2024A&A...691A.308S

Query : 2024A&A...691A.308S

2024A&A...691A.308S - Astronomy and Astrophysics, volume 691A308 (2024/11-1)

Value-added catalog of physical properties for more than 1.3 million galaxies from the DESI survey.

SIUDEK M., PUCHA R., MEZCUA M., JUNEAU S., AGUILAR J., AHLEN S., BROOKS D., CIRCOSTA C., CLAYBAUGH T., COLE S., DAWSON K., DE LA MACORRA A., DEY A., DEY B., DOEL P., FONT-RIBERA A., FORERO-ROMERO J.E., GAZTANAGA E., GONTCHO A GONTCHO S., GUTIERREZ G., HONSCHEID K., HOWLETT C., ISHAK M., KEHOE R., KIRKBY D., KISNER T., KREMIN A., LAMBERT A., LANDRIAU M., LE GUILLOU L., MANERA M., MARTINI P., MEISNER A., MIQUEL R., MOUSTAKAS J., NEWMAN J.A., NIZ G., PAN Z., PERCIVAL W.J., POPPETT C., PRADA F., ROSSI G., SAINTONGE A., SANCHEZ E., SCHLEGEL D., SCHOLTE D., SCHUBNELL M., SEO H., SPERANZA F., SPRAYBERRY D., TARLE G., WEAVER B.A. and ZOU H.

Abstract (from CDS):

Aims. We present an extensive catalog of the physical properties of more than a million galaxies investigated with the Dark Energy Spectroscopic Instrument (DESI), one of the largest spectroscopic surveys to date. Spanning a full range of target types, including emission-line galaxies, luminous red galaxies, and quasars, our survey encompasses an unprecedented range of spectroscopic redshifts, all the way from 0 to 6.
Methods. The physical properties, such as stellar masses and star formation rates, were derived via the CIGALE spectral energy distribution (SED) fitting code accounting for the contribution coming from active galactic nuclei (AGNs). Based on the modeling of the optical-mid-infrared (grz supplemented with WISE photometry) SEDs, we studied the galaxy properties with respect to their location on the main sequence.
Results. We have revised the dependence of stellar mass estimates on model choices and on the availability of WISE photometry. Indeed, the WISE data are required to minimize the misclassification of star-forming galaxies as AGNs. The lack of WISE bands in SED fits leads to elevated AGN fractions for 68% of star-forming galaxies identified using emission line diagnostic diagrams, but this does not significantly affect their stellar mass or star formation estimates.

Abstract Copyright: © The Authors 2024

Journal keyword(s): catalogs - galaxies: active - galaxies: evolution - galaxies: general - galaxies: nuclei - galaxies: Seyfert

VizieR on-line data: <Available at CDS (J/A+A/691/A308): catalog.dat>

Status at CDS : All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0

Query : 2024A&A...691A.308S

Basic data :
NAME COSMOS Field -- Region defined in the Sky
Other object types: otypes_help 		reg ()
ICRS coord. (ep=J2000) : 		10 00 28.60 +02 12 21.0 [ ] D 2007ApJS..172..523M
FK4 coord. (ep=B1950 eq=1950) : 		09 57 53.49 +02 26 47.1 [ ]
Gal coord. (ep=J2000) : 		236.82224 +42.12163 [ ]
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Identifiers (1) :
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NAME COSMOS Field

References (3639 between 1850 and 2026) (Total 3639)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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