20221+3839 BKO 830

20^h 22^m 04.20^s +38° 38' 36.2" P.A. 91.00 sep 8.5 mag 12.50,13.30

Coord 2000	20221+3839	Discov num	BKO 830	Comp		Coord arcsec 2000	20 22 04.20 +38 38 36.2
Date first	1998	Date last	2015	Obs	8
Pa first	93	Pa last	90.9	P.A. Now (θ)	90.9°
Sep first	8.5	Sep last	8.462	Sep. Now (ρ)	8.462"
Mag pri	12.50	Mag sec	13.30	delta mag (ΔM)	0.8	Spectral class
Pri motion ra	-004	Sec motion ra	-006
Pri motion dec	-005	Sec motion dec	+012
Notes

rPM=1.276

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3152-01261-1

Gaia DR2

2061179342508617472

WDS 20221+3839 BKO 830 : 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
20221+3839	BKO 830		2009	1	94	8.3	12.50	13.30			202204.20+383836.2
20221+3839	BKO 830		2015	4	91	8.5	12.50	13.30			202204.20+383836.2

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

WDS 20221+3839 BKO 830 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20221+3839 BKO 830 : MEASURES

No records found.

WDS 20221+3839 : 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 20221+3839 : ALADIN DSS IMAGE @ 20^h 22^m 04.20^s +38° 38' 36.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20221+3839 BKO 830 : 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		20221+3839	BKO 830		91	8.5
Show		20219+3835	TDT2208		268	0.5	4
Show		20223+3837	BKO 832		334	5.1	4
Show		20216+3836	SEI1102		337	18.9	6
Show		20229+3829	BKO 833	BC	152	2.5	14
Show		20229+3829	MLB 773	AB	294	10.0	15
Show		20221+3855	SEI1104		195	18.2	17
Show		20229+3856	SEI1106		109	3.8	20
Show		20204+3840	SEI1088	AB	238	4.3	21
Show		20204+3840	SEI1089	AC	17	28.2	21
Show		20236+3852	TDT2233		151	2.4	22
Show		20238+3830	BKO 153	BF	323	16.0	23
Show		20238+3830	BKO 153	BE	264	14.7	23
Show		20238+3830	BKO 153	BG	31	14.6	23
Show		20238+3830	FYM 128	BH	223	10.9	23
Show		20238+3830	FYM 128	BI	57	32.2	23
Show		20202+3838	ES 2052		144	2.5	23
Show		20202+3840	SLE1006	AB	156	16.0	23
Show		20202+3840	SLE1006	AC	90	18.7	23
Show		20238+3830	BUP 209	AB	320	38.5	23
Show		20238+3830	BUP 209	AC	296	65.8	23
Show		20238+3830	BKO 153	AD	119	54.6	23
Show		20236+3854	TDT2232	AB	211	1.5	24
Show		20236+3854	GII 51	AC	356	3.2	24
Show		20236+3854	GII 51	Aa,Ab	115	0.1	24
Show		20214+3900	GRV 334		275	31.1	24
Show		20216+3902	SEI1101		11	11.6	25
Show		20236+3817	TDT2234		230	1.9	29
Show		20240+3820	TDS1068		259	1.3	30
Show		20198+3852	SLE1004		166	11.2	30
Show		20242+3819	SEI1116		342	30.3	32
Show		20216+3807	SLE1013		351	15.1	32
Show		20194+3831	SLE1001		216	16.1	33
Show		20196+3820	A 1426		259	3.7	34
Show		20230+3913	SEI1107	BC	69	19.3	36
Show		20240+3906	FGS 32		-1	-1.0	36
Show		20230+3913	STTA206	AB	254	43.7	36
Show		20230+3913	STTA206	AD	259	24.5	36
Show		20206+3806	SLE1009		344	15.6	37
Show		20252+3846	TDT2255		321	0.9	38
Show		20189+3839	SLE 996		106	6.6	38
Show		20192+3822	ES 2504		110	7.7	38
Show		20249+3858	COU2418		331	2.0	39
Show		20192+3859	HO 126	AB	163	2.2	39
Show		20192+3859	HO 126	AC	247	37.0	39
Show		20243+3811	TDS1070		203	1.9	39
Show		20239+3912	J 129		35	3.3	40
Show		20223+3759	SEI1105		188	17.6	41
Show		20210+3919	SEI1097	AB	44	27.2	41
Show		20241+3912	SEI1115		181	23.6	41
Show		20210+3919	TOB 186	BC	51	16.2	41

WDS 20221+3839 : COMPONENTS

	A
B	pa=91.2° sep=6.61"

20221+3839 A

Componente originario normalizzato	AB		Coord arcsec 2000	202204.20+383836.2		Mag	12.5		PmRA	-4.00
PmDE	-5.0		Tycho2	3152-01261-1

Tycho2

Tycho2	3152-01261-1	Pflag		RAmdeg	305.51751540	DEmdeg	38.64340288
PmRA	-3.2	PmDE	-7.7	E RAmdeg	85	E DEmdeg	77
E pmRA	2.7	E pmDE	2.6	EpRAm	1978.13	EpDEm	1979.58
Num	3	Q RAmdeg	0.7	Q DEmdeg	2.1	Q pmRA	0.7
Q pmDE	2.1	BTmag	12.004	E BTmag	0.124	VTmag	12.523
E VTmag	0.249	Prox	999	TYC		HIP
CCDM		RAdeg	305.51752278	DEdeg	38.64341639	EpRA 1990	1.71
EpDE 1990	1.73	E RAdeg	92.5	E DEdeg	83.2	Posflg
Corr	0.1

20221+3839 B

Componente originario normalizzato	AB		Coord arcsec 2000	202204.76+383836.1		Mag	13.3		PmRA	-6.00
PmDE	12.0		Calc delta mag	0.8		Calc coord	yes