2024ApJS..275...17M

Query : 2024ApJS..275...17M

2024ApJS..275...17M - Astrophys. J., Suppl. Ser., 275, 17 (2024/November-0)

UVCANDELS: Catalogs of Photometric Redshifts and Galaxy Physical Properties.

MEHTA V., RAFELSKI M., SUNNQUIST B., TEPLITZ H.I., SCARLATA C., WANG X., FONTANA A., HATHI N.P., IYER K.G., ALAVI A., COLBERT J., GROGIN N., KOEKEMOER A., NEDKOVA K.V., HAYES M., PRICHARD L., SIANA B., SMITH B.M., WINDHORST R., ASHCRAFT T., BAGLEY M., BARONCHELLI I., BARRO G., BLANCHE A., BROUSSARD A., CARLETON T., CHARTAB N., CODOREANU A., COHEN S., CONSELICE C., DAI Y.S., DARVISH B., DAVE R., DEGROOT L., DE MELLO D., DICKINSON M., EMAMI N., FERGUSON H., FERREIRA L., FINKELSTEIN K., FINKELSTEIN S., GARDNER J.P., GAWISER E., GBUREK T., GIAVALISCO M., GRAZIAN A., GRONWALL C., GUO Y., ARRABAL HARO P., HEMMATI S., HOWELL J., JANSEN R.A., JI Z., KAVIRAJ S., KIM K.J., KURCZYNSKI P., LAZAR I., LUCAS R.A., MacKENTY J., MANTHA K.B., MARTIN A., MARTIN G., McCABE T., MOBASHER B., MORALES A.M., O'CONNELL R., OLSEN C., OTTESON L., RAVINDRANATH S., REDSHAW C., RUTKOWSKI M., ROBERTSON B., SATTARI Z., SOTO E., SUN L., TAAMOLI S., VANZELLA E., YUNG L.Y.A., ZABELLE B. (The UVCANDELS Team)

Abstract (from CDS):

The UltraViolet imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) program provides deep Hubble Space Telescope (HST) F275W and F435W imaging over four CANDELS fields (GOODS-N, GOODS-S, COSMOS, and Extended Groth Strip). We combine this newly acquired UV imaging with existing HST imaging from CANDELS as well as existing ancillary data to obtain robust photometric redshifts and reliable estimates for galaxy physical properties for over 150,000 galaxies in the ∼430 arcmin2 UVCANDELS area. Here, we leverage the power of the new UV photometry to not only improve the photometric redshift measurements in these fields, but also constrain the full redshift probability distribution combining multiple redshift-fitting tools. Furthermore, using the full UV-to-IR photometric data set, we measure the galaxy physical properties by fitting templates from population synthesis models with two different parameterizations (flexible and fixed form) of the star formation histories (SFHs). Compared to the flexible SFH parameterization, we find that the fixed-form SFHs systematically underestimate the galaxy stellar masses, both at the low-mass (≲109M⊙) and high-mass (≳1010M⊙) end, by as much as ∼0.5 dex. This underestimation is primarily due the limited ability of fixed-form SFH parameterization to simultaneously capture the chaotic nature of star formation in these galaxies.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Catalogs - Galaxies - Astronomical methods

VizieR on-line data: <Available at CDS (J/ApJS/275/17): photz.dat cos-cig.dat egs-cig.dat gs-cig.dat gn-cig.dat goodssdb.dat goodsndb.dat egs-db.dat cos-db.dat>

Status at CDS : Tables of objects will be appraised for possible ingestion in SIMBAD.

Simbad objects: 5

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Number of rows : 5
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 GOODS Southern Field reg 03 32 28.0 -27 48 30           ~ 1623 1
2 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
3 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
4 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 1364 1
5 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0

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