20327+4114 CAN 78 AB

20^h 32^m 40.96^s +41° 14' 29.2" P.A. 270.00 sep 1.1 mag 2.70,6.90 Sp B3-4Ia+

Coord 2000	20327+4114	Discov num	CAN 78	Comp	AB	Coord arcsec 2000	20 32 40.96 +41 14 29.2
Date first	2005	Date last	2008	Obs	2
Pa first	270	Pa last	270.4	P.A. Now (θ)	270.4°
Sep first	1.1	Sep last	1.06	Sep. Now (ρ)	1.06"
Mag pri	2.70	Mag sec	6.90	delta mag (ΔM)	4.2	Spectral class	B3-4Ia+ (blue-white)
Pri motion ra	+003	Sec motion ra
Pri motion dec	-003	Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

20327+4114 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 32 41 +41 14 29	CAN 5 Aa,Ab	2006	2	284	0.1	11.20	13.50	2.30
Show			20 32 41 +41 14 29	CAN 78 AB	2008	2	270	1.1	2.70	6.90	4.20		<===

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

WDS 20327+4114 CAN 78 AB : NOTES

discov_num	notes	refcode
CAN 5	Primary is [MT91] 304 = VI Cyg 12, an early B-type hypergiant in the
	Cygnus OB2 Association. Ambiguity in the position of the secondary
	along one FGS coordinate leads to two possible position angles for the
	measure.	CaN2014

REFERENCES

refcode	metd	author	reference
CaN2014	Hf j	Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood,	2014AJ....147...40C
CaN2014		K., Herrero, A., Jao, W.-J., Mason, B.D., Massey, P., Moffat, A.F., & Walborn, N.
CaN2014		AJ 147, 40, 2014

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20327+4114	CAN 78	AB	2008	2	270	1.1	2.70	6.90	B3-4Ia+	NV K	203240.96+411429.2

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WDS 20327+4114 CAN 78 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20327+4114 CAN 78 AB : MEASURES

No records found.

WDS 20327+4114 : VIRTUAL EYEPIECE

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WDS 20327+4114 : ALADIN DSS IMAGE @ 20^h 32^m 40.96^s +41° 14' 29.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20327+4114 CAN 78 AB : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20327+4114	CAN 5	Aa,Ab	284	0.1
Show		20327+4114	CAN 78	AB	270	1.1
Show		20328+4115	CNT 8		355	4.8	2
Show		20325+4114	CAN 11	Aa,Ab	283	0.8	2
Show		20325+4114	MZA 40	AB	277	2.2	2
Show		20325+4114	CAN 11	AC	176	1.3	2
Show		20325+4114	CAN 11	AD	104	3.7	2
Show		20325+4114	CAN 11	AE	195	5.3	2
Show		20325+4114	CAN 11	AF	179	5.9	2
Show		20324+4118	HER 3	AB	55	0.9	6
Show		20324+4118	MZA 25	AC	324	20.5	6
Show		20324+4118	MZA 25	AD	226	5.5	6
Show		20324+4118	CIA 33	Aa,Ab	107	0.0	6
Show		20324+4118	CIA 33	Aa,Ac	275	0.0	6
Show		20330+4118	CAN 44	AB	158	2.9	6
Show		20330+4118	CAN 44	AC	191	5.2	6
Show		20330+4118	CAN 44	AD	229	6.5	6
Show		20330+4118	CAN 44	AE	71	6.7	6
Show		20330+4118	CAN 44	AF	27	9.1	6
Show		20330+4118	CAN 44	AG	44	10.1	6
Show		20330+4118	CAN 44	AH	254	11.5	6
Show		20330+4118	CAN 44	AI	120	12.9	6
Show		20330+4118	CAN 44	AJ	205	14.8	6
Show		20331+4113	WSI 66	AB	146	1.5	6
Show		20331+4113	MZA 26	AC	152	20.4	6
Show		20331+4113	MZA 26	Ba,Bb	182	0.2	6
Show		20331+4113	CAN 46	AJ	113	5.2	6
Show		20331+4113	CAN 46	AK	148	6.3	6
Show		20331+4113	CAN 46	AL	76	7.6	6
Show		20331+4113	CAN 46	AM	9	9.3	6
Show		20331+4113	CAN 46	AN	202	9.4	6
Show		20331+4113	CAN 46	AO	345	9.9	6
Show		20331+4113	CAN 46	AP	158	10.8	6
Show		20331+4113	CAN 46	AQ	312	13.1	6
Show		20331+4113	CAN 46	AR	13	13.2	6
Show		20331+4113	MZA 26	EF	190	1.8	6
Show		20331+4113	MZA 26	CE	218	2.8	6
Show		20331+4113	MZA 26	CG	32	3.9	6
Show		20331+4113	MZA 26	CI	59	10.5	6
Show		20331+4113	MZA 26	CD	31	11.2	6
Show		20331+4113	MZA 26	CH	102	7.9	6
Show		20331+4113	CAN 46	CJ	344	16.7	6
Show		20331+4113	CAN 46	CK	335	14.1	6
Show		20331+4113	CAN 46	CN	305	16.0	6
Show		20331+4113	CAN 46	CP	327	9.7	6
Show		20331+4113	CAN 46	CS	205	2.6	6
Show		20331+4113	CAN 46	CT	308	3.7	6
Show		20331+4113	CAN 46	CU	292	4.1	6
Show		20331+4113	CAN 46	CV	14	4.4	6
Show		20331+4113	CAN 46	CW	207	4.5	6
Show		20331+4113	CAN 46	CX	79	5.4	6

WDS 20327+4114 : COMPONENTS

	A	Ab
Ab	pa=287.7° sep=0.05"
B	pa=270.5° sep=0.80"	pa=269.4° sep=0.75"

20327+4114 A

Coord arcsec 2000	203240.96+411429.2		Mag	2.7		Spectral class	B3 (blue-white)		PmRA	3.00
PmDE	-3.0

20327+4114 Ab

Coord arcsec 2000	203240.96+411429.2		Mag	13.5		Spectral class	4Ia		Calc delta mag	2.3
Calc coord	yes

20327+4114 B

Coord arcsec 2000	203240.89+411429.2		Mag	6.9		Spectral class	4Ia		Calc delta mag	4.3
Calc coord	yes