2010AJ....140..631B

Query : 2010AJ....140..631B

2010AJ....140..631B - Astron. J., 140, 631-641 (2010/August-0)

New Hubble space telescope WFC3/UVIS observations augment the stellar-population complexity of ω Centauri.

BELLINI A., BEDIN L.R., PIOTTO G., MILONE A.P., MARINO A.F. and VILLANOVA S.

Abstract (from CDS):

We used archival multi-band Hubble Space Telescope observations obtained with the Wide Field Camera 3 in the UV-optical channel to present important new observational findings on the color-magnitude diagram (CMD) of the Galactic globular cluster ω Centauri. The UV WFC3 data have been coupled with available Wide Field Channel/Advanced Camera for Surveys optical-band data. The new CMDs, obtained from the combination of colors coming from eight different bands, disclose an even more complex stellar population than previously identified. This paper discusses the detailed morphology of the CMDs.

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Journal keyword(s): catalogs - globular clusters: individual: NGC 5139 - Hertzsprung-Russell and C-M diagrams - stars: Population II

VizieR on-line data: <Available at CDS (J/AJ/140/631): catalog.dat>

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 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
3 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
4 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0

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