20449+3524 SEI 1235

20^h 44^m 53.53^s +35° 23' 45.9" P.A. 77.00 sep 9.4 mag 12.60,12.30

Coord 2000	20449+3524	Discov num	SEI1235	Comp		Coord arcsec 2000	20 44 53.53 +35 23 45.9
Date first	1896	Date last	2015	Obs	13
Pa first	80	Pa last	77.4	P.A. Now (θ)	77.4°
Sep first	9.3	Sep last	9.37	Sep. Now (ρ)	9.37"
Mag pri	12.60	Mag sec	12.30	delta mag (ΔM)	0.3	Spectral class
Pri motion ra	+004	Sec motion ra	-004
Pri motion dec	-009	Sec motion dec	-007
Notes	R (Red magnitudes)

rPM=0.837

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1870284637650673280

WDS 20449+3524 SEI 1235 : 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
20449+3524	SEI1235		1941	5	79	10.0	10.53	10.50			204500.74+352407.1
20449+3524	SEI1235		2000	6	78	9.4	11.90	12.10			204453.54+352345.9
20449+3524	SEI1235		2002	7	78	9.3	12.60	12.30		R	204453.53+352345.9
20449+3524	SEI1235		2008	6	87	11.3	10.53	10.50			204500.74+352407.1
20449+3524	SEI1235		2015	8	77	9.4	12.60	12.30		R	204453.53+352345.9

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WDS 20449+3524 SEI 1235 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20449+3524 SEI 1235 : MEASURES

No records found.

WDS 20449+3524 : VIRTUAL EYEPIECE

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WDS 20449+3524 : ALADIN DSS IMAGE @ 20^h 44^m 53.53^s +35° 23' 45.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20449+3524 SEI 1235 : 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		20449+3524	SEI1235		77	9.4
Show		20451+3529	COU1809		101	0.7	6
Show		20452+3531	SEI1237		272	26.1	9
Show		20456+3521	TDT2520		16	0.4	9
Show		20448+3542	SEI1234		127	19.1	19
Show		20462+3533	ES 2252	AB	294	4.2	19
Show		20462+3533	LMP 18	AB,C	82	26.0	19
Show		20462+3533	LMP 18	AB,D	85	35.5	19
Show		20434+3535	ISM 5	AB	145	0.0	22
Show		20434+3535	EVS 44	AC	96	12.9	22
Show		20434+3535	EVS 44	AD	298	14.8	22
Show		20464+3511	COU1810		183	0.2	23
Show		20462+3546	SEI1243	AB	203	16.2	28
Show		20462+3546	TDT2529	Aa,Ab	218	0.6	28
Show		20465+3504	GRV 379		162	57.1	29
Show		20460+3554	TDT2525		70	0.6	34
Show		20465+3550	ES 2196		70	5.6	34
Show		20471+3545	SEI1247		78	25.6	36
Show		20450+3600	ALI 204		307	11.5	36
Show		20422+3510	POP 9		342	4.5	36
Show		20466+3452	SEI1246		58	18.9	38
Show		20466+3451	SEI1245		5	23.1	38
Show		20430+3555	HJ 1568		44	11.2	40
Show		20460+3601	SEI1242		214	23.6	40
Show		20424+3455	COU1965		278	0.4	42
Show		20414+3515	COU1964		130	1.0	43
Show		20479+3456	TDT2545		195	2.5	47
Show		20411+3516	COU1963	AB		0.2	48
Show		20411+3516	COU1963	AB,C	41	1.8	48
Show		20418+3553	HJ 1560	AB	248	12.8	48
Show		20418+3553	HJ 1560	AC	74	24.3	48
Show		20435+3609	ES 2195	AB	4	20.7	48
Show		20435+3609	ES 2195	BC	91	1.8	49
Show		20423+3601	TDT2481		43	0.7	50
Show		20481+3554	SEI1252		115	17.3	50
Show		20485+3550	SEI1254		20	22.3	52
Show		20489+3503	SEI1257	AB	215	17.9	53
Show		20444+3617	GII 53		358	0.3	54
Show		20403+3508	TDT2460		121	2.1	59
Show		20489+3449	SEI1258		351	25.1	60
Show		20490+3451	SEI1259		88	15.5	60
Show		20429+3430	SEI1225		275	17.0	60
Show		20494+3548	SEI1262		301	6.1	61
Show		20499+3531	SEI1266		179	10.5	63
Show		20485+3608	SEI1253		83	24.1	63
Show		20501+3534	TDT2567		125	0.4	64
Show		20406+3603	SEI1213		243	29.3	66
Show		20401+3551	SEI1211		149	20.4	66
Show		20462+3628	TDT2528		4	1.9	66
Show		20472+3422	BU 677	AB	120	10.0	68
Show		20472+3422	BU 677	AC	211	16.8	68

WDS 20449+3524 : COMPONENTS

	A
B	pa=74.7° sep=7.73"

20449+3524 A

Componente originario normalizzato	AB		Coord arcsec 2000	204453.53+352345.9		Mag	12.6		PmRA	4.00
PmDE	-9.0

20449+3524 B

Componente originario normalizzato	AB		Coord arcsec 2000	204454.14+352347.9		Mag	12.3		PmRA	-4.00
PmDE	-7.0		Calc delta mag	0.3		Calc coord	yes