2026ApJ...997..301Z

Query : 2026ApJ...997..301Z

2026ApJ...997..301Z - Astrophys. J., 997, 301 (2026/February-1)

SMILES Data Release. II. Probing Galaxy Evolution during Cosmic Noon and Beyond with NIRSpec Medium-resolution Spectra.

ZHU Y., BONAVENTURA N., SUN Y., RIEKE G.H., ALBERTS S., LYU J., SHIVAEI I., MORRISON J., JI Z., EGAMI E., HELTON J.M., RIEKE M.J., RINALDI P., SUN F. and WILLMER C.N.A.

Abstract (from CDS):

We present the second data release of the Systematic Mid-Infrared Instrument Legacy Extragalactic Survey (SMILES), focusing on JWST/NIRSpec medium-resolution spectroscopy of galaxies across cosmic time. This release includes spectroscopic observations of 166 galaxies spanning 0 < z < 7.5, sampling star-forming galaxies, quiescent systems, and active galactic nuclei (AGNs), with an emphasis on galaxies at cosmic noon (z ∼ 1-3). We describe the target selection strategy, the observational setup with the G140M/F100LP and G235M/F170LP gratings, and the data calibration process. The final data products include the reduced spectra, redshift catalog, emission-line catalogs produced with GELATO for emission-line galaxies and pPXF fits for quiescent systems, and ancillary spectral energy distribution fit results derived from multiband photometry. The SMILES NIRSpec dataset enables investigations of obscured AGNs, multiphase outflows, ionizing properties, and the role of environment in galaxy evolution. All data products are publicly available through STScI/MAST at https://archive.stsci.edu/hlsp/smiles.

Abstract Copyright: © 2026. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): High-redshift galaxies - Galaxy spectroscopy - Active galactic nuclei

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

Simbad objects: 7

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Number of rows : 7
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 GOODS-MUSIC 70258 EmG 03 32 30.4541 -27 48 16.580           ~ 10 0
3 ACS-GC 90045460 Sy2 03 32 31.462 -27 46 23.07 25.05 23.96 23.64 23.28 23.001 ~ 118 0
4 JADES-GS NC 87191 EmG 03 32 34.11 -27 49 57.6           ~ 8 0
5 NAME BzK 4892 Sy2 03 32 35.73 -27 49 16.2   25.681 27.798 25.00 24.645 ~ 89 0
6 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
7 JADES-GS NC 206183 G 03 32 42.3813 -27 47 07.869           ~ 2 0

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