UltraVISTA: a new ultra-deep near-infrared survey in COSMOS
Centre National de la Recherche Scientifique · Institut d'Astrophysique de Paris · +8 more institutions
Abstract
In this paper we describe the first data release of the UltraVISTA near-infrared imaging survey of the COSMOS field. We summarise the key goals and design of the survey and provide a detailed description of our data reduction techniques. We provide stacked, sky-subtracted images in YJHKs and narrow-band filters constructed from data collected during the first year of UltraVISTA observations. Our stacked images reach 5σAB depths in an aperture of 2″ diameter of ~25 in Y and ~24 in JHKs bands and all have sub-arcsecond seeing. To this 5σ limit, our Ks catalogue contains 216 268 sources. We carry out a series of quality assessment tests on our images and catalogues, comparing our stacks with existing catalogues.…
Citation impact
- FWCI
- 99.07
- Percentile
- 100%
- References
- 50
Authors
21- HJH. J. McCrackenCorresponding
Centre National de la Recherche Scientifique, Institut d'Astrophysique de Paris, Sorbonne Université
- BMB. Milvang-Jensen
University of Copenhagen
- JDJ. Dunlop
Royal Observatory, University of Edinburgh
- MFM. Franx
Leiden University
- JPJ. P. U. Fynbo
University of Copenhagen
Topics & keywords
- Data reduction
- Stars
- Point (geometry)
- Pixel
- Galaxy
- Aperture (computer memory)
- Astrometry
- Tangent