An accurate cluster selection function for the J-PAS narrow-band wide-field survey

DOI: 
10.1093/mnras/stv2988
Publication date: 
01/03/2016
Main author: 
Ascaso, B.
IAA authors: 
Benitez, N.; Schoenell, W.
Authors: 
Ascaso, B.; Benitez, N.; Dupke, R.; Cypriano, E.; Lima-Neto, G.; Lopez-Sanjuan, C.; Varela, J.; Alcaniz, J. S.; Broadhurst, T.; Cenarro, A. J.; Chandrachani Devi, N.; Diaz-Garcia, L. A.; Fernandes, C. A. C.; Hernandez-Monteagudo, C.; Mei, S.; Mendes de Oliveira, C.; Molino, A.; Oteo, I.; Schoenell, W.; Sodre, L.; Viironen, K.; Marin-Franch, A.
Journal: 
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Publication type: 
Article
Volume: 
456
Pages: 
4291-4304
Number: 
Abstract: 
The impending Javalambre Physics of the accelerating Universe Astrophysical Survey (J-PAS) will be the first wide-field survey of greater than or similar to 8500 deg(2) to reach the 'stage IV' category. Because of the redshift resolution afforded by 54 narrow-band filters, J-PAS is particularly suitable for cluster detection in the range z < 1. The photometric redshift dispersion is estimated to be only similar to 0.003 with few outliers less than or similar to 4 per cent for galaxies brighter than i similar to 23 AB, because of the sensitivity of narrow band imaging to absorption and emission lines. Here, we evaluate the cluster selection function for J-PAS using N-body+semi-analytical realistic mock catalogues. We optimally detect clusters from this simulation with the Bayesian Cluster Finder, and we assess the completeness and purity of cluster detection against the mock data. The minimum halo mass threshold we find for detections of galaxy clusters and groups with both >80 per cent completeness and purity is M-h similar to 5 x 10(13) M-circle dot up to z similar to 0.7. We also model the optical observable, M-CL*-halo mass relation, finding a non-evolution with redshift and main scatter of sigma M-CL*vertical bar M-h similar to 0.14 dex down to a factor 2 lower in mass than other planned broad-band stage IV surveys, at least. For the sigma M-CL*vertical bar M-h similar to 1 x 10(14) M-circle dot Planck mass limit, J-PAS will arrive up to z similar to 0.85 with a m 0.12 dex. Therefore, J-PAS will provide the largest sample of clusters and groups up to z similar to 0.8 with a mass calibration accuracy comparable to X-ray data.
Database: 
ADS
WOK
SCOPUS
URL: 
https://ui.adsabs.harvard.edu/#abs/2016MNRAS.456.4291A/abstract
ADS Bibcode: 
2016MNRAS.456.4291A
Keywords: 
surveys; galaxies: clusters: general; cosmology: miscellaneous; cosmology: observations; dark matter; large-scale structure of Universe