2009AJ....137..246P

Query : 2009AJ....137..246P

2009AJ....137..246P - Astron. J., 137, 246-256 (2009/January-0)

The ACS survey of galactic globular clusters. VI. NGC 6366: a heavily stripped galactic globular cluster.

PAUST N.E.Q., APARICIO A., PIOTTO G., REID I.N., ANDERSON J., SARAJEDINI A., BEDIN L.R., CHABOYER B., DOTTER A., HEMPEL M., MAJEWSKI S., MARIN-FRANCH A., MILONE A., ROSENBERG A. and SIEGEL M.

Abstract (from CDS):

We have used observations obtained as part of the Hubble Space Telescope/ACS Survey of Galactic globular clusters (GCs) to construct a color-magnitude diagram for the bulge cluster, NGC 6366. The luminosity function derived from those data extends to MF606W∼ 9, or masses of ∼0.3 M☉. Unlike most GCs, the mass function peaks near the main-sequence turnoff with significantly fewer low-mass stars even after correction for completeness and mass segregation. Using a multimass King model, we extrapolate the global cluster behavior and find the global mass function to be poorly matched by a power law, with a particular deficit of stars with masses between 0.5 and 0.7 M☉. We briefly discuss this interesting anomaly within the context of tidal stripping.

Abstract Copyright: ∼

Journal keyword(s): galaxies: luminosity function, mass function - globular clusters: general - globular clusters: individual: NGC 6366

Simbad objects: 15

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Number of rows : 15
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 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
3 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 547 0
4 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
5 NGC 2516 OpC 07 58 00.5 -60 46 36           ~ 793 0
6 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
7 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
8 Cl Pal 5 GlC 15 16 05.30 -00 06 41.0   15.1       ~ 797 1
9 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
10 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
11 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
12 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 344 0
13 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
14 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
15 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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