20136+3640 SEI 1023 (HD 228403)

20^h 13^m 34.39^s +36° 40' 29.3" P.A. 344.00 sep 28.6 mag 9.18,10.53 Sp A7III

Coord 2000	20136+3640	Discov num	SEI1023	Comp		Coord arcsec 2000	20 13 34.39 +36 40 29.3
Date first	1896	Date last	2015	Obs	17
Pa first	341	Pa last	343.5	P.A. Now (θ)	343.5°
Sep first	24.9	Sep last	28.581	Sep. Now (ρ)	28.581"
Mag pri	9.18	Mag sec	10.53	delta mag (ΔM)	1.35	Spectral class	A7III (white)
Pri motion ra	-006	Sec motion ra	+002
Pri motion dec	-033	Sec motion dec	-003
Notes

rPM=0.926

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228403		Constellation	Cygnus		SAO	69641		Tycho2	2683-03267-1
Gaia DR2	2060500668969983104		HD	228403

WDS 20136+3640 SEI 1023 (HD 228403) : 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
20136+3640	SEI1023		2004	11	343	28.6	9.18	10.53	A7III	D	201334.39+364029.3
20136+3640	SEI1023		2010	13	344	28.5	9.18	10.53	A7III		201334.39+364029.3
20136+3640	SEI1023		2015	14	344	28.6	9.18	10.53	A7III		201334.39+364029.3

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WDS 20136+3640 SEI 1023 (HD 228403) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20136+3640 SEI 1023 (HD 228403) : MEASURES

No records found.

WDS 20136+3640 (HD 228403) : VIRTUAL EYEPIECE

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WDS 20136+3640 (HD 228403) : ALADIN DSS IMAGE @ 20^h 13^m 34.39^s +36° 40' 29.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20136+3640 SEI 1023 (HD 228403) : 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		20136+3640	SEI1023		344	28.6
Show		20135+3634	SEI1020	AB	276	13.9	7
Show		20135+3634	SEI1022	AC	217	21.9	7
Show		20133+3634	SEI1016		343	12.2	8
Show		20129+3642	SEI1011		257	6.9	8
Show		20128+3638	SEI1010		205	31.4	9
Show		20140+3633	SEI1028		177	13.3	10
Show		20127+3642	SEI1007		238	22.8	11
Show		20144+3638	SEI1037		101	32.1	11
Show		20127+3645	SEI1006	AB	306	17.1	12
Show		20127+3645	SLE 964	AC	332	11.5	12
Show		20126+3639	SLE 962		21	8.5	12
Show		20145+3640	BLL 48	AB	117	113.6	12
Show		20145+3640	RJJ 1	Aa,Ab	132	0.0	12
Show		20140+3630	SEI1030		163	15.7	13
Show		20130+3629	ES 2188		74	1.7	13
Show		20136+3631	SEI1024		99	17.4	13
Show		20145+3648	ENG 72	BD	120	217.5	14
Show		20145+3648	ENG 72	AB	155	215.3	14
Show		20145+3648	ENG 72	AC	22	212.3	14
Show		20145+3648	BUP 207	AE	325	35.2	14
Show		20145+3648	SMR 39	AF	33	32.7	14
Show		20145+3648	FYM 105	AH	133	10.0	14
Show		20144+3630	SEI1036		230	26.2	15
Show		20146+3635	SEI1041		23	21.6	15
Show		20143+3657	A 1420		70	0.6	19
Show		20120+3640	SEI 989		153	29.4	19
Show		20151+3637	SLE 975		152	9.0	19
Show		20119+3642	TDT2077		49	0.8	20
Show		20145+3621	TDT2114		66	0.6	22
Show		20115+3639	SEI 974	AB	7	18.1	25
Show		20115+3639	TOB 175	AC	95	53.3	25
Show		20115+3639	TOB 175	AD	123	36.6	25
Show		20141+3617	SEI1031		61	18.6	25
Show		20122+3621	SEI 996	AB		29.5	26
Show		20122+3621	STJ 71	AC	105	1.1	26
Show		20150+3659	SLE 974		330	12.5	26
Show		20126+3618	SEI1004	AB	108	25.8	26
Show		20126+3618	TOB 178	AC	288	27.8	26
Show		20117+3654	SLE 957		335	6.7	27
Show		20141+3706	A 1419		35	0.4	27
Show		20115+3630	SEI 971	AB	14	14.1	28
Show		20115+3630	SLE 954	AC	294	24.1	28
Show		20115+3630	SLE 954	AD	357	22.3	28
Show		20132+3611	NSN 731		324	25.3	30
Show		20138+3710	TOB 181		16	15.0	30
Show		20126+3614	SEI1003		282	23.4	30
Show		20160+3648	SLE 979		34	11.1	30
Show		20140+3710	SEI1029		232	7.2	30
Show		20116+3621	SEI 976		3	8.2	31
Show		20110+3642	SEI 962		289	23.3	31

WDS 20136+3640 : COMPONENTS

	A
B	pa=346.6° sep=28.17"

20136+3640 A

Componente originario normalizzato	AB	Name	HD 228403	Coord arcsec 2000	201334.39+364029.3	Mag	9.18
Spectral class	A7III (white)	PmRA	-6.00	PmDE	-33.0	SAO	69641
Tycho2	2683-03267-1	HD	228403	DM	BD+36 3941

Tycho2

Tycho2	2683-03267-1	Pflag		RAmdeg	303.39327949	DEmdeg	36.67481283
PmRA	-3.6	PmDE	-32.5	E RAmdeg	11	E DEmdeg	11
E pmRA	0.9	E pmDE	0.9	EpRAm	1989.59	EpDEm	1989.68
Num	12	Q RAmdeg	1.0	Q DEmdeg	0.8	Q pmRA	1.1
Q pmDE	0.9	BTmag	9.533	E BTmag	0.021	VTmag	9.177
E VTmag	0.018	Prox	279	TYC	T	HIP
CCDM		RAdeg	303.39328944	DEdeg	36.67488861	EpRA 1990	1.59
EpDE 1990	1.68	E RAdeg	11.4	E DEdeg	10.7	Posflg
Corr	0.1

SAO

SAO	69641	DelFlag		RA1950		PmRA1950	0.0001
DE1950		PmDE1950	-0.038	Vmag	8.9	SpType	A0
Double code		Source	5	CatNum	1964	DM	BD+36 3941
DMcomp		BDsup		HD	228403	M HD	0
GC		RA1950rad	5.28705068	DE1950rad	0.63744615	PmRA2000	0.0004
PmDE2000	-0.04

20136+3640 B

Componente originario normalizzato	AB		Coord arcsec 2000	201333.85+364056.7		Mag	10.53		PmRA	2.00
PmDE	-3.0		Tycho2	2683-03023-1		Calc delta mag	1.35		Calc coord	yes

Tycho2

Tycho2	2683-03023-1	Pflag		RAmdeg	303.39045499	DEmdeg	36.68230492
PmRA	2.9	PmDE	-0.3	E RAmdeg	25	E DEmdeg	25
E pmRA	1.2	E pmDE	1.2	EpRAm	1983.34	EpDEm	1983.55
Num	9	Q RAmdeg	1.2	Q DEmdeg	1.4	Q pmRA	1.2
Q pmDE	1.4	BTmag	10.752	E BTmag	0.047	VTmag	10.531
E VTmag	0.053	Prox	279	TYC	T	HIP
CCDM		RAdeg	303.39045806	DEdeg	36.68230111	EpRA 1990	1.61
EpDE 1990	1.68	E RAdeg	32.4	E DEdeg	30.9	Posflg
Corr	0.1