Coord 2000	20331+4113	Discov num	WSI 66	Comp	AB	Coord arcsec 2000	20 33 08.79 +41 13 18.2
Date first	2005	Date last	2018	Obs	14
Pa first	146	Pa last	146	P.A. Now (θ)	146°
Sep first	1.5	Sep last	1.5	Sep. Now (ρ)	1.5"
Mag pri	12.30	Mag sec	12.70	delta mag (ΔM)	0.4	Spectral class	O3I+O6V (blue/blue)
Pri motion ra	-004	Sec motion ra
Pri motion dec	+004	Sec motion dec
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star This double is physical.

20331+4113 SYSTEM COMPONENTS

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20331+4113	WSI 66	AB	2005	2018	14	146	1.5	12.30	12.70	0.40		<===
Show			20331+4113	MZA 26	AC	1998	2015	5	152	20.4	12.30	12.90	0.60
Show			20331+4113	CAN 46	AJ	2005	2005	2	113	5.2	6.20	12.40	6.20
Show			20331+4113	CAN 46	AK	2005	2005	2	148	6.3	6.20	13.70	7.50
Show			20331+4113	CAN 46	AL	2005	2005	2	76	7.6	6.20	13.90	7.70
Show			20331+4113	CAN 46	AM	2005	2005	2	9	9.3	6.20	13.70	7.50
Show			20331+4113	CAN 46	AN	2005	2005	2	202	9.4	6.20	12.70	6.50
Show			20331+4113	CAN 46	AO	2005	2005	2	345	9.9	6.20	13.20	7.00
Show			20331+4113	CAN 46	AP	2005	2005	2	158	10.8	6.20	12.80	6.60
Show			20331+4113	CAN 46	AQ	2005	2015	6	312	13.1	6.60	10.70	4.10
Show			20331+4113	CAN 46	AR	2005	2005	1	13	13.2	6.60	14.00	7.40
Show			20331+4113	MZA 26	Ba,Bb	2005	2018	7	182	0.2	12.70	15.50	2.80
Show			20331+4113	MZA 26	CD	1998	2015	8	31	11.2	12.86	13.40	0.54
Show			20331+4113	MZA 26	CE	2005	2015	6	218	2.8	12.86	13.60	0.74
Show			20331+4113	MZA 26	CG	2005	2015	6	32	3.9	12.86	16.80	3.94
Show			20331+4113	MZA 26	CH	1998	2015	7	102	7.9	12.86	17.10	4.24
Show			20331+4113	MZA 26	CI	2002	2015	7	59	10.5	12.86	17.40	4.54
Show			20331+4113	CAN 46	CJ	2005	2005	1	344	16.7	7.80	15.20	7.40
Show			20331+4113	CAN 46	CK	2005	2005	2	335	14.1	7.80	13.70	5.90
Show			20331+4113	CAN 46	CN	2005	2005	3	305	16.0	7.80	12.60	4.80
Show			20331+4113	CAN 46	CP	2005	2005	3	327	9.7	7.80	12.80	5.00
Show			20331+4113	CAN 46	CS	2009	2009	1	205	2.6	7.80	14.80	7.00
Show			20331+4113	CAN 46	CT	2009	2009	1	308	3.7	7.80	17.10	9.30
Show			20331+4113	CAN 46	CU	2009	2009	3	292	4.1	7.80	13.00	5.20
Show			20331+4113	CAN 46	CV	2009	2009	2	14	4.4	7.80	14.20	6.40
Show			20331+4113	CAN 46	CW	2009	2009	3	207	4.5	7.80	11.00	3.20
Show			20331+4113	CAN 46	CX	2009	2009	3	79	5.4	7.80	14.10	6.30
Show			20331+4113	CAN 46	C,Ya	2009	2009	1	147	5.8	7.80	16.30	8.50
Show			20331+4113	CAN 46	C,Yb	2009	2009	2	266	13.2	7.80	15.80	8.00
Show			20331+4113	CAN 46	C,Yc	2009	2009	2	278	13.4	7.80	16.10	8.30
