CLASH-VLT: Substructure in the galaxy cluster MACS J1206.2-0847 from kinematics of galaxy populations

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Volume 579 (July 2015)

A&A, 579 (2015) A4

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Table 1

Spectral type classification.

Galaxy characteristics	Class	N_g	EW([OII])^a	EW(Hδ)

Passive	PAS	183	absent	absent
Strong Hδ absorption & red color	HDSr^b	38	absent	>3 Å
Strong Hδ absorption & blue color	HDSb^b	5	absent	>5 Å
Weak emission lines	wELG	17	>−7Å	any
Medium emission lines	mELG^a	24	(−15 Å, −7 Å]	any
Strong emission lines	sELG^a	101	(−40 Å, −15 Å]	any
Very strong emission lines	vsELG^a	43	≤−40 Å	any

Notes.

^(a)

In four cases EW([OIII]) were used, see the text and Table 2;

^(b)

The HDS class (N_g = 44) is formed of HDSr and HDSb galaxies, and an additional galaxy with strong Hδ absorption, which can be classified as neither HDSr nor HDSb;

^(c)

The ELG class (N_g = 168) is formed of mELG, sELG, and vsELG. Throughout the paper we use PASs, HDSrs, HDSbs, and w/m/s/vsELGs to refer to the respective member galaxies.

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