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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/33182
Title: New insights on the accuracy of photometric redshift measurements
Authors: Massarotti, M.
IOVINO, Angela 
BUZZONI, Alberto 
Valls-Gabaud, D.
Issue Date: 2001
Journal: ASTRONOMY & ASTROPHYSICS 
Number: 380
Issue: 2
First Page: 425
Abstract: We use the deepest and most complete redshift catalog currently available (the Hubble Deep Field (HDF) North supplemented by new HDF South redshift data) to minimize residuals between photometric and spectroscopic redshift estimates. The good agreement at z<SUB>spec</SUB> < 1.5 shows that model libraries provide a good description of the galaxy population. At z<SUB>spec</SUB> >= 2.0, the systematic shift between photometric and spectroscopic redshifts decreases when the modeling of the absorption by the interstellar and intergalactic media is refined. As a result, in the entire redshift range z in [0, 6], residuals between photometric and spectroscopic redshifts are roughly halved. For objects fainter than the spectroscopic limit, the main source of uncertainty in photometric redshifts is related to photometric errors, and can be assessed with Monte Carlo simulations.
URI: http://hdl.handle.net/20.500.12386/33182
URL: https://www.aanda.org/articles/aa/abs/2001/47/aah2978/aah2978.html
http://arxiv.org/abs/astro-ph/0110292v1
ISSN: 0004-6361
DOI: 10.1051/0004-6361:20011409
Bibcode ADS: 2001A&A...380..425M
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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