2003MNRAS.338..665B

Query : 2003MNRAS.338..665B

2003MNRAS.338..665B - Mon. Not. R. Astron. Soc., 338, 665-672 (2003/January-3)

The impact of mass loss on star cluster formation - I. Analytical results.

BOILY C.M. and KROUPA P.

Abstract (from CDS):

We study analytically the disruptive effect of instantaneous gas removal from a cluster containing O stars. We set up an iterative calculation based on the stellar velocity distribution function to compute the fraction of stars that remain bound once the cluster has ejected the gas and is out of equilibrium. We show that the stellar bound fraction is a function of the initial cluster distribution function as well as the star-formation efficiency, ε, taken constant throughout the cluster. The case of the Plummer sphere is dealt with in greater detail, where we find that up to ≃50 per cent of the stars may remain bound when ε assumes values <1/2, contrary to expectations derived from the virial theorem. The fraction of bound stars is expressed algebraically for polytropic distribution functions.

Abstract Copyright: RAS

Journal keyword(s): stars: evolution - stars: formation - galaxies: star clusters

Simbad objects: 1

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Number of rows : 1
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 2282 RNe 06 46 51 +01 18.9   10       ~ 51 2

Query : 2003MNRAS.338..665B

Basic data :
NGC 2282 -- Reflection Nebula
Other object types: otypes_help 		RNe (DG,[RK68]), V* (AAVSO), HII (BFS), * (VDB), ISM (Ced)
ICRS coord. (ep=J2000) : 		06 46 51.0 +01 18 54 [ ] E ~
FK4 coord. (ep=B1950 eq=1950) : 		06 44 15.7 +01 22 12 [ ]
Gal coord. (ep=J2000) : 		211.2386 -00.4209 [ ]
Fluxes (1) :
B 10 [~] E ~
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 8 		Display criteria :

Identifiers (8) :
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NGC 2282 Ced 87 IC 2172 [RK68] 63
BFS 54 DG 112 VDB 85 AAVSO 0641+01

References (51 between 1850 and 2026) (Total 51)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Data at NED - NASA/IPAC Extragalactic Database : NGC 2282

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NGC 2282 VDB 85

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