TY - JOUR
T1 - The ALMA Frontier Fields Survey
T2 - II. Multiwavelength Photometric analysis of 1.1 mm continuum sources in Abell 2744, MACSJ0416.1-2403 and MACSJ1149.5+2223
AU - Laporte, N.
AU - Bauer, F. E.
AU - Troncoso-Iribarren, P.
AU - Huang, X.
AU - González-López, J.
AU - Kim, S.
AU - Anguita, T.
AU - Aravena, M.
AU - Barrientos, L. F.
AU - Bouwens, R.
AU - Bradley, L.
AU - Brammer, G.
AU - Carrasco, M.
AU - Carvajal, R.
AU - Coe, D.
AU - Demarco, R.
AU - Ellis, R. S.
AU - Ford, H.
AU - Francke, H.
AU - Ibar, E.
AU - Infante, L.
AU - Kneissl, R.
AU - Koekemoer, A. M.
AU - Messias, H.
AU - Muñoz Arancibia, A.
AU - Nagar, N.
AU - Padilla, N.
AU - Pelló, R.
AU - Postman, M.
AU - Quénard, D.
AU - Romero-Cañizales, C.
AU - Treister, E.
AU - Villard, E.
AU - Zheng, W.
AU - Zitrin, A.
N1 - Funding Information:
Acknowledgements. We would like to thank the anonymous referee for the constructive comments we received to improve our paper. We acknowledge support from: European Research Council Advanced Grant FP7/669253 (NL, RSE); CONICYT-Chile grants Basal-CATA PFB-06/2007 (N.L., F.E.B., P.T.-I., J.G.-L., S.K., R.C., R.D., L.I., N.N., N..P, C.R.-C., E.T.), CONICYT-Gemini 32120003 (N.L., J.G.-L.), FONDECYT Regular 1141218 (N.L., F.E.B., J.G.-L.) and 1130528 (E.T.), FONDECYT Postdoctorado 3140542 (P.T.-I.), 3150238 (C.R.-C.) and “EMBIGGEN” Anillo ACT1101 (F.E.B., N.N., E.T.); the Ministry of Economy, Development, and Tourism’s Millennium Science Initiative through grant IC120009, awarded to The Millennium Institute of Astrophysics, MAS (F.E.B., T.A., C.R.-C.). M.A. acknowledges partial support from FONDECYT through grant 1140099. R.P. thanks the support of the OCEVU Labex (ANR-11-LABX-0060) and the A*MIDEX project (ANR-11-IDEX-0001-02) funded by the “Investissements d’Avenir” French government program managed by the ANR. This paper makes use of the following ALMA data: ADS/JAO.ALMA#2013.1.00999.S. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada) and NSC and ASIAA (Taiwan), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO and NAOJ. This work is based on observations made with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute (STScI), which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. The HST image mosaics were produced by the Frontier Fields Science Data Products Team at STScI. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. This work utilizes gravitational lensing models produced by PIs Bradac, Ebeling, Merten & Zitrin, Sharon, and Williams funded as part of the HST Frontier Fields program conducted by STScI. STScI is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS 5-26555. The lens models were obtained from the Mikulski Archive for Space Telescopes (MAST).
