Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release

Euclid Collaboration; E. A. Valentijn

doi:10.1051/0004-6361/202243604

Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release

Euclid Collaboration, E. A. Valentijn

Astronomy

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Abstract

The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Euclid depth (I_E=24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample as representative as possible of the galaxies in the Euclid weak lensing sample is being collected, selecting galaxies from a self-organizing map (SOM) representation of the galaxy color space. Here, we present the results of a near-infrared H- and K-bands spectroscopic campaign carried out using the LUCI instruments at the LBT. For a total of 251 galaxies, we present new highly-reliable redshifts in the 1.3

Original language	English
Article number	A196
Number of pages	23
Journal	Astronomy & Astrophysics
Volume	644
DOIs	https://doi.org/10.1051/0004-6361/202243604
Publication status	Published - 30-Aug-2022

Keywords

Astrophysics - Cosmology and Nongalactic Astrophysics

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10.1051/0004-6361/202243604Licence: CC BY

Euclid preparation XX. The Complete Calibration of the Color–Redshift Relation survey: LBT observations and data releaseFinal publisher's version, 22.1 MBLicence: CC BY

http://adsabs.harvard.edu/abs/2022arXiv220601620S

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Saglia, R. (Creator), De Nicola, N. S. (Creator), Fabricius, M. (Creator), Guglielmo, V. (Creator), Snigula, J. (Creator), Zöller, R. (Contributor), Bender, R. (Creator) & Valentijn, E. A. (Creator), Centre de Donnees Strasbourg (CDS), 22-Feb-2023
DOI: 10.26093/cds/vizier.36640196
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title = "Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release",

abstract = "The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Euclid depth (I_E=24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample as representative as possible of the galaxies in the Euclid weak lensing sample is being collected, selecting galaxies from a self-organizing map (SOM) representation of the galaxy color space. Here, we present the results of a near-infrared H- and K-bands spectroscopic campaign carried out using the LUCI instruments at the LBT. For a total of 251 galaxies, we present new highly-reliable redshifts in the 1.3",

keywords = "Astrophysics - Cosmology and Nongalactic Astrophysics",

author = "{Euclid Collaboration} and R. Saglia and {De Nicola}, S. and M. Fabricius and V. Guglielmo and J. Snigula and R. Z{\"o}ller and R. Bender and Taylor, {A. N.} and Valentijn, {E. A.}",

year = "2022",

month = aug,

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doi = "10.1051/0004-6361/202243604",

language = "English",

volume = "644",

journal = "Astronomy & Astrophysics",

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TY - JOUR

T1 - Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey

T2 - LBT observations and data release

AU - Euclid Collaboration

AU - Saglia, R.

AU - De Nicola, S.

AU - Fabricius, M.

AU - Guglielmo, V.

AU - Snigula, J.

AU - Zöller, R.

AU - Bender, R.

AU - Taylor, A. N.

AU - Valentijn, E. A.

PY - 2022/8/30

Y1 - 2022/8/30

N2 - The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Euclid depth (I_E=24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample as representative as possible of the galaxies in the Euclid weak lensing sample is being collected, selecting galaxies from a self-organizing map (SOM) representation of the galaxy color space. Here, we present the results of a near-infrared H- and K-bands spectroscopic campaign carried out using the LUCI instruments at the LBT. For a total of 251 galaxies, we present new highly-reliable redshifts in the 1.3

AB - The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Euclid depth (I_E=24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample as representative as possible of the galaxies in the Euclid weak lensing sample is being collected, selecting galaxies from a self-organizing map (SOM) representation of the galaxy color space. Here, we present the results of a near-infrared H- and K-bands spectroscopic campaign carried out using the LUCI instruments at the LBT. For a total of 251 galaxies, we present new highly-reliable redshifts in the 1.3

KW - Astrophysics - Cosmology and Nongalactic Astrophysics

U2 - 10.1051/0004-6361/202243604

DO - 10.1051/0004-6361/202243604

M3 - Article

SN - 0004-6361

VL - 644

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

M1 - A196

ER -

Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release

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