2023ApJ...957...46M

Query : 2023ApJ...957...46M

2023ApJ...957...46M - Astrophys. J., 957, 46 (2023/November-1)

Rest-frame Near-infrared Radial Light Profiles up to z = 3 from JWST/NIRCam: Wavelength Dependence of the Sérsic Index.

MARTORANO M., VAN DER WEL A., BELL E.F., FRANX M., WHITAKER K.E., NERSESIAN A., PRICE S.H., BAES M., SUESS K.A., NELSON E.J., MILLER T.B., BEZANSON R. and BRAMMER G.

Abstract (from CDS):

We examine the wavelength dependence of radial light profiles based on Sérsic index n measurements of 1067 galaxies with M* ≥ 109.5M⊙ and in the redshift range 0.5 < z < 3. The sample and rest-frame optical light profiles are drawn from the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) and 3D Hubble Space Telescope (HST); rest-frame near-infrared light profiles are inferred from images collected for the Cosmic Evolution Early Release Science (CEERS) program with the Near Infrared Camera (NIRCam) on board of the James Webb Space Telescope (JWST). n shows only a weak dependence on the wavelength, regardless of the redshift, galaxy mass, and type. On average, star-forming galaxies have n = 1-1.5 and quiescent galaxies have n = 3-4 in the rest-frame optical and near-infrared. The strong correlation at all wavelengths between n and star formation activity implies a physical connection between the radial stellar mass profile and star formation activity. The main caveat is that the current sample is too small to discern trends for the most massive galaxies (M* > 1011M⊙).

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galaxy structure - Galaxy evolution - Galaxy luminosities - Galaxy quenching

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 Extended Groth Strip reg 14 19 +52.8           ~ 1023 0

Query : 2023ApJ...957...46M

Basic data :
NAME Extended Groth Strip -- Region defined in the Sky
Other object types: otypes_help 		reg ()
ICRS coord. (ep=J2000) : 		14 19 00.0 +52 48 00 [ ] E ~
FK4 coord. (ep=B1950 eq=1950) : 		14 17 16.3 +53 01 45 [ ]
Gal coord. (ep=J2000) : 		096.4814 +59.5977 [ ]
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Identifiers (2) :
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NAME EGS NAME Extended Groth Strip

References (1023 between 1850 and 2026) (Total 1023)
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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