On the massive star content of the nearby dwarf irregular Wolf-Rayet galaxy IC 4662

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Volume 499 / No 2 (May IV 2009)

A&A, 499 2 (2009) 455-464

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Table 4:

Vega magnitudes from ACS/HRC (ACS/WFC for A1-WR3 and A1-WR4) imaging, plus inferred cluster properties from STARBURST99 (Leitherer et al. 1999) models, for ages of $\sim$ 4.5 Myr ( $\sim$ 6 Myr for A1-C1).
Source		A1-WR1	A1-WR2	A1-C1	A2-WR1	A2-WR2	A2-WR3	A1-WR3	A1-WR4
Aperture		#1	#1		#4	#3	#3	(A1-NW)	(A1-NW)
RA (J2000)		17:47:08.66	17:47:08.77	17:47:09.45	17:47:11.03	17:47:10.52	17:47:10.74	17:47:08.18	17:47:08.20
Dec (J2000)		-64:38:17.1	-64:38:18.1	-64:38:18.8	-64:38:21.2	-64:38:20.6	-64:38:20.6	-64:38:09.8	-64:38:09.7
$m_{\rm F550M}$	(mag)	19.53	20.82	18.72	19.25	19.85	19.97	20.17¹	20.29¹
$m_{\rm F435W} - m_{\rm F550M}$	(mag)	-0.18	-0.35	-0.18	-0.18	-0.09	0.16	-	-
E(B-V)	(mag)	(0.07)	(0.07)	(0.07)	(0.07)	0.08	0.33	(0.07)	(0.07)
$M_{\rm F550M}$	(mag)	-7.6	-6.3	-8.4	-7.9	-7.3	-7.9	-7.0¹	-6.9¹
Mass	(10 $^{3}~M_\odot$ )			3.4		1.3	2.3
WR?		1-2 $~\times~$ WN5-6ha	WN5-6?	--	1-2 $~\times~$ WN5-6ha	WN5-6 or WC	WN5-6 or WC	WC?	WC?

Note: adopted interstellar extinctions are shown in parenthesis.
$^{1} m_{\rm F606W}$ .

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