2026-04-13T15:10:34Zhttps://recercat.cat/oai/requestoai:recercat.cat:2117/1677822026-02-09T06:58:49Zcom_2072_1033col_2072_452950
J-PLUS: The javalambre photometric local universe survey
Cenarro Lagunas, Andrés Javier
Moles Villamate, Mariano
Cristóbal Hornillos, David
Rebassa Mansergas, Alberto
Universitat Politècnica de Catalunya. Departament de Física
Universitat Politècnica de Catalunya. GAA - Grup d'Astronomia i Astrofísica
Àrees temàtiques de la UPC::Física::Astronomia i astrofísica
Astronomical photometry
Stars
Surveys
Surveys
Astronomical databases - miscellaneous
Techniques - photometric
Stars - General
Galaxy - General
Galaxies - General
Fotometria astronòmica
Estels
The Javalambre-Photometric Local Universe Survey (J-PLUS ) is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern hemisphere from the dedicated JAST/T80 telescope at the Observatorio Astrofísico de
Javalambre (OAJ). T80Cam is a 2 deg2 field-of-view camera mounted on this 83 cm-diameter telescope, and is equipped with a
unique system of filters spanning the entire optical range (3 500–10 000 Å). This filter system is a combination of broad, medium
and narrow-band filters, optimally designed to extract the rest-frame spectral features (the 3 700–4 000 Å Balmer break region, Hd,
Ca H+K, the G-band, the Mgb and Ca triplets) that are key to both characterize stellar types and to deliver a low-resolution photospectrum for each pixel of the sky observed. With a typical depth of AB ~ 21.25 mag per band, this filter set thus allows for an
indiscriminate and accurate characterization of the stellar population in our Galaxy, it provides an unprecedented 2D photo-spectral
information for all resolved galaxies in the local universe, as well as accurate photo-z estimates (at the ¿ z ~ 0.01–0.03 precision
level) for moderately bright (up to r ~ 20 mag) extragalactic sources. While some narrow band filters are designed for the study of
particular emission features ([OII]/¿3727, Ha/¿6563) up to z < 0.015, they also provide well-defined windows for the analysis of
other emission lines at higher redshifts. As a result, J-PLUS has the potential to contribute to a wide range of fields in Astrophysics,
both in the nearby universe (Milky Way structure, globular clusters, 2D IFU-like studies, stellar populations of nearby and moderate
redshift galaxies, clusters of galaxies) and at high redshifts (emission line galaxies at z ˜ 0.77, 2.2 and 4.4, quasi stellar objects, etc).
With this paper, we release ~36 deg2 of J-PLUS data, containing about 1.5 × 105
stars and 105 galaxies at r < 21 mag. These numbers
are expected to rise to about 35 million of stars and 24 million of galaxies by the end of the survey
Peer Reviewed
Postprint (published version)
2019-02-01
Article
Cenarro, A. [et al.]. J-PLUS: The javalambre photometric local universe survey. "Astronomy & astrophysics", 1 Febrer 2019, vol. 622.
1432-0746
https://hdl.handle.net/2117/167782
10.1051/0004-6361/201833036
eng
https://www.aanda.org/articles/aa/abs/2019/02/aa33036-18/aa33036-18.html
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2017-86274-P/ES/DEL ENFRIAMIENTO A LAS EXPLOSIONES: LA FISICA DE LOS OBJETOS COMPACTOS/
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info:eu-repo/grantAgreement/MINECO//AYA2015-66211-C2-1-P/ES/FORMACION Y EVOLUCION DE GALAXIAS EN 4D CON LOS CARTOGRAFIADOS MULTI-FILTRO J-PLUS Y J-PAS DESDE EL OAJ/
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info:eu-repo/grantAgreement/MINECO//AYA2012-30789/ES/DESARROLLO Y EXPLOTACION CIENTIFICA DEL OBSERVATORIO ASTROFISICO DE JAVALAMBRE: PRIMERA CIENCIA SOBRE EVOLUCION DE GALAXIAS Y COSMOLOGIA CON GRANDES CARTOGRAFIADOS/
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info:eu-repo/grantAgreement/MICINN//RYC-2011-08262/ES/RYC-2011-08262/
info:eu-repo/grantAgreement/SPAIN/RYC2011-08529
info:eu-repo/grantAgreement/MINECO/AYA2014-55216
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