2011A&A...536A..26P


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.06CEST22:47:00

2011A&A...536A..26P - Astronomy and Astrophysics, volume 536A, 26-26 (2011/12-1)

Planck early results. XXVI. Detection with planck and confirmation by XMM-Newton of PLCK G266.6-27.3, an exceptionally X-ray luminous and massive galaxy cluster at z ∼ 1.

PLANCK COLLABORATION, AGHANIM N., ARNAUD M., ASHDOWN M., ATRIO-BARANDELA F., AUMONT J., BACCIGALUPI C., BALBI A., BANDAY A.J., BARREIRO R.B., BARTLETT J.G., BATTANER E., BENABED K., BENOIT A., BERNARD J.-P., BERSANELLI M., BHATIA R., BOEHRINGER H., BONALDI A., BOND J.R., BORGANI S., BORRILL J., BOUCHET F.R., BROWN M.L., BURIGANA C., CABELLA P., CANTALUPO C.M., CAPPELLINI B., CARVALHO P., CATALANO A., CAYON L., CHIANG L.-Y., CHIANG C., CHON G., CHRISTENSEN P.R., CHURAZOV E., CLEMENTS D.L., COLAFRANCESCO S., COLOMBI S., CRILL B.P., CUTTAIA F., DA SILVA A., DAHLE H., DANESE L., D'ARCANGELO O., DAVIS R.J., DE BERNARDIS P., DE GASPERIS G., DE ZOTTI G., DELABROUILLE J., DELOUIS J.-M., DEMOCLES J., DESERT F.-X., DICKINSON C., DIEGO J.M., DOLE H., DONZELLI S., DORE O., DOUSPIS M., DUPAC X., EFSTATHIOU G., ENSSLIN T.A., ERIKSEN H.K., FINELLI F., FLORES-CACHO I., FORNI O., FOSALBA P., FRAILIS M., FRANCESCHI E., FROMENTEAU S., GALEOTTA S., GANGA K., GENOVA-SANTOS R.T., GIARD M., GONZALEZ-NUEVO J., GONZALEZ-RIESTRA R., GORSKI K.M., GREGORIO A., GRUPPUSO A., HANSEN F.K., HARRISON D., HEINAEMAEKI P., HERNANDEZ-MONTEAGUDO C., HILDEBRANDT S.R., HIVON E., HOBSON M., HURIER G., JAFFE A.H., JONES W.C., JUVELA M., KEIHAENEN E., KESKITALO R., KISNER T.S., KNEISSL R., KURKI-SUONIO H., LAGACHE G., LAEHTEENMAEKI A., LAMARRE J.-M., LASENBY A., LAWRENCE C.R., LE JEUNE M., LEACH S., LEONARDI R., LEROY C., LIDDLE A., LILJE P.B., LOPEZ-CANIEGO M., LUZZI G., MACIAS-PEREZ J.F., MAINO D., MANDOLESI N., MARLEAU F., MARTINEZ-GONZALEZ E., MASI S., MATARRESE S., MAZZOTTA P., MEINHOLD P.R., MELCHIORRI A., MELIN J.-B., MENDES L., MENNELLA A., MIVILLE-DESCHENES M.-A., MONETI A., MONTIER L., MORGANTE G., MORTLOCK D., MUNSHI D., NASELSKY P., NATOLI P., NEVALAINEN J., NORGAARD-NIELSEN H.U., NOVIELLO F., NOVIKOV D., NOVIKOV I., O'DWYER I.J., OSBORNE S., PALADINI R., PASIAN F., PATANCHON G., PEARSON T.J., PERDEREAU O., PEROTTO L., PERROTTA F., PIACENTINI F., PIERPAOLI E., PIFFARETTI R., PLATANIA P., POINTECOUTEAU E., POLENTA G., PONTHIEU N., POPA L., POUTANEN T., PRATT G.W., PREZEAU G., PRUNET S., PUGET J.-L., RACHEN J.P., REBOLO R., REINECKE M., RENAULT C., RICCIARDI S., RILLER T., RISTORCELLI I., ROCHA G., RUBINO-MARTIN J.A., SAAR E., SANDRI M., SAVINI G., SCHAEFER B.M., SCOTT D., SMOOT G.F., STARCK J.-L., SUTTON D., SYGNET J.-F., TAUBER J.A., TERENZI L., TOFFOLATTI L., TOMASI M., TRISTRAM M., TUERLER M., VALENZIANO L., VIELVA P., VILLA F., VITTORIO N., WADE L.A., WANDELT B.D., WELLER J., WHITE S.D.M., WHITE M., YVON D., ZACCHEI A. and ZONCA A.

Abstract (from CDS):

We present first results on PLCKG266.6-27.3, a galaxy cluster candidate detected at a signal-to-noise ratio of 5 in the Planck All Sky survey. An XMM-Newton validation observation has allowed us to confirm that the candidate is a bona fide galaxy cluster. With these X-ray data we measure an accurate redshift, z=0.94±0.02, and estimate the cluster mass to be M500=(7.8±0.8)x1014M. PLCKG266.6-27.3 is an exceptional system: its luminosity of LX[0.5-2.0keV]=(1.4±0.05)x1045erg/s equals that of the two most luminous known clusters in the z > 0.5 universe, and it is one of the most massive clusters at z∼1. Moreover, unlike the majority of high-redshift clusters, PLCKG266.6-27.3 appears to be highly relaxed. This observation confirms Planck's capability of detecting high-redshift, high-mass clusters, and opens the way to the systematic study of population evolution in the exponential tail of the mass function.

Abstract Copyright:

Journal keyword(s): cosmology: observations - galaxies: clusters: general - galaxies: clusters: intracluster medium - X-rays: galaxies: clusters - background radiation cosmic

Simbad objects: 8

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Number of rows : 8

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 PSZ1 G266.56-27.31 ClG 06 15 56.2665 -57 45 50.508           ~ 36 0
2 B3 0714+378 Rad 07 17 36.50 +37 45 23.0           ~ 169 2
3 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 357 0
4 [BCH2008] 146 ClG 10 53 24.78 +57 23 48.2           ~ 6 0
5 ClG J1347-1145 ClG 13 47 33.5 -11 45 42           ~ 469 0
6 ClG J1449+0856 ClG 14 49.0 +08 56           ~ 41 0
7 SPT-CL J2106-5844 ClG 21 06 04 -58 44.6           ~ 60 0
8 ClG J2235-2557 ClG 22 35 20.6 -25 57 42           ~ 138 0

    Equat.    Gal    SGal    Ecl

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2020.07.06-22:47:00

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