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@article{Aghanim:2015:0004-6361/201424790,
author = {Aghanim, N and Altieri, B and Arnaud, M and Ashdown, M and Aumont, J and Baccigalupi, C and Banday, AJ and Barreiro, RB and Bartolo, N and Battaner, E and Beelen, A and Benabed, K and Benoit-Levy, A and Bernard, J-P and Bersanelli, M and Bethermin, M and Bielewicz, P and Bonavera, L and Bond, JR and Borrill, J and Bouchet, FR and Boulanger, F and Burigana, C and Calabrese, E and Canameras, R and Cardoso, J-F and Catalano, A and Chamballu, A and Chary, R-R and Chiang, HC and Christensen, PR and Clements, DL and Colombi, S and Couchot, F and Crill, BP and Curto, A and Danese, L and Dassas, K and Davies, RD and Davis, RJ and de, Bernardis P and de, Rosa A and de, Zotti G and Delabrouille, J and Diego, JM and Dole, H and Donzelli, S and Dore, O and Douspis, M and Ducout, A and Dupac, X and Efstathiou, G and Elsner, F and Ensslin, TA and Falgarone, E and Flores-Cacho, I and Forni, O and Frailis, M and Fraisse, AA and Franceschi, E and Frejsel, A and Frye, B and Galeotta, S and Galli, S and },
doi = {0004-6361/201424790},
journal = {Astronomy & Astrophysics},
title = {Planck intermediate results XXVII. High-redshift infrared galaxy overdensity candidates and lensed sources discovered by Planck and confirmed by Herschel-SPIRE},
url = {http://dx.doi.org/10.1051/0004-6361/201424790},
volume = {582},
year = {2015}
}

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TY  - JOUR
AB  - We have used the Planck all-sky submillimetre and millimetre maps to search for rare sources distinguished by extreme brightness, a few hundred millijanskies, and their potential for being situated at high redshift. These “cold” Planck sources, selected using the High Frequency Instrument (HFI) directly from the maps and from the Planck Catalogue of Compact Sources (PCCS), all satisfy the criterion of having their rest-frame far-infrared peak redshifted to the frequency range 353–857 GHz. This colour-selection favours galaxies in the redshift range z = 2–4, which we consider as cold peaks in the cosmic infrared background. With a  beam at the four highest frequencies, our sample is expected to include overdensities of galaxies in groups or clusters, lensed galaxies, and chance line-of-sight projections. We perform a dedicated Herschel-SPIRE follow-up of 234 such Planck targets, finding a significant excess of red 350 and 500μm sources, in comparison to reference SPIRE fields. About 94% of the SPIRE sources in the Planck fields are consistent with being overdensities of galaxies peaking at 350μm, with 3% peaking at 500μm, and none peaking at 250μm. About 3% are candidate lensed systems, all 12 of which have secure spectroscopic confirmations, placing them at redshifts z> 2.2. Only four targets are Galactic cirrus, yielding a success rate in our search strategy for identifying extragalactic sources within the Planck beam of better than 98%. The galaxy overdensities are detected with high significance, half of the sample showing statistical significance above 10σ. The SPIRE photometric redshifts of galaxies in overdensities suggest a peak at z  2, assuming a single common dust temperature for the sources of Td = 35 K. Under this assumption, we derive an infrared (IR) luminosity for each SPIRE source of about 4 × 1012L, yielding star formation rates of typically 700 M yr-1. If the observed overdensities are actual gr
