20401+3551 SEI 1211

20^h 40^m 01.96^s +35° 51' 07.2" P.A. 149.00 sep 20.4 mag 10.36,12.40

Coord 2000	20401+3551	Discov num	SEI1211	Comp		Coord arcsec 2000	20 40 01.96 +35 51 07.2
Date first	1896	Date last	2015	Obs	10
Pa first	141	Pa last	148.7	P.A. Now (θ)	148.7°
Sep first	20.2	Sep last	20.364	Sep. Now (ρ)	20.364"
Mag pri	10.36	Mag sec	12.40	delta mag (ΔM)	2.04	Spectral class
Pri motion ra	+002	Sec motion ra	-018
Pri motion dec	-003	Sec motion dec	-021
Notes

rPM=0.973

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2698-00263-1

Gaia DR2

1870511996041939584

WDS 20401+3551 SEI 1211 : 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
20401+3551	SEI1211		1998	3	148	20.2	10.36	12.40		D	204001.96+355107.2
20401+3551	SEI1211		2002	4	148	20.3	10.36	12.40		D	204001.96+355107.2
20401+3551	SEI1211		2010	5	148	20.4	10.36	12.40			204001.96+355107.2
20401+3551	SEI1211		2015	6	149	20.4	10.36	12.40			204001.96+355107.2

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WDS 20401+3551 SEI 1211 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20401+3551 SEI 1211 : MEASURES

No records found.

WDS 20401+3551 : VIRTUAL EYEPIECE

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WDS 20401+3551 : ALADIN DSS IMAGE @ 20^h 40^m 01.96^s +35° 51' 07.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20401+3551 SEI 1211 : 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		20401+3551	SEI1211		149	20.4
Show		20394+3541	TOB 194		306	18.8	13
Show		20406+3603	SEI1213		243	29.3	14
Show		20391+3543	SEI1205		74	20.4	15
Show		20389+3546	TDT2450		250	1.9	15
Show		20418+3553	HJ 1560	AB	248	12.8	22
Show		20418+3553	HJ 1560	AC	74	24.3	22
Show		20381+3601	HJ 1553		192	11.5	27
Show		20423+3601	TDT2481		43	0.7	29
Show		20376+3559	LSC 92		105	0.1	31
Show		20391+3619	SEI1206		149	26.6	31
Show		20373+3541	ES 2251		196	3.6	36
Show		20430+3555	HJ 1568		44	11.2	36
Show		20417+3622	SEI1217		245	15.1	37
Show		20411+3516	COU1963	AB		0.2	37
Show		20411+3516	COU1963	AB,C	41	1.8	37
Show		20380+3523	TDT2437		73	0.4	38
Show		20414+3515	COU1964		130	1.0	40
Show		20403+3508	TDT2460		121	2.1	44
Show		20434+3535	ISM 5	AB	145	0.0	45
Show		20434+3535	EVS 44	AC	96	12.9	45
Show		20434+3535	EVS 44	AD	298	14.8	45
Show		20364+3555	TDT2414		222	0.9	45
Show		20386+3509	POP 8		195	3.7	46
Show		20435+3609	ES 2195	AB	4	20.7	46
Show		20435+3609	ES 2195	BC	91	1.8	46
Show		20415+3635	SEI1216		117	11.8	48
Show		20365+3616	SEI1190		153	2.4	50
Show		20416+3637	SEI1218		226	12.8	51
Show		20422+3510	POP 9		342	4.5	52
Show		20423+3637	SEI1224		161	25.2	53
Show		20397+3644	SEI1209		15	21.4	53
Show		20356+3559	TDT2401		358	0.4	55
Show		20414+3644	SEI1215		135	28.8	56
Show		20359+3615	GII 52	Aa,Ab	217	0.4	56
Show		20359+3615	GII 52	AB	344	3.9	56
Show		20359+3617	TDT2405		355	1.1	57
Show		20444+3617	GII 53		358	0.3	59
Show		20448+3542	SEI1234		127	19.1	60
Show		20450+3600	ALI 204		307	11.5	61
Show		20424+3455	COU1965		278	0.4	63
Show		20353+3525	ES 2250		121	5.5	64
Show		20368+3642	TDT2420		356	0.5	64
Show		20431+3645	SEI1227		168	15.0	65
Show		20449+3524	SEI1235		77	9.4	66
Show		20451+3529	COU1809		101	0.7	66
Show		20397+3658	A 1432		117	0.4	67
Show		20452+3531	SEI1237		272	26.1	67
Show		20346+3541	TDT2386		203	0.5	68
Show		20358+3635	ES 2510		317	6.8	68
Show		20410+3658	TDT2469		353	2.9	68

WDS 20401+3551 : COMPONENTS

	A
B	pa=153.8° sep=19.40"

20401+3551 A

Componente originario normalizzato	AB		Coord arcsec 2000	204001.96+355107.2		Mag	10.36		PmRA	2.00
PmDE	-3.0		Tycho2	2698-00263-1

Tycho2

Tycho2	2698-00263-1	Pflag		RAmdeg	310.00821464	DEmdeg	35.85201951
PmRA	-1.0	PmDE	-0.2	E RAmdeg	19	E DEmdeg	18
E pmRA	1.4	E pmDE	1.5	EpRAm	1988.92	EpDEm	1989.58
Num	6	Q RAmdeg	0.8	Q DEmdeg	1.4	Q pmRA	0.9
Q pmDE	1.4	BTmag	10.687	E BTmag	0.032	VTmag	10.363
E VTmag	0.032	Prox	999	TYC	T	HIP
CCDM		RAdeg	310.00821944	DEdeg	35.85201833	EpRA 1990	1.66
EpDE 1990	1.73	E RAdeg	19.6	E DEdeg	19.4	Posflg
Corr	0.1

20401+3551 B

Componente originario normalizzato	AB		Coord arcsec 2000	204002.67+355049.8		Mag	12.4		PmRA	-18.00
PmDE	-21.0		Calc delta mag	2.04		Calc coord	yes