2016A&A...596A.108P


C.D.S. - SIMBAD4 rel 1.7 - 2019.08.22CEST10:16:46

2016A&A...596A.108P - Astronomy and Astrophysics, volume 596A, 108-108 (2016/12-1)

Planck intermediate results. XLVII. Planck constraints on reionization history.

PLANCK COLLABORATION, ADAM R., AGHANIM N., ASHDOWN M., AUMONT J., BACCIGALUPI C., BALLARDINI M., BANDAY A.J., BARREIRO R.B., BARTOLO N., BASAK S., BATTYE R., BENABED K., BERNARD J.-P., BERSANELLI M., BIELEWICZ P., BOCK J.J., BONALDI A., BONAVERA L., BOND J.R., BORRILL J., BOUCHET F.R., BOULANGER F., BUCHER M., BURIGANA C., CALABRESE E., CARDOSO J.-F., CARRON J., CHIANG H.C., COLOMBO L.P.L., COMBET C., COMIS B., COUCHOT F., COULAIS A., CRILL B.P., CURTO A., CUTTAIA F., DAVIS R.J., DE BERNARDIS P., DE ROSA A., DE ZOTTI G., DELABROUILLE J., DI VALENTINO E., DICKINSON C., DIEGO J.M., DORE O., DOUSPIS M., DUCOUT A., DUPAC X., ELSNER F., ENSSLIN T.A., ERIKSEN H.K., FALGARONE E., FANTAYE Y., FINELLI F., FORASTIERI F., FRAILIS M., FRAISSE A.A., FRANCESCHI E., FROLOV A., GALEOTTA S., GALLI S., GANGA K., GENOVA-SANTOS R.T., GERBINO M., GHOSH T., GONZALEZ-NUEVO J., GORSKI K.M., GRUPPUSO A., GUDMUNDSSON J.E., HANSEN F.K., HELOU G., HENROT-VERSILLE S., HERRANZ D., HIVON E., HUANG Z., ILIC S., JAFFE A.H., JONES W.C., KEIHANEN E., KESKITALO R., KISNER T.S., KNOX L., KRACHMALNICOFF N., KUNZ M., KURKI-SUONIO H., LAGACHE G., LAHTEENMAKI A., LAMARRE J.-M., LANGER M., LASENBY A., LATTANZI M., LAWRENCE C.R., LE JEUNE M., LEVRIER F., LEWIS A., LIGUORI M., LILJE P.B., LOPEZ-CANIEGO M., MA Y.-Z., MACIAS-PEREZ J.F., MAGGIO G., MANGILLI A., MARIS M., MARTIN P.G., MARTINEZ-GONZALEZ E., MATARRESE S., MAURI N., McEWEN J.D., MEINHOLD P.R., MELCHIORRI A., MENNELLA A., MIGLIACCIO M., MIVILLE-DESCHENES M.-A., MOLINARI D., MONETI A., MONTIER L., MORGANTE G., MOSS A., NASELSKY P., NATOLI P., OXBORROW C.A., PAGANO L., PAOLETTI D., PARTRIDGE B., PATANCHON G., PATRIZII L., PERDEREAU O., PEROTTO L., PETTORINO V., PIACENTINI F., PLASZCZYNSKI S., POLASTRI L., POLENTA G., PUGET J.-L., RACHEN J.P., RACINE B., REINECKE M., REMAZEILLES M., RENZI A., ROCHA G., ROSSETTI M., ROUDIER G., RUBINO-MARTIN J.A., RUIZ-GRANADOS B., SALVATI L., SANDRI M., SAVELAINEN M., SCOTT D., SIRRI G., SUNYAEV R., SUUR-USKI A.-S., TAUBER J.A., TENTI M., TOFFOLATTI L., TOMASI M., TRISTRAM M., TROMBETTI T., VALIVIITA J., VAN TENT F., VIELVA P., VILLA F., VITTORIO N., WANDELT B.D., WEHUS I.K., WHITE M., ZACCHEI A. and ZONCA A.

Abstract (from CDS):

We investigate constraints on cosmic reionization extracted from the Planck cosmic microwave background (CMB) data. We combine the Planck CMB anisotropy data in temperature with the low-multipole polarization data to fit ΛCDM models with various parameterizations of the reionization history. We obtain a Thomson optical depth τ=0.058±0.012 for the commonly adopted instantaneous reionization model. This confirms, with data solely from CMB anisotropies, the low value suggested by combining Planck 2015 results with other data sets, and also reduces the uncertainties. We reconstruct the history of the ionization fraction using either a symmetric or an asymmetric model for the transition between the neutral and ionized phases. To determine better constraints on the duration of the reionization process, we also make use of measurements of the amplitude of the kinetic Sunyaev-Zeldovich (kSZ) effect using additional information from the high-resolution Atacama Cosmology Telescope and South Pole Telescope experiments. The average redshift at which reionization occurs is found to lie between z=7.8 and 8.8, depending on the model of reionization adopted. Using kSZ constraints and a redshift-symmetric reionization model, we find an upper limit to the width of the reionization period of Δz<2.8. In all cases, we find that the Universe is ionized at less than the 10% level at redshifts above z~=10. This suggests that an early onset of reionization is strongly disfavoured by the Planck data. We show that this result also reduces the tension between CMB-based analyses and constraints from other astrophysical sources.

Abstract Copyright: © ESO, 2016

Journal keyword(s): cosmic background radiation - dark ages, reionization, first stars - polarization

Simbad objects: 1

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Number of rows : 1

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 GRB 140515A gB 12 24 15.48 +15 06 17.7           ~ 49 0

    Equat.    Gal    SGal    Ecl

C.D.S. - SIMBAD4 rel 1.7 - 2019.08.22CEST10:16:46

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Basic data :
GRB 140515A -- gamma-ray Burst
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
gB (GRB)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
12 24 15.48 +15 06 17.7 (X-ray) [ 1800 1800 0 ] D 2014GCN.16270....1G
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
12 21 43.55 +15 22 54.8 [ 1800 1800 0 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
273.83056 +76.41620 [ 1800 1800 0 ]
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
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  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 288828 [~] / z(~) 6.327 [~] / cz 1896787 [~]
   D 2015MNRAS.448.1494K
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GRB 140515A

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References (49 between 1850 and 2019) (Total 49)
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2019.08.22-10:16:46

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