Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Revised planet brightness temperatures using the Planck/LFI 2018 data
  release   We present new estimates of the brightness temperatures of Jupiter, Saturn,
Uranus, and Neptune based on the measurements carried in 2009--2013 by
PLANCK/LFI at 30, 44, and 70 GHz and released to the public in 2018. This work
extends the results presented in the 2013 and 2015 PLANCK/LFI Calibration
Papers, based on the data acquired in 2009--2011. PLANCK observed each planet
up to eight times during the nominal mission. We processed time-ordered data
from the 22 LFI radiometers to derive planet antenna temperatures for each
planet and transit. We accounted for the beam shape, radiometer bandpasses, and
several systematic effects. We compared our results with the results from the
ninth year of WMAP, PLANCK/HFI observations, and existing data and models for
planetary microwave emissivity. For Jupiter, we obtain Tb = 144.9, 159.8, 170.5
K (+/- 0.2 K at 1 sigma, with temperatures expressed using the Rayleigh-Jeans
scale) at 30, 44 and 70 GHz, respectively, or equivalently a band averaged
Planck temperature TbBA=144.7$, 160.3, 171.2 K in good agreement with WMAP and
existing models. A slight excess at 30 GHz with respect to models is
interpreted as an effect of synchrotron emission. Our measures for Saturn agree
with the results from WMAP for rings Tb = 9.2 +/- 1.4, 12.6 +/- 2.3, 16.2 +/-
0.8 K, while for the disc we obtain Tb = 140.0 +/- 1.4, 147.2 +/- 1.2, 150.2
+/- 0.4 K, or equivalently a TbBA=139.7, 147.8, 151.0 K. Our measures for
Uranus (Tb = 152 +/- 6, 145 +/- 3, 132.0 +/- 2 K, or TbBA=152, 145, 133 K and
Neptune Tb = 154 +/- 11, 148 +/- 9, 128 +/- 3 K, or TbBA=154 , 149, 128 K)
agree closely with WMAP and previous data in literature.

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The categories of this paper are: math
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The categories of this paper are: cs
21
The categories of this paper are: adap-org
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The categories of this paper are: mtrl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: gr-qc
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The categories of this paper are: q-bio
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The categories of this paper are: nucl-th
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The categories of this paper are: quant-ph
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The categories of this paper are: stat
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The categories of this paper are: hep-lat
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The categories of this paper are: acc-phys
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-th