2002AJ....124.2006F


Query : 2002AJ....124.2006F

2002AJ....124.2006F - Astron. J., 124, 2006-2011 (2002/October-0)

The possible origin of the faint fuzzy clusters in NGC 1023.

FELLHAUER M. and KROUPA P.

Abstract (from CDS):

In the lenticular galaxy NGC 1023 a new population of star clusters (``faint fuzzies'') was recently discovered by Larsen & Brodie. These clusters are found inside the disk and are faint (23≤V≤24 mag) and extended, with effective radii of reff~7 to 15 pc. We present N-body calculations of a likely formation scenario through merging star clusters in clusters of star clusters (superclusters). Such superclusters are observed to form in interacting galaxies. The resulting merger objects have masses comparable to the ``faint fuzzies'' and show large effective radii (reff>7 pc). Even though these objects are suffering from strong tidal forces they are able to survive and reach the estimated ages of the extended star clusters in NGC 1023.

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Journal keyword(s): Galaxies: Individual: NGC Number: NGC 1023 - Galaxies: Interactions - Galaxies: Star Clusters - Methods: {em N}-Body Simulations

Simbad objects: 5

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Number of rows : 5
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 1023 AG? 02 40 24.0133575864 +39 03 47.663392896 10.91 10.35 9.35 7.83   ~ 689 2
2 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
3 RFD S PoG 12 01 50.55 -18 52 11.5           ~ 17 0
4 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
5 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1

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