2020MNRAS.497.3846M

Query : 2020MNRAS.497.3846M

2020MNRAS.497.3846M - Mon. Not. R. Astron. Soc., 497, 3846-3859 (2020/September-3)

A chromosome map to unveil stellar populations with different magnesium abundances. The case of ω Centauri.

MILONE A.P., MARINO A.F., RENZINI A., LI C., JANG S., LAGIOIA E.P., TAILO M., CORDONI G., CARLOS M. and DONDOGLIO E.

Abstract (from CDS):

Historically, photometry has been largely used to identify stellar populations [multiple populations (MPs)] in globular clusters (GCs) by using diagrams that are based on colours and magnitudes that are mostly sensitive to stars with different metallicities or different abundances of helium, carbon, nitrogen, and oxygen. In particular, the pseudo-two-colour diagram called chromosome map (ChM), allowed the identification and the characterization of MPs in about 70 GCs by using appropriate filters of the Hubble Space Telescope (HST) that are sensitive to the stellar content of He, C, N, O, and Fe.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: photometric - stars: abundances - stars: population II - globular clusters: general

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
2 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
3 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
4 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0

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