2006AJ....131.2571L

Query : 2006AJ....131.2571L

2006AJ....131.2571L - Astron. J., 131, 2571-2579 (2006/May-0)

The initial mass functions of four embedded stellar clusters.

LEISTRA A., COTERA A.S. and LIEBERT J.

Abstract (from CDS):

We present near-infrared J, H, and K images of four embedded stellar clusters in the Galaxy. We find a significant fraction of pre-main-sequence stars present in at least one of the clusters. For the clusters dominated by main-sequence stars, we determine the initial mass function (IMF) both by using the K luminosity function and a global extinction correction and by deriving individual extinction corrections for each star based on their placement in the K versus H-K color-magnitude diagram. Based on our IMFs we find a significant discrepancy between the mean IMF derived via the different methods, suggesting that taking individual extinctions into account is necessary to correctly derive the IMF for an embedded cluster.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: General - Stars: Formation - Stars: Luminosity Function, Mass Function

CDS comments: IRAS 06058+2158 is a misprint for IRAS 06058+2138

Simbad objects: 9

Full paper

View the references in ADS

Number of rows : 9

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Sp type	#ref 1850 - 2026	#notes
1	LBN 159.17+03.33	HII	04 58 45.7	+47 59 36			~	86	1
2	RAFGL 5180	SFR	06 08 54.1	+21 38 25			~	125	0
3	RAFGL 5186	HII	06 13 16.34	+15 22 42.2			~	29	1
4	IRAS 06104+1524A	HII	06 13 21.40	+15 23 57.2			~	22	0
5	SH 2-258	HII	06 13 28	+17 55.5			~	78	0
6	IC 466	HII	07 08 37	-04 18.8			~	49	0
7	NGC 4147	GlC	12 10 06.149	+18 32 31.78	11.45	10.74	~	616	0
8	[DBS2003] 131	OpC	13 11 39.400	-62 33 11.55			~	16	0
9	M 16	OpC	18 18 45.1	-13 47 31			~	1084	1

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