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Table 2.

Critical points associated with Coma.

Mass selected galaxies

CP type SD0−2σ SD0−3σ SD1−2σ SD1−3σ Malavasi et al. (2020b)
n × rvir 1.5 2.5 3.5 3.5 1
Minima 0 0 0 0 0
1-saddles 0 0 0 0 0
2-saddles 0 0 0 0 0
Maxima 0 0 0 0 1
Bifurcations 1 1 2 2 1

Magnitude selected galaxies

CP type SD0−2σ SD0−3σ SD1−2σ SD1−3σ Malavasi et al. (2020b)

n × rvir 1 1 1 1 1
Minima 0 0 0 0 0
1-saddles 0 0 0 0 0
2-saddles 0 0 0 0 0
Maxima 0 0 0 1 1
Bifurcations 1 1 1 1 1

Notes. The first four columns refer to the critical points detected with the various combinations of DisPerSE parameters within a few virial radii of the simulated Coma (see text and first row of each subtable, where the exact number of virial radii for the search of critical points to be matched with the simulated Coma is expressed). The last column provides the critical points detected within the virial radius of the real Coma in Malavasi et al. (2020b). In this case, FoG distortions are introduced in the galaxy distribution prior to the filament extraction with DisPerSE.

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