NEFER: a high resolution scanning Fabry-Perot spectrograph

Bibcode
2008SPIE.7014E.187R
DOI
10.1117/12.790145
Rosado, Margarita; Bernal, Abel; Cepa, Jordi; Martínez, Luis A.; Iriarte, Arturo
Bibliographical reference

Ground-based and Airborne Instrumentation for Astronomy II. Edited by McLean, Ian S.; Casali, Mark M. Proceedings of the SPIE, Volume 7014, pp. 70145M-70145M-8 (2008).

Advertised on:
8
2008
Number of authors
5
IAC number of authors
1
Citations
0
Refereed citations
0
Description
The scanning Fabry-Perot spectrograph could give highly accurate, kinematical information of star forming regions (HH objects, protoplanetary disks and large scale flows) and the dynamics of isolated and interacting galaxies (resonances, galaxy pairs, compact groups). In this project we are developing a high spectral resolution scanning Fabry-Perot interferometer for the GTC 10 m telescope and the OSIRIS instrument. The system will provide the following characteristics: high spectral resolution data (R up to 20000) over a whole field of view of approximate 8 × 8 arcmin, 0.125 arcsec pixel size in two spectral ranges; 6300 to 7000 Å (galactic projects) and 8000 to 9500 Å (OTELO objects kinematics). ICOS ET100 Fabry-Perot will be used and installed within the OSIRIS collimated beam in the filter wheel hosting the tunable filters. Several acquisition software features have been defined like: synchronizing Fabry-Perot scanning with image acquisition, data cube assembly; single frame or data cube files would be provided according to the observer data reduction process. Fabry-Perot plates parallelism is extremely important to improve Finesse. Our team has developed an algorithm to accomplish this task.
Type
Non-refereed

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