First evidence of multiple populations along the AGB from Strömgren photometry

Pieter Gruyters; Luca Casagrande; Antonino P. Milone; Simon T. Hodgkin; Aldo Serenelli; Sofia Feltzing

doi:10.1051/0004-6361/201630341

Home

All issues

Volume 603 (July 2017)

A&A, 603 (2017) A37

Full HTML

Free Access

Table A.1

AGB and RGB star selection rules.

GC	HB y	m₁	CMD	RGB	AGB

M 3	15.5	− 0.1 <m₁< 0.2 or	(v−y) vs. y	Δ(v−y) > 0.06	Δ(v−y) ^a < 0.06
		1.075(b−y)−0.5 <m₁< 1.075(b−y)−0.3

M 92	15	m₁> 0	(v−y) vs. y	Δ(v−y) ^b < 0.03	1 < (v−y) < 1.45, c_y> −0.1
			and c_y vs. b	Δy ^b < 0.2	Δ(v−y)^a< 0.03 and Δy^a< 0.15

NGC 362	15	0.175(u−y)−0.3 <m₁< 0.175(u−y)−0.19	(v−y) vs. y	Δ(v−y) < 0.04 and Δy< 0.18 and	− 2(v−y) + 16.9 <y< −2(v−y) + 17.2
				− 2(v−y) + 17.2 <y and (v−y) < 2.5	1.2 < (v−y) < 1.8

NGC 1851	15.9	0.175(u−y)−0.3 <m₁< 0.175(u−y)−0.175	(v−y) vs. y	Δ(v−y) < 0.04 and Δy< 0.18	7.06c_y + 17.0 <b
			and c_y vs. b	and (v−y) < 1.7	and − 3(v−y) + 19.6 <y

Notes.

^(a)

Distance to a fiducial going through the by-eye identified AGB in the CMD.

^(b)

Distance to a fiducial going through the by-eye identified RGB in the CMD.

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.