20422+3726 SEI 1223

20^h 42^m 10.54^s +37° 25' 31.4" P.A. 142.00 sep 10.3 mag 10.80,11.80

Coord 2000	20422+3726	Discov num	SEI1223	Comp		Coord arcsec 2000	20 42 10.54 +37 25 31.4
Date first	1896	Date last	2015	Obs	11
Pa first	144	Pa last	142.1	P.A. Now (θ)	142.1°
Sep first	10.0	Sep last	10.321	Sep. Now (ρ)	10.321"
Mag pri	10.80	Mag sec	11.80	delta mag (ΔM)	1	Spectral class
Pri motion ra	+001	Sec motion ra	+002
Pri motion dec	+000	Sec motion dec	+001
Notes

rPM=0.632

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2063230344011465728

WDS 20422+3726 SEI 1223 : 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
20422+3726	SEI1223		2000	4	142	10.3	10.80	11.80		D	204210.54+372531.4
20422+3726	SEI1223		2002	5	142	10.3	10.80	11.80		D	204210.54+372531.4
20422+3726	SEI1223		2010	6	142	9.7	10.80	11.80			204210.54+372531.4
20422+3726	SEI1223		2015	7	142	10.3	10.80	11.80			204210.54+372531.4

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

WDS 20422+3726 SEI 1223 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20422+3726 SEI 1223 : MEASURES

No records found.

WDS 20422+3726 : VIRTUAL EYEPIECE

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

WDS 20422+3726 : ALADIN DSS IMAGE @ 20^h 42^m 10.54^s +37° 25' 31.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20422+3726 SEI 1223 : 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		20422+3726	SEI1223		142	10.3
Show		20419+3711	SEI1220		161	13.0	15
Show		20437+3727	COU2291		228	1.0	18
Show		20432+3749	ES 2122	AB	71	5.4	25
Show		20432+3749	FYM 323	AC	142	20.4	25
Show		20419+3752	TDT2478		339	1.9	27
Show		20410+3658	TDT2469		353	2.9	32
Show		20447+3714	SEI1233		73	5.3	34
Show		20447+3739	SEI1232		240	28.9	34
Show		20396+3710	ES 2194		289	7.2	35
Show		20399+3703	ES 248	AB	3	4.3	36
Show		20399+3703	ES 248	AC	66	10.6	36
Show		20391+3717	SEI1207		121	27.0	38
Show		20412+3801	ES 2512		327	6.9	39
Show		20404+3758	SEI1212	AB	195	18.9	39
Show		20404+3758	FYM 327	AC	30	14.0	39
Show		20408+3802	ALI 672		167	12.4	41
Show		20397+3658	A 1432		117	0.4	42
Show		20431+3645	SEI1227		168	15.0	43
Show		20414+3644	SEI1215		135	28.8	43
Show		20455+3706	FIO 1		319	4.9	44
Show		20458+3715	TDT2522		89	0.5	45
Show		20390+3702	COU2219		43	0.9	45
Show		20416+3637	SEI1218		226	12.8	49
Show		20450+3651	ES 2513		275	6.4	49
Show		20391+3759	SEI1208		11	7.5	50
Show		20423+3637	SEI1224		161	25.2	50
Show		20382+3742	SEI1201		350	22.8	50
Show		20397+3644	SEI1209		15	21.4	51
Show		20458+3658	CRB 6		154	10.9	51
Show		20379+3725	SEI1196		336	17.7	51
Show		20415+3635	SEI1216		117	11.8	52
Show		20380+3741	TOB 193	AB	231	28.1	53
Show		20380+3741	TOB 193	AC	267	31.4	53
Show		20454+3651	SEI1238		123	8.1	53
Show		20415+3818	TDT2473		169	0.6	53
Show		20390+3804	SEI1204		291	7.8	54
Show		20464+3747	SEI1244		149	22.5	55
Show		20468+3730	ALI 674		328	13.0	57
Show		20374+3721	TOB 192		106	32.0	57
Show		20461+3653	ES 2514		100	2.9	57
Show		20457+3647	AG 265		207	6.8	58
Show		20472+3730	J 1210		247	3.9	61
Show		20400+3821	KPP 5		337	3.1	61
Show		20463+3646	COU2220	Aa,Ab	299	0.7	63
Show		20463+3646	ES 2515	AB	175	6.8	63
Show		20420+3827	AG 263		70	1.6	63
Show		20417+3622	SEI1217		245	15.1	64
Show		20384+3811	TDT2444	Aa,Ab	319	1.0	64
Show		20380+3806	SEI1197		173	14.3	65
Show		20468+3648	STJ 73		231	0.9	67

WDS 20422+3726 : COMPONENTS

	A
B	pa=148.3° sep=9.57"

20422+3726 A

Componente originario normalizzato	AB		Coord arcsec 2000	204210.54+372531.4		Mag	10.8		PmRA	1.00
PmDE	0.0

20422+3726 B

Componente originario normalizzato	AB		Coord arcsec 2000	204210.96+372523.3		Mag	11.8		PmRA	2.00
PmDE	1.0		Calc delta mag	1		Calc coord	yes