Pith. sign in

REVIEW

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

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 2206.01620 v3 pith:BGENMNTC submitted 2022-06-03 astro-ph.CO

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

Euclid Collaboration: R. Saglia , S. De Nicola , M. Fabricius , V. Guglielmo , J. Snigula , R. Z\"oller , R. Bender , J. Heidt
show 177 more authors
D. Masters D. Stern S. Paltani A. Amara N. Auricchio M. Baldi C. Bodendorf D. Bonino E. Branchini M. Brescia J. Brinchmann S. Camera V. Capobianco C. Carbone J. Carretero M. Castellano S. Cavuoti R. Cledassou G. Congedo C.J. Conselice L. Conversi Y. Copin L. Corcione F. Courbin M. Cropper A. Da Silva H. Degaudenzi M. Douspis F. Dubath C.A.J. Duncan X. Dupac S. Dusini S. Farrens M. Frailis E. Franceschi S. Galeotta B. Garilli W. Gillard B. Gillis C. Giocoli A. Grazian F. Grupp S.V.H. Haugan H. Hoekstra W. Holmes F. Hormuth A. Hornstrup K. Jahnke M. K\"ummel S. Kermiche A. Kiessling M. Kunz H. Kurki-Suonio R. Laureijs S. Ligori P. B. Lilje I. Lloro E. Maiorano O. Marggraf K. Markovic F. Marulli R. Massey H.J. McCracken M. Melchior G. Meylan M. Moresco L. Moscardini E. Munari S.M. Niemi C. Padilla F. Pasian K. Pedersen W.J. Percival V. Pettorino S. Pires M. Poncet L. Popa L. Pozzetti F. Raison A. Renzi J. Rhodes G. Riccio E. Romelli E. Rossetti D. Sapone B. Sartoris P. Schneider A. Secroun G. Seidel C. Sirignano G. Sirri L. Stanco P. Tallada-Cresp\'i D. Tavagnacco A.N. Taylor I. Tereno R. Toledo-Moreo F. Torradeflot I. Tutusaus E.A. Valentijn L. Valenziano T. Vassallo Y. Wang A. Zacchei G. Zamorani J. Zoubian S. Andreon S. Bardelli J. Graci\'a-Carpio D. Maino N. Mauri A. Tramacere E. Zucca A. Alvarez Ayllon H. Aussel C. Baccigalupi A. Balaguera-Antol\'inez M. Ballardini A. Biviano M. Bolzonella E. Bozzo C. Burigana R. Cabanac A. Cappi C.S. Carvalho S. Casas G. Castignani A. Cooray J. Coupon H.M. Courtois S. Davini G. Desprez H. Dole J.A. Escartin S. Escoffier M. Farina S. Fotopoulou K. Ganga J. Garcia-Bellido K. George F. Giacomini G. Gozaliasl H. Hildebrandt I. Hook O. Ilbert V. Kansal A. Kashlinsky E. Keihanen C.C. Kirkpatrick A. Loureiro J. Mac\'ias-P\'erez M. Magliocchetti G. Mainetti R. Maoli M. Martinelli N. Martinet R. B. Metcalf G. Morgante S. Nadathur A.A. Nucita L. Patrizii V. Popa C. Porciani D. Potter A. Pourtsidou P. Reimberg A.G. S\'anchez Z. Sakr M. Schirmer E. Sefusatti M. Sereno J. Stadel R. Teyssier C. Valieri J. Valiviita A. Veropalumbo M. Viel
This is my paper
classification astro-ph.CO
keywords calibrationspectroscopiceuclidcellscolor-redshiftcompletegalaxiesrelation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
0 comments
Share X Bluesky LinkedIn Reddit HN
read the original 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<= z <=1.7 and 2<= z<=2.7 ranges. The newly-determined redshifts populate 49 SOM cells which previously contained no spectroscopic measurements and almost double the occupation numbers of an additional 153 SOM cells. A final optical ground-based observational effort is needed to calibrate the missing cells in particular in the redshift range 1.7<= z<=2.7 that lack spectroscopic calibration. In the end, Euclid itself will deliver telluric-free NIR spectra that can complete the calibration.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.