20124+3545 BKO 104 AB

20^h 12^m 21.90^s +35° 45' 05.1" P.A. 72.00 sep 9.4 mag 11.90,11.80

Coord 2000	20124+3545	Discov num	BKO 104	Comp	AB	Coord arcsec 2000	20 12 21.90 +35 45 05.1
Date first	1998	Date last	2015	Obs	8
Pa first	72	Pa last	71.9	P.A. Now (θ)	71.9°
Sep first	9.4	Sep last	9.404	Sep. Now (ρ)	9.404"
Mag pri	11.90	Mag sec	11.80	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	+051	Sec motion ra	-003
Pri motion dec	-029	Sec motion dec	+001
Notes	R (Red magnitudes)

rPM=1.053

This double is not physical.

20124+3545 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 12 22 +35 45 05	BKO 104 AB	2015	8	72	9.4	11.90	11.80	0.10		<===
Show			20 12 22 +35 45 05	BKO 104 AC	2015	8	285	9.3	11.90	13.80	1.90

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2058954824352116608

WDS 20124+3545 BKO 104 AB : 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
20124+3545	BKO 104	AB	2002	2	72	9.5	10.50	15.00		D	201222.54+354508.6
20124+3545	BKO 104	AB	2015	4	72	9.5	11.90	11.80		R	201221.90+354505.1

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

WDS 20124+3545 BKO 104 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20124+3545 BKO 104 AB : MEASURES

No records found.

WDS 20124+3545 : 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 20124+3545 : ALADIN DSS IMAGE @ 20^h 12^m 21.90^s +35° 45' 05.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20124+3545 BKO 104 AB : 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		20124+3545	BKO 104	AB	72	9.4
Show		20124+3545	BKO 104	AC	285	9.3
Show		20122+3548	SEI 992		77	26.4	4
Show		20124+3549	TOB 177		221	20.1	4
Show		20123+3540	FYM 582		267	4.9	5
Show		20125+3552	SEI1001		188	29.2	8
Show		20119+3550	SEI 985	AB	17	16.6	8
Show		20119+3550	BKO 103	AC	92	8.1	8
Show		20119+3551	SEI 983	AB	89	3.5	9
Show		20119+3551	SEI 983	AC	243	8.1	9
Show		20119+3551	BKO 102	AD	277	14.7	9
Show		20118+3540	SEI 979		350	6.3	10
Show		20115+3545	TDT2066		129	1.0	11
Show		20114+3552	HJ 1490		355	8.6	13
Show		20115+3539	SEI 968		127	5.6	13
Show		20113+3550	BU 430	AB	23	1.2	14
Show		20113+3550	BU 430	AC	173	7.2	14
Show		20113+3550	HJ 1489	AD	51	17.1	14
Show		20113+3551	BKO 100		91	6.3	15
Show		20135+3551	SEI1018		170	22.3	15
Show		20122+3600	SEI 991		296	20.1	15
Show		20136+3553	SEI1021	BC	52	3.3	17
Show		20136+3553	SEI1021	AB	248	13.4	17
Show		20136+3553	SEI1021	AD	121	6.9	17
Show		20136+3553	SEI1021	AC	253	10.3	17
Show		20117+3600	SEI 978		151	7.6	18
Show		20137+3551	TDT2105		168	0.6	18
Show		20114+3532	TDT2064		329	0.6	18
Show		20122+3603	SEI 994		250	27.1	18
Show		20121+3603	SEI 990		296	26.7	18
Show		20139+3545	COU2215		75	0.7	19
Show		20131+3602	SEI1014		351	27.7	20
Show		20108+3552	SEI 954		314	4.8	21
Show		20110+3559	SEI 961		20	13.9	22
Show		20115+3604	SEI 972		147	23.9	22
Show		20113+3527	SEI 966		246	26.0	23
Show		20105+3550	SEI 944		90	17.2	24
Show		20135+3526	COU2214	AB	31	1.1	24
Show		20135+3526	COU2214	AC	263	3.4	24
Show		20135+3607	SEI1019		115	23.9	26
Show		20107+3529	RAO 427		126	0.5	27
Show		20119+3612	BLL 46	AB	109	53.2	28
Show		20119+3612	BKO 101	AC	242	41.1	28
Show		20132+3611	NSN 731		324	25.3	29
Show		20126+3614	SEI1003		282	23.4	29
Show		20144+3556	SEI1035		198	15.4	30
Show		20120+3614	TOB 176		197	18.8	30
Show		20109+3612	SEI 959		71	21.6	33
Show		20101+3602	SEI 938		22	5.4	33
Show		20144+3524	ES 244	AB	130	41.2	33
Show		20142+3522	ES 204		281	15.1	33

WDS 20124+3545 : COMPONENTS

	A	B
B	pa=68.1° sep=7.82"
C	pa=288.7° sep=7.68"	pa=268.2° sep=14.53"

20124+3545 A

Coord arcsec 2000

201221.90+354505.1

Mag

11.9

PmRA

51.00

PmDE

-29.0

20124+3545 B

Coord arcsec 2000	201222.50+354508.0		Mag	11.8		PmRA	-3.00		PmDE	1.0
Calc delta mag	0.1		Calc coord	yes

20124+3545 C

Coord arcsec 2000	201221.30+354507.6		Mag	13.8		PmRA	-2.00		PmDE	0.0
Calc delta mag	1.9		Calc coord	yes