A solar mid-infrared telescope

A solar mid-infrared telescope

ABSTRACT: We developed a mid infrared (MIR) solar telescope, centered at 10µm. Various optical layouts were analyzed based on computer simulations and a Ritchey-Chretien 6-inches telescope was selected with a plate scale of 2.5′′/mm using a pyroelectric 4 × 16 pixels detector. The angular resolution is 36′′/pixel with a field of view of 9.6′ × 2.4′. Two germanium filters are used, one at the aperture of the telescope and another near its focal plane. The detector was characterized with a laboratory black-body. The count values follow a linear relation with the black-body temperature. The control systems for both the telescope and the detector were developed. Proper mechanical supports were designed for the filters, detector and electronics. The system has been integrated and a user interface was developed. Preliminary observations have been made giving a signal-to-noise ratio of ≈ 1000.

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Main Authors: Mendoza-Torres,J. E., Palacios-Fonseca,J. S., Velázquez-de-la-Rosa,M., Rodríguez-Montero,P., De-Roa-Campoy,A., Valadez-Campos,E., Arias-Estrada,M. O., Peña-Saint-Martín,J., Rodríguez-Pedroza,B., Gómez-Arista,I., Juárez-Gama,M., Gottschalk,K., Medina-Carrillo,I. C.
Format: Digital revista
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Astronomía 2019
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-11012019000100011
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spelling oai:scielo:S0185-110120190001000112019-07-23A solar mid-infrared telescopeMendoza-Torres,J. E.Palacios-Fonseca,J. S.Velázquez-de-la-Rosa,M.Rodríguez-Montero,P.De-Roa-Campoy,A.Valadez-Campos,E.Arias-Estrada,M. O.Peña-Saint-Martín,J.Rodríguez-Pedroza,B.Gómez-Arista,I.Juárez-Gama,M.Gottschalk,K.Medina-Carrillo,I. C.ABSTRACT: We developed a mid infrared (MIR) solar telescope, centered at 10µm. Various optical layouts were analyzed based on computer simulations and a Ritchey-Chretien 6-inches telescope was selected with a plate scale of 2.5′′/mm using a pyroelectric 4 × 16 pixels detector. The angular resolution is 36′′/pixel with a field of view of 9.6′ × 2.4′. Two germanium filters are used, one at the aperture of the telescope and another near its focal plane. The detector was characterized with a laboratory black-body. The count values follow a linear relation with the black-body temperature. The control systems for both the telescope and the detector were developed. Proper mechanical supports were designed for the filters, detector and electronics. The system has been integrated and a user interface was developed. Preliminary observations have been made giving a signal-to-noise ratio of ≈ 1000.info:eu-repo/semantics/openAccessUniversidad Nacional Autónoma de México, Instituto de AstronomíaRevista mexicana de astronomía y astrofísica v.55 n.1 20192019-01-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-11012019000100011en
institution SCIELO
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country México
countrycode MX
component Revista
access En linea
databasecode rev-scielo-mx
tag revista
region America del Norte
libraryname SciELO
language English
format Digital
author Mendoza-Torres,J. E.
Palacios-Fonseca,J. S.
Velázquez-de-la-Rosa,M.
Rodríguez-Montero,P.
De-Roa-Campoy,A.
Valadez-Campos,E.
Arias-Estrada,M. O.
Peña-Saint-Martín,J.
Rodríguez-Pedroza,B.
Gómez-Arista,I.
Juárez-Gama,M.
Gottschalk,K.
Medina-Carrillo,I. C.
spellingShingle Mendoza-Torres,J. E.
Palacios-Fonseca,J. S.
Velázquez-de-la-Rosa,M.
Rodríguez-Montero,P.
De-Roa-Campoy,A.
Valadez-Campos,E.
Arias-Estrada,M. O.
Peña-Saint-Martín,J.
Rodríguez-Pedroza,B.
Gómez-Arista,I.
Juárez-Gama,M.
Gottschalk,K.
Medina-Carrillo,I. C.
A solar mid-infrared telescope
author_facet Mendoza-Torres,J. E.
Palacios-Fonseca,J. S.
Velázquez-de-la-Rosa,M.
Rodríguez-Montero,P.
De-Roa-Campoy,A.
Valadez-Campos,E.
Arias-Estrada,M. O.
Peña-Saint-Martín,J.
Rodríguez-Pedroza,B.
Gómez-Arista,I.
Juárez-Gama,M.
Gottschalk,K.
Medina-Carrillo,I. C.
author_sort Mendoza-Torres,J. E.
title A solar mid-infrared telescope
title_short A solar mid-infrared telescope
title_full A solar mid-infrared telescope
title_fullStr A solar mid-infrared telescope
title_full_unstemmed A solar mid-infrared telescope
title_sort solar mid-infrared telescope
description ABSTRACT: We developed a mid infrared (MIR) solar telescope, centered at 10µm. Various optical layouts were analyzed based on computer simulations and a Ritchey-Chretien 6-inches telescope was selected with a plate scale of 2.5′′/mm using a pyroelectric 4 × 16 pixels detector. The angular resolution is 36′′/pixel with a field of view of 9.6′ × 2.4′. Two germanium filters are used, one at the aperture of the telescope and another near its focal plane. The detector was characterized with a laboratory black-body. The count values follow a linear relation with the black-body temperature. The control systems for both the telescope and the detector were developed. Proper mechanical supports were designed for the filters, detector and electronics. The system has been integrated and a user interface was developed. Preliminary observations have been made giving a signal-to-noise ratio of ≈ 1000.
publisher Universidad Nacional Autónoma de México, Instituto de Astronomía
publishDate 2019
url http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-11012019000100011
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