Show			20331+4113	CAN 46	C,Yd	2009	2014	6	240	13.5	7.80	12.90	5.10
Show			20331+4113	CAN 46	C,Ye	2009	2009	3	32	16.0	7.80	14.10	6.30
Show			20331+4113	CAN 46	C,Za	2009	2009	3	313	6.6	7.80	13.90	6.10
Show			20331+4113	CAN 46	C,Zb	2009	2009	2	220	6.7	7.80	14.70	6.90
Show			20331+4113	CAN 46	C,Zc	2009	2009	2	60	7.5	7.80	16.20	8.40
Show			20331+4113	CAN 46	C,Zd	2009	2009	3	0	7.7	7.80	13.60	5.80
Show			20331+4113	CAN 46	C,Ze	2009	2009	2	273	8.2	7.80	14.30	6.50
Show			20331+4113	CAN 46	C,Zf	2009	2015	7	213	8.2	7.80	10.30	2.50
Show			20331+4113	CAN 46	C,Zg	1998	2009	4	197	8.5	7.80	14.50	6.70
Show			20331+4113	CAN 46	C,Zh	2009	2009	1	23	9.4	7.80	14.80	7.00
Show			20331+4113	CAN 46	C,Zi	2009	2014	6	252	9.6	7.80	12.20	4.40
Show			20331+4113	CAN 46	C,Zj	2009	2014	5	252	9.6	7.80	13.90	6.10
Show			20331+4113	CAN 46	C,Zk	2009	2009	2	134	9.8	7.80	15.90	8.10
Show			20331+4113	CAN 46	C,Zl	2009	2009	3	24	9.8	7.80	13.30	5.50
Show			20331+4113	CAN 46	C,Zm	2009	2009	1	256	9.8	7.80	14.10	6.30
Show			20331+4113	CAN 46	C,Zn	1998	2009	4	172	9.8	7.80	13.50	5.70
Show			20331+4113	CAN 46	C,Zo	2009	2009	3	333	10.0	7.80	13.90	6.10
Show			20331+4113	CAN 46	C,Zp	1998	2009	4	198	10.1	7.80	12.80	5.00
Show			20331+4113	CAN 46	C,Zq	2009	2009	2	141	10.1	7.80	14.10	6.30
Show			20331+4113	CAN 46	C,Zr	2009	2009	3	275	10.1	7.80	13.60	5.80
Show			20331+4113	CAN 46	C,Zs	1998	2009	2	199	10.2	7.80	14.10	6.30
Show			20331+4113	CAN 46	C,Zt	2009	2009	2	11	11.0	7.80	16.80	9.00
Show			20331+4113	CAN 46	C,Zu	2009	2009	2	185	11.2	7.80	15.60	7.80
Show			20331+4113	CAN 46	C,Zv	2009	2009	2	0	11.7	7.80	16.80	9.00
Show			20331+4113	CAN 46	C,Zw	2009	2009	2	291	12.0	7.80	14.40	6.60
Show			20331+4113	CAN 46	C,Zx	2009	2009	1	167	12.8	7.80	13.90	6.10
Show			20331+4113	CAN 46	C,Zy	2009	2009	2	338	12.9	7.80	15.90	8.10
Show			20331+4113	CAN 46	C,Zz	2009	2009	2	300	13.1	7.80	15.50	7.70
Show			20331+4113	MZA 26	EF	2005	2015	3	190	1.8	13.60	15.50	1.90

56-fold system
24 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa

145.9

Precise sep

1.524

Constellation

Cygnus

Gaia DR2

05528395264

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20331+4113	WSI 66	AB	2008	5	146	1.5	12.30	12.70	O3I+O6V		203308.79+411318.2
20331+4113	WSI 66	AB	2015	8	146	1.5	12.30	12.70	O3I+O6V		203308.79+411318.2
20331+4113	WSI 66	AB	2018	14	146	1.5	12.30	12.70	O3I+O6V	V	203308.79+411318.2

If you need more information about this double, apply for a data request form to the WDS.