Planck 2015 results
Free Access

Table 5

Main characteristics of LFI full mission maps.

Frequency band

Characteristic 30 GHz 44 GHz 70 GHz

Centre frequency [GHz] ................................................................................................ 28.4 44.1 70.4
Effective beam FWHMa [arcmin] ............................................................ 32.29 27.00 13.21
Effective beam ellipticitya ......................................................................... 1.32 1.04 1.22
Temperature noise ()b [μKCMB] ..................................... 2.5 2.7 3.5
Polarization noise (Q and U; )b [μKCMB] ............ 3.5 4.0 5.0
Overall calibration uncertaintyc [%] ............................................................. 0.35 0.26 0.20
Systematic effects uncertainty in Stokes Id [μKCMB] ............ 0.19 0.39 0.40
Systematic effects uncertainty in Stokes Qd [μKCMB] .......... 0.20 0.23 0.45
Systematic effects uncertainty in Stokes Ud [μKCMB] .......... 0.40 0.45 0.44

Notes.

(a)

Calculated from the main beam solid angle of the effective beam, Ωeff = mean(Ω). These values are used in the source extraction pipeline (Planck Collaboration XXVI 2016).

(b)

Noise rms computed after smoothing to .

(c)

Sum of the error determined from the absolute and relative calibration, see Planck Collaboration IV (2016).

(d)

Estimated rms values over the full sky and after full mission integration. Not included here are gain reconstruction uncertainties, estimated to be of order 0.1%.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.