AU  - Aghanim,N
AU  - Altieri,B
AU  - Arnaud,M
AU  - Ashdown,M
AU  - Aumont,J
AU  - Baccigalupi,C
AU  - Banday,AJ
AU  - Barreiro,RB
AU  - Bartolo,N
AU  - Battaner,E
AU  - Beelen,A
AU  - Benabed,K
AU  - Benoit-Levy,A
AU  - Bernard,J-P
AU  - Bersanelli,M
AU  - Bethermin,M
AU  - Bielewicz,P
AU  - Bonavera,L
AU  - Bond,JR
AU  - Borrill,J
AU  - Bouchet,FR
AU  - Boulanger,F
AU  - Burigana,C
AU  - Calabrese,E
AU  - Canameras,R
AU  - Cardoso,J-F
AU  - Catalano,A
AU  - Chamballu,A
AU  - Chary,R-R
AU  - Chiang,HC
AU  - Christensen,PR
AU  - Clements,DL
AU  - Colombi,S
AU  - Couchot,F
AU  - Crill,BP
AU  - Curto,A
AU  - Danese,L
AU  - Dassas,K
AU  - Davies,RD
AU  - Davis,RJ
AU  - de,Bernardis P
AU  - de,Rosa A
AU  - de,Zotti G
AU  - Delabrouille,J
AU  - Diego,JM
AU  - Dole,H
AU  - Donzelli,S
AU  - Dore,O
AU  - Douspis,M
AU  - Ducout,A
AU  - Dupac,X
AU  - Efstathiou,G
AU  - Elsner,F
AU  - Ensslin,TA
AU  - Falgarone,E
AU  - Flores-Cacho,I
AU  - Forni,O
AU  - Frailis,M
AU  - Fraisse,AA
AU  - Franceschi,E
AU  - Frejsel,A
AU  - Frye,B
AU  - Galeotta,S
AU  - Galli,S
AU  - Ganga,K
AU  - Giard,M
AU  - Gjerlow,E
AU  - Gonzalez-Nuevo,J
AU  - Gorski,KM
AU  - Gregorio,A
AU  - Gruppuso,A
AU  - Guery,D
AU  - Hansen,FK
AU  - Hanson,D
AU  - Harrison,DL
AU  - Helou,G
AU  - Hernandez-Monteagudo,C
AU  - Hildebrandt,SR
AU  - Hivon,E
AU  - Hobson,M
AU  - Holmes,WA
AU  - Hovest,W
AU  - Huffenberger,KM
AU  - Hurier,G
AU  - Jaffe,AH
AU  - Jaffe,TR
AU  - Keihaenen,E
AU  - Keskitalo,R
AU  - Kisner,TS
AU  - Kneissl,R
AU  - Knoche,J
AU  - Kunz,M
AU  - Kurki-Suonio,H
AU  - Lagache,G
AU  - Lamarre,J-M
AU  - Lasenby,A
AU  - Lattanzi,M
AU  - Lawrence,CR
AU  - Le,Floc'h E
AU  - Leonardi,R
AU  - Levrier,F
AU  - Liguori,M
AU  - Lilje,PB
AU  - Linden-Vornle,M
AU  - Lopez-Caniego,M
AU  - Lubin,PM
AU  - Macias-Perez,JF
AU  - MacKenzie,T
AU  - Maffei,B
AU  - Mandolesi,N
AU  - Maris,M
AU  - Martin,PG
AU  - Martinache,C
AU  - Martinez-Gonzalez,E
AU  - Masi,S
AU  - Matarrese,S
AU  - Mazzotta,P
AU  - Melchiorri,A
AU  - Mennella,A
AU  - Migliaccio,M
AU  - Moneti,A
AU  - Montier,L
AU  - Morgante,G
AU  - Mortlock,D
AU  - Munshi,D
AU  - Murphy,JA
AU  - Natoli,P
AU  - Negrello,M
AU  - Nesvadba,NPH
AU  - Novikov,D
AU  - Novikov,I
AU  - Omont,A
AU  - Pagano,L
AU  - Pajot,F
AU  - Pasian,F
AU  - Perdereau,O
AU  - Perotto,L
AU  - Perrotta,F
AU  - Pettorino,V
AU  - Piacentini,F
AU  - Piat,M
AU  - Plaszczynski,S
AU  - Pointecouteau,E
AU  - Polenta,G
AU  - Popa,L
AU  - Pratt,GW
AU  - Prunet,S
AU  - Puget,J-L
AU  - Rachen,JP
AU  - Reach,WT
AU  - Reinecke,M
AU  - Remazeilles,M
AU  - Renault,C
AU  - Ristorcelli,I
AU  - Rocha,G
AU  - Roudier,G
AU  - Rusholme,B
AU  - Sandri,M
AU  - Santos,D
AU  - Savini,G
AU  - Scott,D
AU  - Spencer,LD
AU  - Stolyarov,V
AU  - Sunyaev,R
AU  - Sutton,D
AU  - Sygnet,J-F
AU  - Tauber,JA
AU  - Terenzi,L
AU  - Toffolatti,L
AU  - Tomasi,M
AU  - Tristr
DO  - 0004-6361/201424790
PY  - 2015///
SN  - 1432-0746
TI  - Planck intermediate results XXVII. High-redshift infrared galaxy overdensity candidates and lensed sources discovered by Planck and confirmed by Herschel-SPIRE
T2  - Astronomy & Astrophysics
UR  - http://dx.doi.org/10.1051/0004-6361/201424790
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000363538500030&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/43995
VL  - 582
ER  -

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