The mass function of IC 4665 revisited by the UKIDSS Galactic Clusters Survey

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Table 4

Numbers for the luminosity and mass functions.

ΔMag^a	J_c^b	ΔMass^c	dN^d	dN/dM^e	dN/dlog M^e

13.160–13.776	13.468	0.660–0.470	38	200.4	257.7
13.776–14.368	14.072	0.470–0.310	88	550.0	486.9
14.368–15.010	14.689	0.310–0.200	101	918.2	530.7
15.010–15.605	15.308	0.200–0.135	100	1538.5	585.8
15.605–16.155	15.880	0.135–0.093	80	1904.8	494.3
16.155–16.826	16.491	0.093–0.059	62	1550.0	253.9
16.826–17.296	17.061	0.059–0.044	12	1333.3	148.5
17.296–17.690	17.493	0.044–0.035	4	444.4	40.2
17.690–18.084	17.887	0.035–0.028	4	571.4	41.3
18.084–18.546	18.315	0.028–0.022	3	500.0	28.6

Notes.

^(a)

Magnitude ranges in the J-band.

^(b)

Central magnitudes (J_c).

^(c)

Mass ranges (ΔMass). The mass intervals were chosen identical to those in de Wit et al. (2006) for direct comparison. We assumed an age of 30 Myr and a distance of 350 pc for IC 4665.

^(d)

Numbers of objects per magnitude interval.

^(e)

Mass functions in linear (dN/dM) and logarithmic (dN/ dlog M) scales.

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