PY - 2017/8/1
Y1 - 2017/8/1
N2 - Context. The Hubble and Spitzer Space Telescope surveys of the Frontier Fields provide extremely deep images around six massive, strong-lensing clusters of galaxies. The ALMA Frontier Fields survey aims to cover the same fields at 1.1 mm, with maps reaching (unlensed) sensitivities of <70 μJy, in order to explore the properties of background dusty star-forming galaxies. Aims. We report on the multi-wavelength photometric analysis of all 12 significantly detected (>5σ) sources in the first three Frontier Fields clusters observed by ALMA, based on data from Hubble and Spitzer, the Very Large Telescope and the Herschel Space Observatory. Methods. We measure the total photometry in all available bands and determine the photometric redshifts and the physical properties of the counterparts via SED-fitting. In particular, we carefully estimate the far-infrared (FIR) photometry using 1.1mm priors to limit the misidentification of blended FIR counterparts, which strongly affect some flux estimates in previous FIR catalogs. Due to the extremely red nature of these objects, we used a large range of parameters (e.g. 0.0 < Av < 20.0) and templates (including AGNs and ULIRGs models). Results. We identify robust near-infrared (NIR) counterparts for all 11 sources with Ks detection, the majority of which are quite red, with eight having F814W - Ks ≳ 4 and five having F160W - [4.5] ≳ 3. From the FIR point of view, all our objects have zphot ∼ 1â€"3, whereas based on the optical SED one object prefers a high-z solution (z ≳ 7). Five objects among our sample have spectroscopic redshifts from the GLASS survey for which we can reproduce their SEDs with existing templates. This verification confirms the validity of our photometric redshift methodology. The mean redshift of our sample is zphot = 1.99 ± 0.27. All 1.1mm selected objects are massive (10.0 < log[M∗(M⊙)] < 11.5), with high star formation rates (〈log[SFR(M⊙=yr)]〉 ≈ 1.6) and high dust contents (8.1 < log[Mdust(M⊙)] < 8.8), consistent with previous ALMA surveys.
AB - Context. The Hubble and Spitzer Space Telescope surveys of the Frontier Fields provide extremely deep images around six massive, strong-lensing clusters of galaxies. The ALMA Frontier Fields survey aims to cover the same fields at 1.1 mm, with maps reaching (unlensed) sensitivities of <70 μJy, in order to explore the properties of background dusty star-forming galaxies. Aims. We report on the multi-wavelength photometric analysis of all 12 significantly detected (>5σ) sources in the first three Frontier Fields clusters observed by ALMA, based on data from Hubble and Spitzer, the Very Large Telescope and the Herschel Space Observatory. Methods. We measure the total photometry in all available bands and determine the photometric redshifts and the physical properties of the counterparts via SED-fitting. In particular, we carefully estimate the far-infrared (FIR) photometry using 1.1mm priors to limit the misidentification of blended FIR counterparts, which strongly affect some flux estimates in previous FIR catalogs. Due to the extremely red nature of these objects, we used a large range of parameters (e.g. 0.0 < Av < 20.0) and templates (including AGNs and ULIRGs models). Results. We identify robust near-infrared (NIR) counterparts for all 11 sources with Ks detection, the majority of which are quite red, with eight having F814W - Ks ≳ 4 and five having F160W - [4.5] ≳ 3. From the FIR point of view, all our objects have zphot ∼ 1â€"3, whereas based on the optical SED one object prefers a high-z solution (z ≳ 7). Five objects among our sample have spectroscopic redshifts from the GLASS survey for which we can reproduce their SEDs with existing templates. This verification confirms the validity of our photometric redshift methodology. The mean redshift of our sample is zphot = 1.99 ± 0.27. All 1.1mm selected objects are massive (10.0 < log[M∗(M⊙)] < 11.5), with high star formation rates (〈log[SFR(M⊙=yr)]〉 ≈ 1.6) and high dust contents (8.1 < log[Mdust(M⊙)] < 8.8), consistent with previous ALMA surveys.
KW - Galaxies: distances and redshifts
KW - Galaxies: high-redshift
KW - Galaxies: photometry
KW - Infrared: galaxies
KW - Radio continuum: galaxies
KW - Submillimeter: galaxies
UR - http://www.scopus.com/inward/record.url?scp=85028571609&partnerID=8YFLogxK
U2 - 10.1051/0004-6361/201730628
DO - 10.1051/0004-6361/201730628
M3 - Review article
AN - SCOPUS:85028571609
SN - 0004-6361
VL - 604
JO - Astronomy and Astrophysics
JF - Astronomy and Astrophysics
M1 - A132
ER -