2014ApJ...781...63F

Query : 2014ApJ...781...63F

2014ApJ...781...63F - Astrophys. J., 781, 63 (2014/February-1)

Selection and mid-infrared spectroscopy of ultraluminous star-forming galaxies at z ∼ 2.

FANG G., HUANG J.-S., WILLNER S.P., KONG X., WANG T., CHEN Y. and LIN X.

Abstract (from CDS):

Starting from a sample of 24 µm sources in the Extended Groth Strip, we use 3.6-8 µm color criteria to select ultraluminous infrared galaxies (ULIRGs) at z ∼ 2. Spectroscopy from 20-38 µm of 14 objects verifies their nature and gives their redshifts. Multi-wavelength data for these objects imply stellar masses >1011 M☉ and star formation rates ≥ 410 M☉/yr. Four objects of this sample observed at 1.6 µm (rest-frame visible) with Hubble Space Telescope/WFC3 show diverse morphologies, suggesting that multiple formation processes create ULIRGs. Of the 14 objects, 4 show signs of active galactic nuclei, but the luminosity appears to be dominated by star formation in all cases.

Abstract Copyright: ∼

Journal keyword(s): cosmology: observations - galaxies: high-redshift - galaxies: photometry - galaxies: starburst - infrared: galaxies

Simbad objects: 18

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Number of rows : 18
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 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
2 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
3 EGSIRAC J141601.52+521550.0 IR 14 16 01.53 +52 15 50.0           ~ 1 0
4 EGSIRAC J141603.66+522122.6 IR 14 16 03.69 +52 21 22.7           ~ 1 0
5 ACS-GC 10103265 rG 14 18 33.216 +52 42 42.10       26.03   ~ 7 0
6 EGSIRAC J141835.11+524933.9 IR 14 18 35.12 +52 49 33.7           ~ 1 0
7 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0
8 CANDELS EGS F160W J141935.7+525109.0 AGN 14 19 35.691 +52 51 08.74   25.28   24.53 24.04 ~ 10 0
9 ACS-GC 10104285 rG 14 19 47.520 +52 50 26.40   27.84   24.65 23.13 ~ 11 0
10 AEGIS20 J141955.30+530322.9 rG 14 19 55.30 +53 03 22.9       26.50   ~ 2 0
11 EGSIRAC J142038.49+525749.8 IR 14 20 38.49 +52 57 50.0           ~ 2 0
12 EGSIRAC J142118.10+531746.4 IR 14 21 18.12 +53 17 46.3           ~ 1 0
13 EGSIRAC J142220.76+532920.1 IR 14 22 20.80 +53 29 20.2           ~ 1 0
14 AEGIS20 J142246.94+532026.1 rG 14 22 46.951 +53 20 26.33   24.89   24.22 24.13 ~ 4 0
15 EGSIRAC J142255.06+533453.8 IR 14 22 55.07 +53 34 53.7           ~ 1 0
16 EGSIRAC J142326.59+533457.9 IR 14 23 26.60 +53 34 58.1           ~ 1 0
17 AEGIS20 J142327.21+532819.6 rG 14 23 27.21 +53 28 19.6       21.54   ~ 2 0
18 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4

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