21443+5342 BKO 904

21^h 44^m 16.43^s +53° 42' 19.6" P.A. 324.00 sep 4.4 mag 13.43,13.60

Coord 2000	21443+5342	Discov num	BKO 904	Comp		Coord arcsec 2000	21 44 16.43 +53 42 19.6
Date first	2000	Date last	2015	Obs	4
Pa first	327	Pa last	324.1	P.A. Now (θ)	324.1°
Sep first	4.3	Sep last	4.412	Sep. Now (ρ)	4.412"
Mag pri	13.43	Mag sec	13.60	delta mag (ΔM)	0.17	Spectral class
Pri motion ra	+025	Sec motion ra
Pri motion dec	-020	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2173516342445953536

WDS 21443+5342 BKO 904 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bko2002	C -	Ladanyi, T. & Berko, E.	...................
Bko2002		Webb Soc., Double Star Circ. 10, 2002
Bko2003	C u	Ladanyi, T., Berko, E. & Vaskuti, G	...................
Bko2003		Webb Soc., Double Star Circ. 11, 2003
Bko2004	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2004		Webb Soc., Double Star Circ. 12, 2004
Bko2005	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2005		Webb Soc., Double Star Circ. 13, 2005
Bko2008	C u	Berko, E. & Vaskuti, G.	...................
Bko2008		Webb Soc., Double Star Circ. 16, 2008
Bko2008b	C u	Berko, E.	2008JDSO....4..144B
Bko2008b		JDSO 4, 144, 2008
Bko2009	C u	Berko, E.	2009JDSO....5...49B
Bko2009		JDSO 5, 49, 2009
Bko2009b	C u	Berko, E.	2009JDSO....5..168B
Bko2009b		JDSO 5, 168, 2009
Bko2009c	C u	Berko, E.	...................
Bko2009c		Webb Soc., Double Star Circ. 17, 2009
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009
Bko2010a	C u	Berko, E.	2010JDSO....6...21B
Bko2010a		JDSO 6, 21, 2010
Bko2010b	C u	Berko, E.	...................
Bko2010b		Webb Soc., Double Star Circ. 18, 2010
Bko2011a	C u	Berko, E.	2011JDSO....7....2B
Bko2011a		JDSO 7, 2, 2011
Bko2011b	C u	Berko, E.	...................
Bko2011b		Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c	C u	Berko, E.	...................
Bko2011c		Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012	C u	Berko, E.	...................
Bko2012		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
21443+5342	BKO 904		2009	2	322	3.7	13.43	13.60			214416.43+534219.6
21443+5342	BKO 904		2015	4	324	4.4	13.43	13.60			214416.43+534219.6

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

WDS 21443+5342 BKO 904 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21443+5342 BKO 904 : MEASURES

No records found.

WDS 21443+5342 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 21443+5342 : ALADIN DSS IMAGE @ 21^h 44^m 16.43^s +53° 42' 19.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21443+5342 BKO 904 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21443+5342	BKO 904		324	4.4
Show		21441+5342	BKO 903		270	12.1	2
Show		21439+5344	HJ 3058		264	9.1	4
Show		21438+5343	BKO 902		329	6.9	5
Show		21436+5346	BKO 901		142	8.2	8
Show		21435+5345	DAM 233		227	8.3	8
Show		21443+5350	DAM 234		231	7.3	8
Show		21455+5356	TDT3140		257	1.1	18
Show		21421+5322	A 1894		142	2.0	29
Show		21465+5411	TDT3152		314	0.5	35
Show		21403+5338	TDT3099		259	2.1	36
Show		21425+5308	ES 1009		298	4.2	37
Show		21460+5308	TDT3147		195	1.4	38
Show		21405+5401	RAO 464		334	1.9	39
Show		21472+5310	GIC 171		191	13.7	42
Show		21482+5407	LDS5928		46	7.1	43
Show		21398+5403	TDT3093		333	0.4	45
Show		21400+5407	GIC 169		78	1.2	46
Show		21400+5316	TDS1138		98	1.1	47
Show		21406+5416	BKO 900		172	5.4	47
Show		21495+5349	HJ 3062	AB	123	21.4	47
Show		21495+5349	HJ 3066	AC	202	30.8	47
Show		21495+5349	HJ 3066	AD	181	36.3	47
Show		21496+5350	TDT3181		265	1.6	48
Show		21497+5342	ES 681		225	2.2	49
Show		21477+5419	ES 1013		15	2.2	49
Show		21452+5431	HDS3098		61	19.9	49
Show		21406+5419	ES 35	AB	219	8.6	49
Show		21406+5419	ES 35	AC	28	18.2	49
Show		21406+5419	ABH 149	AD	304	11.6	49
Show		21406+5419	ABH 149	AE	252	77.0	49
Show		21406+5419	ABH 149	AF	348	64.5	49
Show		21406+5419	ABH 149	AG	303	89.9	49
Show		21406+5419	ABH 149	AH	294	87.0	49
Show		21406+5419	ABH 149	AI	280	83.8	49
Show		21406+5419	ABH 149	AJ	241	127.9	49
Show		21406+5419	ABH 149	AK	228	100.6	49
Show		21452+5254	ES 1011		222	7.5	50
Show		21451+5432	TDT3135		194	2.2	50
Show		21501+5340	ES 1014		231	4.0	52
Show		21406+5423	BKO 899		154	7.5	52
Show		21378+5333	TDT3067		34	0.8	59
Show		21376+5403	HDS3078		222	0.3	62
Show		21372+5346	MLR 609		41	1.0	63
Show		21394+5255	SKF 349		266	14.0	65
Show		21429+5448	STI2587		108	8.9	67
Show		21395+5438	ES 1008		308	8.4	70
Show		21520+5401	BU 1507		67	17.4	71
Show		21514+5418	HLD 50	AB	175	1.6	73
Show		21514+5418	HLD 50	AC	334	7.6	73
Show		21358+5343	TDT3048		222	0.6	76

WDS 21443+5342 : COMPONENTS

	A
B	pa=336.8° sep=3.89"

21443+5342 A

Componente originario normalizzato	AB		Coord arcsec 2000	214416.43+534219.6		Mag	13.43		PmRA	25.00
PmDE	-20.0

21443+5342 B

Componente originario normalizzato	AB		Coord arcsec 2000	214416.26+534223.2		Mag	13.6		Calc delta mag	0.17
Calc coord	yes