21346+4817 SWN 8

21^h 34^m 37.11^s +48° 17' 56.1" P.A. 119.00 sep 7.8 mag 12.70,12.70 Sp B9V

Coord 2000	21346+4817	Discov num	SWN 8	Comp		Coord arcsec 2000	21 34 37.11 +48 17 56.1
Date first	1904	Date last	2015	Obs	9
Pa first	113	Pa last	119	P.A. Now (θ)	119°
Sep first	8.4	Sep last	7.793	Sep. Now (ρ)	7.793"
Mag pri	12.70	Mag sec	12.70	delta mag (ΔM)	0	Spectral class	B9V (blue-white)
Pri motion ra	-009	Sec motion ra	-003
Pri motion dec	-004	Sec motion dec	-010
Notes	R (Red magnitudes)

rPM=0.813

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1978434667256873216

WDS 21346+4817 SWN 8 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Swn2012	Pa u	Swann, M.	...................
Swn2012	+C	Webb Soc., Double Star Circ. 20, 2012

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21346+4817	SWN 8		1991	3	118	7.8	11.90	12.10			213357.10+484209.8
21346+4817	SWN 8		2003	5	119	7.8	12.70	12.70	B9V	R	213437.11+481756.1
21346+4817	SWN 8		2015	6	119	7.8	12.70	12.70	B9V	R	213437.11+481756.1

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

WDS 21346+4817 SWN 8 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21346+4817 SWN 8 : MEASURES

No records found.

WDS 21346+4817 : VIRTUAL EYEPIECE

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WDS 21346+4817 : ALADIN DSS IMAGE @ 21^h 34^m 37.11^s +48° 17' 56.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21346+4817 SWN 8 : 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		21346+4817	SWN 8		119	7.8
Show		21346+4813	RAO 462	AB	82	0.8	6
Show		21346+4813	GRV1284	AC	35	12.3	6
Show		21342+4808	ES 519		318	8.2	11
Show		21338+4811	SWN 6		272	6.2	11
Show		21361+4814	ES 1174		254	2.2	15
Show		21332+4816	POP 55		201	4.9	16
Show		21339+4833	YR 3		214	0.3	17
Show		21323+4821	DJU 7		98	3.1	20
Show		21366+4824	TDT3057		232	0.5	21
Show		21327+4829	HJ 1657	AB	16	23.1	22
Show		21339+4842	SWN 7		313	1.9	26
Show		21321+4828	COU2442		300	0.2	30
Show		21316+4811	SWN 5		30	5.1	31
Show		21314+4829	ARN 78	AB	101	50.0	31
Show		21315+4817	A 771	AB	50	0.0	32
Show		21314+4821	COU2441		304	0.2	33
Show		21380+4829	ES 102		36	11.4	36
Show		21332+4853	TDT3028		126	0.7	38
Show		21326+4850	SWN 9		258	15.4	38
Show		21308+4827	A 770	AB	143	0.1	40
Show		21308+4827	A 770	AB,C	317	1.1	40
Show		21308+4827	A 770	AB,D	15	98.9	40
Show		21308+4827	A 770	DE	41	7.2	40
Show		21304+4832	SWN 3		142	1.0	45
Show		21372+4739	BEM 39	BC	124	6.5	47
Show		21372+4739	BEM 39	AB	329	15.7	47
Show		21372+4739	BEM 39	AD	7	25.9	47
Show		21372+4739	BEM 39	AE	124	25.1	47
Show		21308+4752	A 769		296	0.7	47
Show		21314+4853	SWN 4		56	0.9	48
Show		21386+4747	COU2311		241	1.0	52
Show		21367+4905	TDT3061		46	0.6	52
Show		21306+4852	OSO 148	AB	170	16.1	53
Show		21306+4852	OSO 148	AC	119	23.8	53
Show		21306+4852	OSO 148	AD	346	18.6	53
Show		21345+4725	ES 1172	AB	104	6.4	53
Show		21345+4725	ES 1172	AC	205	16.3	53
Show		21345+4725	ABH 146	AD	170	30.6	53
Show		21345+4725	ABH 146	AE	33	32.6	53
Show		21345+4725	ABH 146	AF	58	49.7	53
Show		21345+4725	ABH 146	AG	104	48.6	53
Show		21345+4725	ABH 146	AH	247	43.1	53
Show		21345+4725	ABH 146	AI	92	119.9	53
Show		21345+4725	ABH 146	AJ	250	107.2	53
Show		21345+4725	ABH 146	AK	246	112.4	53
Show		21345+4725	ABH 146	AL	232	102.7	53
Show		21306+4742	ES 824		353	6.0	54
Show		21295+4836	SWN 1		2	5.3	55
Show		21300+4848	SWN 2		352	3.1	55
Show		21401+4824	HJ 1681	AB	107	7.5	55

WDS 21346+4817 : COMPONENTS

	A
B	pa=129.8° sep=5.90"

21346+4817 A

Componente originario normalizzato	AB		Coord arcsec 2000	213437.11+481756.1		Mag	12.7		Spectral class	B9V (blue-white)
PmRA	-9.00		PmDE	-4.0

21346+4817 B

Componente originario normalizzato	AB		Coord arcsec 2000	213437.56+481752.3		Mag	12.7		PmRA	-3.00
PmDE	-10.0		Calc coord	yes