A comparative study on the reliability of open cluster parameters

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Volume 582 (October 2015)

A&A, 582 (2015) A19

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Table 3

The parameters for the selected open clusters.

Cluster	log t	d	E(B − V)	α/δ (2000)	Radius r₁/r₂^c
		[pc]	[mag]	hh:mm:ss/dd:mm:ss	[′]

IC 4651 (5′)	9.15	1004	0.15	17:24:47/−49:56:18		B11^a
	8.92	888	0.12	17:24:50/−49:55:48	5.4/10.8	K05^b
	9.25	888	0.121	17:24:54/−49:56:06	9.6/14.4	K13^a
	9.057	888	0.116			L01^b
	9.34	771	0.02	17:24:42/−49:55:00		T02^b
NGC 2158 (1.́5)	9.10	4058	0.44	06:07:26/+24:05:46		B11^a
	9.30	3300	0.34	06:07:28/+24:05:53		G10^a
	9.33	4770	0.333	06:07:26/+24:05:31	8.4/15.0	K13^a
	9.023	5071	0.36			L01^b
	9.20	5012	0.40	06:07:24/+24:05:00		T02^b
	9.00	4980	0.35	06:07:25/+24:05:48		T08^a
NGC 2383 (2.́5)	8.60	3494	0.31	07:24:41/−20:56:43		B11^a
	8.64	1655	0.21	07:24:38/−20:57:00	3.6/6.0	K05^b
	8.69	1655	0.21	07:24:41/−20:56:24	4.2/7.5	K13^a
	7.167	1655	0.213			L01^b
	7.60	3048	0.28	07:24:42/−20:55:00		T02^b
NGC 2489 (5′)	8.45	1846	0.44	07:56:17/−30:03:26		B11^a
	7.25	3700	0.37	07:56:17/−30:03:36	3.6/6.6	K05^b
	7.315	2255	0.729	07:56:18/−30:03:58	4.2/7.5	K13^a
	7.264	3957	0.374			L01^b
	8.25	1148	0.40	07:56:12/−30:03:00		T02^b
NGC 2627 (4′)	9.15	1871	0.06	08:37:13/−29:57:50		B11^a
	8.71	2034	0.09	08:37:14/−29:57:00	4.8/7.8	K05^b
	9.225	2712	0.104	08:37:19/−29:56:42	5.4/9.9	K13^a
	8.566	2034	0.086			L01^b
	8.60	1515	0.05	08:37:18/−29:56:00		T02^b
NGC 6603 (2′)	8.75	1900	0.62	18:18:28/−18:24:34		B11^a
	7.80	2880	0.50	18:18:24/−18:25:48	3.6/7.2	K05^b
	8.40	2325	0.833	18:18:25/−18:25:48	4.2/8.4	K13^a
	8.80	1570	0.56	18:18:30/−18:24:00		T02^b
	8.30	3495	0.77	18:18:26/−18:24:24		T08^a
Trumpler 14 (2.́5)	6.85	2249	0.87	10:43:46/−59:33:45		B11^a
	6.67	2753	0.45	10:43:55/−59:33:00	4.2/6.0	K05^b
	6.00	2248	0.75	10:43:55/−59:33:18	4.2/7.8	K13^a
	6.828	2733	0.516			L01^b
	7.10	2427	0.50	10:43:56/−59:33:00		T02^b

Notes. The radii used for the CMDs in Figs. 4, 7, and 8 are given in parentheses next to the object designations.

^(a)

The parameters were derived using NIR 2MASS data.

^(b)

The parameters were derived using data in the visual.

^(c)

r₁: The radius where the decrease of stellar surface density stops abruptly; r₂: The radius where the surface density of stars becomes equal to the average density of the surrounding field.

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