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20069+3545
BKO 88 AC

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20069+3545 BKO 88 AC

20^h 06^m 53.82^s +35° 45' 05.7" P.A. 167.00 sep 4.2 mag 10.80,14.50

Coord 2000	20069+3545	Discov num	BKO 88	Comp	AC	Coord arcsec 2000	20 06 53.82 +35 45 05.7
Date first	1998	Date last	2015	Obs	3
Pa first	166	Pa last	167.1	P.A. Now (θ)	167.1°
Sep first	4.2	Sep last	4.202	Sep. Now (ρ)	4.202"
Mag pri	10.80	Mag sec	14.50	delta mag (ΔM)	3.7	Spectral class
Pri motion ra	-001	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes

Nature of this double is uncertain.

20069+3545 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 06 54 +35 45 06	SEI 886 AB	2015	8	123	27.2	12.37	12.65	0.28
Show			20 06 54 +35 45 06	BKO 88 AC	2015	3	167	4.2	10.80	14.50	3.70		<===
Show			20 06 54 +35 45 06	BKO 88 AE	2015	4	38	43.7	10.80	14.00	3.20
Show			20 06 56 +35 44 51	BKO 88 BD	2015	8	251	8.9	11.00	13.60	2.60
Show			20 06 56 +35 45 40	BKO 88 EF	2015	8	261	6.4	14.00	14.50	0.50
Show			20 06 56 +35 45 40	BKO 88 EG	2015	8	302	6.0	14.00	14.70	0.70

Septuple system
7 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2059048763873903360

WDS 20069+3545 BKO 88 AC : 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
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
20069+3545	BKO 88	AC	2002	2	169	4.3	10.80	14.50		D	200653.82+354505.7
20069+3545	BKO 88	AC	2015	3	167	4.2	10.80	14.50			200653.82+354505.7

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

WDS 20069+3545 BKO 88 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20069+3545 BKO 88 AC : MEASURES

No records found.

WDS 20069+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 20069+3545 : ALADIN DSS IMAGE @ 20^h 06^m 53.82^s +35° 45' 05.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20069+3545 BKO 88 AC : 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		20069+3545	SEI 886	AB	123	27.2
Show		20069+3545	BKO 88	AC	167	4.2
Show		20069+3545	BKO 88	AE	38	43.7
Show		20069+3545	BKO 88	BD	251	8.9	1
Show		20069+3545	BKO 88	EF	261	6.4	1
Show		20069+3545	BKO 88	EG	302	6.0	1
Show		20069+3546	SEI 885		285	14.1	1
Show		20066+3544	RAO 518		-1	0.2	4
Show		20074+3543	STT 398	AB	82	1.0	7
Show		20074+3543	A 280	AC	133	5.7	7
Show		20064+3543	SEI 877	AB	46	12.9	7
Show		20064+3543	BKO 84	AC	20	5.8	7
Show		20073+3553	SEI 892	AB	335	15.5	9
Show		20073+3553	BKO 91	AC	290	12.4	9
Show		20073+3553	BKO 91	AD	298	51.6	9
Show		20073+3553	BKO 91	DE	100	6.8	9
Show		20074+3537	ALI 181		219	14.6	10
Show		20070+3554	SEI 887	AB	200	22.8	10
Show		20070+3554	SEI 888	AC	53	21.6	10
Show		20074+3553	SEI 894	AB	344	29.1	10
Show		20062+3544	SEI 867	AB	244	12.9	10
Show		20062+3544	BKO 82	AC	33	6.9	10
Show		20062+3544	BKO 82	AD	295	13.0	10
Show		20074+3553	BKO 92	BC	45	14.4	10
Show		20060+3546	SEI 865	EG	196	14.5	11
Show		20060+3546	ES 25	AB	122	8.6	11
Show		20060+3546	ES 25	AC	297	11.8	11
Show		20060+3546	SHJ 315	AD	236	20.2	11
Show		20060+3546	WAL 127	AE	94	33.7	11
Show		20060+3546	ES 25	AF	329	95.7	11
Show		20063+3538	SEI 871	AB	172	11.5	11
Show		20063+3538	SEI 872	AC	56	29.1	11
Show		20075+3553	SEI 896		130	11.4	11
Show		20062+3551	SEI 869		50	5.0	12
Show		20075+3535	COU2126		158	0.7	12
Show		20060+3547	BU 429	FG	110	10.2	12
Show		20060+3547	DOO 78	FH	153	17.5	12
Show		20073+3534	SEI 893	CD	119	27.4	12
Show		20073+3534	COU2125	Aa,Ab	69	0.1	12
Show		20073+3534	ES 2248	AB	30	5.9	12
Show		20073+3534	ES 2248	AC	222	50.6	12
Show		20060+3545	SEI 858	AB	28	19.8	12
Show		20060+3545	SEI 857	AC	323	27.6	12
Show		20060+3547	BU 440	AB	63	6.9	12
Show		20060+3547	BU 429	AC	29	12.8	12
Show		20060+3547	SHJ 314	AD	299	11.3	12
Show		20060+3547	BU 429	AE	107	28.0	12
Show		20060+3547	SHJ 314	AF	28	36.3	12
Show		20060+3547	HAU 26	AG	43	38.5	12
Show		20060+3547	DOO 78	AH	57	29.7	12
Show		20060+3547	CIA 18	Aa,Ab	218	0.0	12

WDS 20069+3545 : COMPONENTS

	A	B	C	D	E	F
B	pa=123.0° sep=27.15"
C	pa=169.5° sep=4.17"	pa=295.9° sep=24.47"
D	pa=137.9° sep=23.81"	pa=247.1° sep=7.38"	pa=131.7° sep=20.38"
E	pa=38.3° sep=43.82"	pa=5.1° sep=49.39"	pa=34.4° sep=46.67"	pa=12.1° sep=53.25"
F	pa=33.3° sep=40.01"	pa=359.1° sep=48.24"	pa=29.5° sep=43.11"	pa=6.7° sep=51.45"	pa=259.4° sep=5.26"
G	pa=31.5° sep=44.06"	pa=0.3° sep=52.36"	pa=28.1° sep=47.24"	pa=7.3° sep=55.68"	pa=307.6° sep=5.18"	pa=14.6° sep=4.26"

20069+3545 A

Coord arcsec 2000

200653.82+354505.7

Mag

12.37

PmRA

0.00

PmDE

1.0

20069+3545 B

Coord arcsec 2000	200655.69+354450.9		Coord calc	200655.69+354450.9		Mag	11		PmRA	1.00
PmDE	-3.0		Calc delta mag	1.37

20069+3545 C

Coord arcsec 2000

200653.88+354501.6

Mag

14.5

Calc delta mag

2.13

Calc coord

yes

20069+3545 D

Coord arcsec 2000	200655.13+354448.0		Mag	13.6		PmRA	-5.00		PmDE	-9.0
Calc delta mag	1.23		Calc coord	yes

20069+3545 E

Coord arcsec 2000	200656.05+354540.1		Coord calc	200656.05+354540.1		Mag	14		PmRA	-5.00
PmDE	-6.0		Calc delta mag	1.63

20069+3545 F

Coord arcsec 2000	200655.62+354539.1		Mag	14.5		PmRA	-8.00		PmDE	-39.0
Calc delta mag	2.13		Calc coord	yes

20069+3545 G

Coord arcsec 2000

200655.71+354543.3

Mag

14.7

Calc delta mag

2.33

Calc coord

yes