9LwjzUPINYfPHGC4aRyMNQzAMcctZ-YN2XE9COY02LdkB04IZpTUF-R9a8_QwUEPO_J0SzP-prHkiOtGU6l0O2Dfj-OcwzaXTEuiZd3mGBY65w1rwlqO2EOjIU_0MO8PrGIry-kf3laMWy37GtZDuyLvUlgafvg_L8nPr19-3H1jD4_33-9uH1iUWm4MQelJxCSjHUGaZEcjpQMcrRi4cxMIUJMzQguZEHQAO0oJCpPVeophlJfk4_nuWsuvE7bNH-cWcVlCxnJq3sHgpFLKdvLTqyQ3AxdKCqc6ys9orKW1ismvdT6G-sdz8C_W_dm67zL9i3VvekecO62zeY_VP5dTzf33V0p_AeLKha0</recordid><startdate>20100301</startdate><enddate>20100301</enddate><creator>Albrecht, Simon</creator><creator>Quirrenbach, Andreas</creator><creator>Tubbs, Robert N.</creator><creator>Vink, Ramon</creator><general>Springer Netherlands</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>20100301</creationdate><title>A new concept for the combination of optical interferometers and high-resolution spectrographs</title><author>Albrecht, Simon ; Quirrenbach, Andreas ; Tubbs, Robert N. ; Vink, Ramon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-e045d2cf3c8b036f8b63390eb827199d0204d962523fe05a08b3304ef855dcab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Astronomy</topic><topic>Chemistry and Earth Sciences</topic><topic>Computer Science</topic><topic>Construction costs</topic><topic>Dispersions</topic><topic>Interferometers</topic><topic>Observations and Techniques</topic><topic>Original Article</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Spectra</topic><topic>Spectral resolution</topic><topic>Spectrographs</topic><topic>Statistics for Engineering</topic><topic>Tracking</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Albrecht, Simon</creatorcontrib><creatorcontrib>Quirrenbach, Andreas</creatorcontrib><creatorcontrib>Tubbs, Robert N.</creatorcontrib><creatorcontrib>Vink, Ramon</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Experimental astronomy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Albrecht, Simon</au><au>Quirrenbach, Andreas</au><au>Tubbs, Robert N.</au><au>Vink, Ramon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new concept for the combination of optical interferometers and high-resolution spectrographs</atitle><jtitle>Experimental astronomy</jtitle><stitle>Exp Astron</stitle><date>2010-03-01</date><risdate>2010</risdate><volume>27</volume><issue>3</issue><spage>157</spage><epage>186</epage><pages>157-186</pages><issn>0922-6435</issn><eissn>1572-9508</eissn><abstract>The combination of high spatial and spectral resolution in optical astronomy enables new observational approaches to many open problems in stellar and circumstellar astrophysics. 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subjects | Astronomy Chemistry and Earth Sciences Computer Science Construction costs Dispersions Interferometers Observations and Techniques Original Article Physics Physics and Astronomy Spectra Spectral resolution Spectrographs Statistics for Engineering Tracking |
title | A new concept for the combination of optical interferometers and high-resolution spectrographs |
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