2008PASP..120.1097H


Query : 2008PASP..120.1097H

2008PASP..120.1097H - Publ. Astron. Soc. Pac., 120, 1097-1102 (2008/October-0)

Chemical analysis of five red giants in the globular cluster M10 (NGC 6254).

HAYNES S., BURKS G., JOHNSON C.I. and PILACHOWSKI C.A.

Abstract (from CDS):

We have determined Al, α, Fe-peak, and neutron capture elemental abundances for five red-giant branch (RGB) stars in the Galactic globular cluster M10. Abundances were determined using equivalent width analyses of moderate-resolution spectra obtained with the Hydra multifiber positioner and bench spectrograph on the WIYN telescope. The data sample the upper RGB from the luminosity level near the horizontal branch to about 0.5 mag below the RGB tip. We find, in agreement with previous studies, that M10 is moderately metal-poor with . All stars appear enhanced in Al with , but no stars have. We find the α elements to be enhanced by to and the Fe-peak elements to have , which are consistent with predictions from type II SNe ejecta. Additionally, the cluster appears to be r-process rich with.

Abstract Copyright: ∼

Journal keyword(s): Star Clusters and Associations

Simbad objects: 9

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Number of rows : 9
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 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
2 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
3 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
4 NGC 6254 3053 RG* 16 56 53.5986814608 -04 08 14.530924212   14.9094 13.7346   12.3605 ~ 12 0
5 2MASS J16565993-0404393 RG* 16 56 59.9481783600 -04 04 39.367998588   15.2376 14.1729   12.8954 ~ 8 0
6 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
7 NGC 6254 4030 RG* 16 57 13.7339326920 -04 08 35.303311860   14.2163 12.8367   11.2600 ~ 13 0
8 2MASS J16571511-0408066 RG* 16 57 15.1293115968 -04 08 06.701266536   15.6600 14.5877   13.2726 ~ 7 0
9 NGC 6254 4086 RG* 16 57 25.8776381640 -04 06 17.577059904   14.4985 13.1904   11.6937 ~ 15 0

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