20166+3651 SEI 1059 (HD 228691)

20^h 16^m 33.81^s +36° 51' 21.9" P.A. 320.00 sep 13.0 mag 9.42,11.80 Sp K0

Coord 2000	20166+3651	Discov num	SEI1059	Comp		Coord arcsec 2000	20 16 33.81 +36 51 21.9
Date first	1896	Date last	2015	Obs	12
Pa first	321	Pa last	319.8	P.A. Now (θ)	319.8°
Sep first	12.9	Sep last	12.962	Sep. Now (ρ)	12.962"
Mag pri	9.42	Mag sec	11.80	delta mag (ΔM)	2.38	Spectral class	K0 (yellow-orange)
Pri motion ra	+002	Sec motion ra	+001
Pri motion dec	+005	Sec motion dec	+007
Notes

rPM=0.316

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228691		Constellation	Cygnus		SAO	69731		Tycho2	2684-01741-1
Gaia DR2	2060608489825628800		HD	228691

WDS 20166+3651 SEI 1059 (HD 228691) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20166+3651	SEI1059		1998	4	320	13.3	9.59	10.90	K0	D	201633.80+365121.8
20166+3651	SEI1059		2011	5	320	13.0	9.59	10.90	K0	D	201633.80+365121.8
20166+3651	SEI1059		2015	7	320	13.0	9.42	11.80	K0		201633.81+365121.9

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WDS 20166+3651 SEI 1059 (HD 228691) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20166+3651 SEI 1059 (HD 228691) : MEASURES

No records found.

WDS 20166+3651 (HD 228691) : VIRTUAL EYEPIECE

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WDS 20166+3651 (HD 228691) : ALADIN DSS IMAGE @ 20^h 16^m 33.81^s +36° 51' 21.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20166+3651 SEI 1059 (HD 228691) : 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		20166+3651	SEI1059		320	13.0
Show		20160+3648	SLE 979		34	11.1	9
Show		20165+3703	ARY 24		307	96.3	13
Show		20176+3643	SLE 988		115	10.8	16
Show		20178+3645	SEI1067		58	16.6	17
Show		20168+3633	KRV 10		359	2.5	19
Show		20150+3659	SLE 974		330	12.5	20
Show		20167+3629	COU2417		351	0.8	23
Show		20151+3637	SLE 975		152	9.0	24
Show		20145+3648	ENG 72	BD	120	217.5	24
Show		20184+3658	MLB 417		75	4.0	25
Show		20145+3648	ENG 72	AB	155	215.3	25
Show		20145+3648	ENG 72	AC	22	212.3	25
Show		20145+3648	BUP 207	AE	325	35.2	25
Show		20145+3648	SMR 39	AF	33	32.7	25
Show		20145+3648	FYM 105	AH	133	10.0	25
Show		20155+3713	ES 2189		136	3.3	25
Show		20170+3627	SEI1063		258	16.3	26
Show		20179+3712	SEI1071		11	27.5	26
Show		20145+3640	BLL 48	AB	117	113.6	28
Show		20145+3640	RJJ 1	Aa,Ab	132	0.0	28
Show		20143+3657	A 1420		70	0.6	28
Show		20167+3625	SLE 983		276	11.9	28
Show		20146+3635	SEI1041		23	21.6	29
Show		20144+3638	SEI1037		101	32.1	29
Show		20191+3645	BU 1206	AB	355	2.2	32
Show		20192+3647	TOB 184	BC	170	23.9	32
Show		20192+3647	SEI1081	AB	231	18.0	32
Show		20191+3644	SLE 997		339	10.0	32
Show		20189+3635	BKO 562		241	6.6	33
Show		20141+3706	A 1419		35	0.4	34
Show		20144+3630	SEI1036		230	26.2	34
Show		20193+3641	BKO 564		137	11.3	34
Show		20170+3725	HDS2891	Aa,Ab	55	0.9	35
Show		20170+3725	A 1423	AB	128	4.4	35
Show		20170+3725	CIA 9	Aa1,2	305	0.0	35
Show		20187+3715	SLE 994		353	14.5	35
Show		20194+3646	SLE1002		239	7.9	35
Show		20194+3644	BKO 565		13	11.3	35
Show		20191+3635	SEI1080		72	22.6	36
Show		20140+3710	SEI1029		232	7.2	37
Show		20140+3633	SEI1028		177	13.3	37
Show		20140+3630	SEI1030		163	15.7	37
Show		20193+3635	AG 253	AB	118	9.8	37
Show		20193+3635	AG 253	AC	268	171.9	37
Show		20136+3640	SEI1023		344	28.6	38
Show		20138+3710	TOB 181		16	15.0	39
Show		20187+3720	SLE 995		143	8.8	39
Show		20145+3621	TDT2114		66	0.6	40
Show		20191+3628	SLE 998		183	7.5	40
Show		20168+3731	ARY 25		293	147.1	40

WDS 20166+3651 : COMPONENTS

	A
B	pa=325.9° sep=11.95"

20166+3651 A

Componente originario normalizzato	AB	Name	HD 228691	Coord arcsec 2000	201633.81+365121.9	Mag	9.42
Spectral class	K0 (yellow-orange)	PmRA	2.00	PmDE	5.0	SAO	69731
Tycho2	2684-01741-1	HD	228691	DM	BD+36 3979

Tycho2

Tycho2	2684-01741-1	Pflag		RAmdeg	304.14087789	DEmdeg	36.85608390
PmRA	3.6	PmDE	6.5	E RAmdeg	19	E DEmdeg	18
E pmRA	1.3	E pmDE	1.3	EpRAm	1987.69	EpDEm	1987.91
Num	9	Q RAmdeg	1.2	Q DEmdeg	1.0	Q pmRA	1.2
Q pmDE	1.1	BTmag	10.790	E BTmag	0.047	VTmag	9.589
E VTmag	0.025	Prox	999	TYC	T	HIP
CCDM		RAdeg	304.14087306	DEdeg	36.85606472	EpRA 1990	1.54
EpDE 1990	1.62	E RAdeg	20.8	E DEdeg	20.3	Posflg
Corr	0.1

SAO

SAO	69731	DelFlag		RA1950		PmRA1950	-0.0011
DE1950		PmDE1950	0.016	Vmag	9.1	SpType	A
Double code		Source	5	CatNum	1984	DM	BD+36 3979
DMcomp		BDsup		HD	228691	M HD	0
GC		RA1950rad	5.30008875	DE1950rad	0.6405499	PmRA2000	-0.0008
PmDE2000	0.014

CCDM

Ccdm	20166+3651	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.21	DDEs	21.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	K0	PmNote	*
PmRA	5	PmDE	0	Dm number	+36 3979	Cat1	BD
Name2	+36 1984	Cat2	AGK2/3	HD	228691	M HD
ADS BDS		M ADS BDS		N IDS		IDS	20128N3633A
HIC

20166+3651 B

Componente originario normalizzato	AB		Coord arcsec 2000	201633.25+365131.8		Mag	11.8		PmRA	1.00
PmDE	7.0		Calc delta mag	2.38		Calc coord	yes

CCDM

Ccdm	20166+3651	RComp		Comp	B	Note1
Note2		Discov num	SEI1059	DRAs		DDEs
R dRAs		Year	1896	Theta	322	Rho	12.6
Obs	2	Vmag	10.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20128N3633B
HIC