Variability survey of brightest stars in selected OB associations

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Table 1

Observed fields.

Field	RA	Dec	Nights	Cluster	Cluster age
	hms	deg			Myr

Berkeley 87	20:23:23	+37:14:50	363	Berkeley 87	2.5 ^a	14 ^b	13 ^c	14 ^d
				MWSC 3336	30 ^c
NGC 6913	20:24:00	+38:15:43	333	NGC 6913	5 ^b	32 ^c	13 ^d	5 ^e	1.75 ^f
Cyg OB2	20:32:41	+41:22:00	359	Cygnus OB2	5 ^c	1 ^g	1−7 ^h
				FSR 0236	158 ^b	158 ^c
Berkeley 86	20:18:57	+38:44:43	231	Berkeley 86	3 ^a	13 ^b	6 ^c
P Cygni	20:18:56	+38:02:09	218	IC 4996	7 ^b	14 ^c	9 ^d	10 ⁱ
				Dolidze 42	35 ^b	33 ^c	35 ^d
				Berkeley 85	1000 ^b	1160 ^c	1000 ⁱ
NGC 7510	23:14:30	+60:30:30	240	NGC 7510	22 ^b	50 ^c	38 ^d	10 ^j	6 ^k
				Markarian 50	12 ^b	13 ^c	12 ^d	7.5 ^l
				FSR 0422	461 ^b	461 ^c
NGC 7654	23:25:24	+61:23:40	244	NGC 7654	158 ^b	79 ^c	58 ^d	10 ⁱ	100 ^m
				Czernik 43	40 ^b	58 ^c	50 ^d
PZ Cas	23:45:52	+61:56:00	222	Stock 17	6 ^b	10 ^c	4−25 ⁿ
NGC 581	01:35:18	+60:49:30	160	NGC 581	22 ^b	28 ^c	16 ^o
NGC 663	01:45:37	+61:12:00	153	NGC 663	25 ^b	32 ^c	20 ^p	13 ^q	20−25 ^r
NGC 869/884	02:20:07	+57:07:55	158	NGC 869	12 ^b	19 ^c	11 ^s	13.5 ^t
				NGC 884	13 ^b	16 ^c	11 ^s	14 ^t
NGC 957	02:30:17	+57:39:30	131	NGC 957	10 ^b	18 ^c	11 ^d	10 ^u
IC 1805	02:33:00	+61:33:00	127	IC 1805	3 ^b	18 ^c	7 ^d	1−7 ^s	1−3 ^v
EO Per	02:53:45	+57:36:00	123	–
Gem OB1	06:11:00	+23:02:00	159	Gemini OB1	9 ^r

Reference.

^(a)

Massey et al. (2001);

^(b)

Dias et al. (2002)²;

^(c)

MWSC, Kharchenko et al. (2013)³;

^(d)

WEBDA⁴;

^(e)

Straižys et al. (2014);

^(f)

Joshi et al. (1983);

^(g)

Massey et al. (1995);

^(h)

Wright et al. (2014);

⁽ⁱ⁾

Maciejewski & Niedzielski (2007);

^(j)

Barbon & Hassan (1996);

^(k)

Piskunov et al. (2004);

^(l)

Baume et al. (2004);

^(m)

Choi et al. (1999);

⁽ⁿ⁾

Pandey (1986);

^(o)

Sanner et al. (1999);

^(p)

Georgy et al. (2014);

^(q)

Pandey et al. (2005);

^(r)

Pigulski et al. (2001);

^(s)

Tetzlaff et al. (2010)⁵;

^(t)

Currie et al. (2010);

^(u)

Yadav et al. (2008);

^(v)

Wolff et al. (2011).

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