2020A&A...635A...7N

Query : 2020A&A...635A...7N

2020A&A...635A...7N - Astronomy and Astrophysics, volume 635A7-7 (2020/3-1)

NOEMA redshift measurements of bright Herschel galaxies.

NERI R., COX P., OMONT A., BEELEN A., BERTA S., BAKX T., LEHNERT M., BAKER A.J., BUAT V., COORAY A., DANNERBAUER H., DUNNE L., DYE S., EALES S., GAVAZZI R., HARRIS A.I., HERRERA C.N., HUGHES D., IVISON R., JIN S., KRIPS M., LAGACHE G., MARCHETTI L., MESSIAS H., NEGRELLO M., PEREZ-FOURNON I., RIECHERS D.A., SERJEANT S., URQUHART S., VLAHAKIS C., WEISS A., VAN DER WERF P., YANG C. and YOUNG A.J.

Abstract (from CDS):

Using the IRAM NOrthern Extended Millimeter Array (NOEMA), we conducted a program to measure redshifts for 13 bright galaxies detected in the Herschel Astrophysical Large Area Survey with S500µm≥80mJy. We report reliable spectroscopic redshifts for 12 individual sources, which are derived from scans of the 3 and 2mm bands, covering up to 31 GHz in each band, and are based on the detection of at least two emission lines. The spectroscopic redshifts are in the range 2.08<z<4.05 with a median value of z=2.9±0.6. The sources are unresolved or barely resolved on scales of 10kpc. In one field, two galaxies with different redshifts were detected. In two cases the sources are found to be binary galaxies with projected distances of ∼140kpc. The linewidths of the sources are large, with a mean value for the full width at half maximum of 700±300km/s and a median of 800km/s. We analyze the nature of the sources with currently available ancillary data to determine if they are lensed or hyper-luminous (LFIR>1013L☉) galaxies. We also present a reanalysis of the spectral energy distributions including the continuum flux densities measured at 3 and 2 mm to derive the overall properties of the sources. Future prospects based on these efficient measurements of redshifts of high-z galaxies using NOEMA are outlined, including a comprehensive survey of all the brightest Herschel galaxies.

Abstract Copyright: © R. Neri et al. 2020

Journal keyword(s): galaxies: high-redshift - galaxies: ISM - gravitational lensing: strong - submillimeter: galaxies - radio lines: ISM

VizieR on-line data: <Available at CDS (J/A+A/635/A7): table1.dat table3.dat table4.dat table5.dat table6.dat sp1/* sp2/* list.dat fits/*>

Nomenclature: Fig. 3-5, Table 3-4: [NCO2020] HerBS-NNN N=8 among (Nos 34-173), [NCO2020] HerBS-NNa (Nos 43a-43b, 89a-89b), [NCO2020] HerBS-NNNW (Nos 70E-70W, 95E-95W, 204E-204W).

Simbad objects: 36

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Number of rows : 36
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 HXMM01 G 02 20 16.5 -06 01 43           ~ 31 0
2 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
3 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 489 0
4 QSO B1202-074 QSO 12 05 23.1360370080 -07 42 32.759842896     17.5     ~ 389 5
5 NAME SMM J123652+621225 smm 12 36 51.976 +62 12 25.80           ~ 186 0
6 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
7 [NCO2020] HerBS-70w mm 13 01 39.31 +29 29 25.2           ~ 3 0
8 HerBS 70 LeG 13 01 40.2 +29 29 18           ~ 11 0
9 FIRST J130140.3+292916 mm 13 01 40.33 +29 29 16.2           ~ 3 0
10 HerBS 58 G 13 03 33.17 +24 46 42.3           ~ 10 0
11 H-ATLAS J131211.5+323837 G 13 12 11.35 +32 38 37.8           ~ 6 0
12 H-ATLAS J131434.1+335219 G 13 14 34.08 +33 52 20.1           ~ 6 0
13 HerBS 54 G 13 15 40.72 +26 23 19.6           ~ 9 0
14 HerBS 89 G 13 16 11.5 +28 12 19           ~ 11 0
15 [NCO2020] HerBS-89a mm 13 16 11.52 +28 12 17.7           ~ 5 0
16 [NCO2020] HerBS-89b mm 13 16 11.93 +28 12 16.7           ~ 1 0
17 HerBS 173 LeG 13 18 04.15 +32 50 15.9           ~ 3 0
18 H-ATLAS J132258.2+325050 G 13 22 58.11 +32 50 51.7           ~ 6 0
19 [NCO2020] HerBS-43a mm 13 24 18.79 +32 07 54.4           ~ 2 0
20 HerBS 43 G 13 24 19.0 +32 07 52           ~ 9 0
21 [NCO2020] HerBS-43b mm 13 24 19.24 +32 07 49.2           ~ 2 0
22 [NCO2020] HerBS-204W mm 13 29 09.21 +30 09 58.7           ~ 2 0
23 HerBS 204 LeG 13 29 09.5 +30 09 57           ~ 7 0
24 [NCO2020] HerBS-204E mm 13 29 09.74 +30 09 57.5           ~ 1 0
25 NAME Cosmic Eyebrow LeG 13 29 34.18 +22 43 27.3           ~ 12 0
26 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
27 HerBS 44 LeG 13 32 55.85 +34 22 08.4           ~ 10 0
28 HerBS 34 G 13 34 13.87 +26 04 57.5           ~ 8 0
29 BRI B1335-0417 G 13 38 03.4151935680 -04 32 34.981751112   19.4       ~ 112 0
30 [NCO2020] HerBS-95W mm 13 43 41.55 +26 39 22.7           ~ 2 0
31 H-ATLAS J134342.5+263919 G 13 43 42.5 +26 39 19           ~ 7 0
32 [NCO2020] HerBS-95E mm 13 43 42.73 +26 39 18.0           ~ 2 0
33 NAME SMM J14009+0252 rG 14 00 57.538 +02 52 49.85           ~ 46 0
34 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
35 EM* MWC 349 ** 20 32 45.499080 +40 39 36.74124   15.88 13.15 12.13   Bep 837 0
36 NAME Eyelash LeG 21 35 11.60 -01 02 52.0           ~ 245 0

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