Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Adding harmonics to the interpretation of the black hole mergers of
  GWTC-1   We consider the ten confidently detected gravitational wave signals in the
GWTC-1 catalog [1] which are consistent with mergers of binary black hole
systems, and re-analyze them with waveform models that contain subdominant
spherical harmonic modes. This analysis is based on the current (fourth)
generation of the IMRPhenom family of phenomenological waveform models, which
consists of the IMRPhenomX frequency-domain models [2-5] and the IMRPhenomT
time-domain models [6-8]. We find overall consistent results, with all
Jensen-Shannon divergences between the previous results using IMRPhenomPv2 and
our default IMRPhenomXPHM posterior results below 0.045 bits. Effects of
subdominant harmonics are however visible for several events, and for GW170729
our new time domain IMRPhenomTPHM model provides the best fit and shifts the
posterior further toward more unequal masses and a higher primary mass of
$57.3^{+12.0}_{-10.9}$ solar masses at the lower end of the PISN mass gap.

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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: math
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The categories of this paper are: eess
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The categories of this paper are: physics
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: q-fin
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The categories of this paper are: quant-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: comp-gas
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The categories of this paper are: cond-mat
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The categories of this paper are: nucl-ex
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The categories of this paper are: alg-geom
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The categories of this paper are: math-ph
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The categories of this paper are: cmp-lg