20512+3650 SEI 1280

20^h 51^m 13.03^s +36° 50' 55.3" P.A. 5.00 sep 3.8 mag 10.50,11.00

Coord 2000	20512+3650	Discov num	SEI1280	Comp		Coord arcsec 2000	20 51 13.03 +36 50 55.3
Date first	1896	Date last	2016	Obs	6
Pa first	8	Pa last	4.5	P.A. Now (θ)	4.5°
Sep first	3.8	Sep last	3.775	Sep. Now (ρ)	3.775"
Mag pri	10.50	Mag sec	11.00	delta mag (ΔM)	0.5	Spectral class
Pri motion ra	-006	Sec motion ra	+004
Pri motion dec	-017	Sec motion dec	-001
Notes

rPM=1.047

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1870845285504276608

WDS 20512+3650 SEI 1280 : 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
20512+3650	SEI1280		2001	3	6	3.6	10.50	11.00		D	205113.03+365055.3
20512+3650	SEI1280		2002	4	5	3.8	10.50	11.00		D	205113.03+365055.3
20512+3650	SEI1280		2015	5	5	3.8	10.50	11.00			205113.03+365055.3
20512+3650	SEI1280		2016	6	5	3.8	10.50	11.00			205113.03+365055.3

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WDS 20512+3650 SEI 1280 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20512+3650 SEI 1280 : MEASURES

No records found.

WDS 20512+3650 : VIRTUAL EYEPIECE

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WDS 20512+3650 : ALADIN DSS IMAGE @ 20^h 51^m 13.03^s +36° 50' 55.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20512+3650 SEI 1280 : 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		20512+3650	SEI1280		5	3.8	1
Show		20508+3641	SEI1276		266	22.6	11
Show		20521+3657	SEI1285		301	27.6	13
Show		20503+3645	TDT2568		174	2.4	13
Show		20521+3645	ES 250		88	4.4	14
Show		20502+3642	SEI1270		211	23.1	16
Show		20526+3655	A 1435		6	0.5	18
Show		20500+3640	TOB 199		109	18.8	19
Show		20505+3635	SEI1271	AB	27	14.9	19
Show		20505+3635	SEI1272	AC	185	20.4	19
Show		20528+3646	COU2221		30	0.3	20
Show		20510+3717	SEI1277		32	8.1	27
Show		20515+3717	SEI1282		270	27.4	27
Show		20501+3714	SEI1268	AB	123	27.3	27
Show		20501+3714	CLL 15	AC	20	48.5	27
Show		20533+3639	SEI1293		53	14.2	28
Show		20491+3640	SEI1260		42	7.5	28
Show		20535+3645	SEI1296		278	10.5	29
Show		20538+3702	SEI1300		120	1.8	33
Show		20524+3724	SEI1287		353	6.7	36
Show		20506+3615	SEI1274		243	33.5	36
Show		20503+3615	TDT2569		55	0.4	38
Show		20544+3658	TDT2623		36	1.0	39
Show		20544+3648	SEI1306		306	17.1	39
Show		20544+3704	SEI1305		148	23.0	40
Show		20527+3728	SEI1288		259	24.2	41
Show		20490+3619	COU1811		255	0.8	42
Show		20538+3622	SEI1302		47	25.0	44
Show		20547+3704	STT 419		24	1.7	44
Show		20538+3723	SEI1299	AB	356	9.0	45
Show		20538+3723	SEI1301	AC	290	26.3	45
Show		20546+3709	SEI1307		307	3.7	45
Show		20544+3625	POP 157		224	3.0	47
Show		20533+3731	TDT2606		65	4.4	48
Show		20531+3610	SEI1291		103	9.0	48
Show		20547+3714	TDT2625		255	0.5	48
Show		20549+3709	COU2295		180	0.4	48
Show		20474+3629	FYM 126	CD	112	9.4	50
Show		20474+3629	FYM 126	CE	207	40.1	50
Show		20506+3740	SKF1925		170	13.8	50
Show		20474+3629	MCA 63	Aa,Ab	46	0.1	51
Show		20474+3629	STT 413	AB	1	0.9	51
Show		20474+3629	S 765	AC	106	82.8	51
Show		20474+3629	FYM 126	AF	119	52.0	51
Show		20528+3602	TDT2598		227	0.5	53
Show		20554+3708	SEI1314		178	18.4	54
Show		20468+3648	STJ 73		231	0.9	54
Show		20485+3608	SEI1253		83	24.1	54
Show		20536+3605	SEI1297		270	18.6	54
Show		20533+3740	SEI1294		26	23.1	54
Show		20560+3643	SEI1320		64	13.9	59

WDS 20512+3650 : COMPONENTS

	A
B	pa=3.6° sep=3.77"

20512+3650 A

Componente originario normalizzato	AB		Coord arcsec 2000	205113.03+365055.3		Mag	10.5		PmRA	-6.00
PmDE	-17.0

20512+3650 B

Componente originario normalizzato	AB		Coord arcsec 2000	205113.05+365059.1		Mag	11		PmRA	4.00
PmDE	-1.0		Calc delta mag	0.5		Calc coord	yes