The upgraded GREGOR infrared spectrograph

Carlos Quintero Noda; Manuel Collados; Silvia Regalado Olivares; Francisco González; Jorge Quintero Nehrkorn; Horacio Rodríguez Delgado; Roberto López López; Carlos Dominguez-Tagle; Ángel Mato; Jacinto Javier Vaz Cedillo; Mary Barreto Cabrera

doi:10.1117/12.2628721

29 August 2022 The upgraded GREGOR infrared spectrograph

Carlos Quintero Noda, Manuel Collados, Silvia Regalado Olivares, Francisco González, Jorge Quintero Nehrkorn, Horacio Rodríguez Delgado, Roberto López López, Carlos Dominguez-Tagle, Ángel Mato, Jacinto Javier Vaz Cedillo, Mary Barreto Cabrera

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121840U (2022) https://doi.org/10.1117/12.2628721
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

For more than ten years, the GREGOR Infrared Spectrograph (GRIS) has been the main spectropolarimeter on the GREGOR telescope since its inauguration in 2012. The instrument mainly performs polarimetric observations of the wavelength regions at 1083 and 1565 nm, with high scientific potential. There, observers can find spectral lines that provide information on the atmospheric parameters over a vast range of atmospheric layers and with high sensitivity to the magnetic field. Due to the high demand for GRIS and the versatility of the GREGOR environment, we decided to upgrade the system once more, allowing it to become one of the instruments with the highest potential in any ground-based solar observatory. This time, the upgrades add two spectral channels for performing multi-wavelength observations, either in long-slit or IFU mode.

Conference Presentation

Citation Download Citation

Carlos Quintero Noda, Manuel Collados, Silvia Regalado Olivares, Francisco González, Jorge Quintero Nehrkorn, Horacio Rodríguez Delgado, Roberto López López, Carlos Dominguez-Tagle, Ángel Mato, Jacinto Javier Vaz Cedillo, and Mary Barreto Cabrera "The upgraded GREGOR infrared spectrograph", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121840U (29 August 2022); https://doi.org/10.1117/12.2628721

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