20335+4702 BKO 155

20^h 33^m 30.35^s +47° 01' 53.8" P.A. 310.00 sep 8.2 mag 10.76,13.00

Coord 2000	20335+4702	Discov num	BKO 155	Comp		Coord arcsec 2000	20 33 30.35 +47 01 53.8
Date first	2003	Date last	2015	Obs	7
Pa first	310	Pa last	309.9	P.A. Now (θ)	309.9°
Sep first	8.2	Sep last	8.235	Sep. Now (ρ)	8.235"
Mag pri	10.76	Mag sec	13.00	delta mag (ΔM)	2.24	Spectral class
Pri motion ra	-003	Sec motion ra
Pri motion dec	-006	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cygnus		Tycho2	3577-02539-1		Gaia DR2	2071586082627822080		ADS	14010
DM	BD+46 2972

WDS 20335+4702 BKO 155 : 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
20335+4702	BKO 155		2003	1	310	8.1	10.76	13.00			203330.35+470153.8
20335+4702	BKO 155		2015	3	310	8.2	10.76	13.00			203330.35+470153.8

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

WDS 20335+4702 BKO 155 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20335+4702 BKO 155 : MEASURES

No records found.

WDS 20335+4702 : VIRTUAL EYEPIECE

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WDS 20335+4702 : ALADIN DSS IMAGE @ 20^h 33^m 30.35^s +47° 01' 53.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20335+4702 BKO 155 : 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		20335+4702	BKO 155		310	8.2	1
Show		20335+4703	HJ 1541	BC	276	4.0	2
Show		20335+4703	A 738	AB	249	2.4	2
Show		20335+4703	HJ 1541	AC	266	6.3	2
Show		20335+4703	SS 9	AD	198	18.0	2
Show		20335+4703	SS 9	AE	54	20.7	2
Show		20335+4703	SS 9	AF	117	26.0	2
Show		20335+4703	SS 9	AG	176	27.6	2
Show		20335+4703	SS 9	AH	15	29.2	2
Show		20328+4646	POP 156		4	3.2	16
Show		20336+4719	ES 665		129	5.7	17
Show		20349+4651	STTA208	AB	241	83.5	18
Show		20349+4651	BKO 156	AC	98	45.9	18
Show		20322+4648	A 736	AB	349	0.6	20
Show		20322+4648	DAM 636	AC	106	17.0	20
Show		20352+4651	MZA 30	AB	140	22.5	21
Show		20352+4651	MZA 30	AC	115	14.2	21
Show		20352+4651	MZA 30	AD	132	23.8	21
Show		20352+4651	MZA 30	AE	123	17.4	21
Show		20352+4651	MZA 30	AF	106	12.3	21
Show		20325+4644	GII 101		289	0.4	21
Show		20339+4642	HDS2940	Aa,Ab	46	0.3	21
Show		20339+4642	BU 1489	AB	16	116.5	21
Show		20353+4650	MZA 37	AB	319	6.1	22
Show		20353+4650	MZA 37	AC	319	11.1	22
Show		20329+4636	KRV 41		172	19.6	27
Show		20326+4635	ES 664		55	9.0	29
Show		20304+4634	ES 663		110	5.0	43
Show		20379+4710	TDT2436		82	0.6	46
Show		20334+4752	J 4		1	2.6	50
Show		20361+4745	HJ 1549		55	5.5	51
Show		20287+4737	GRF 17		102	160.1	60
Show		20341+4804	YSC 116		270	0.2	63
Show		20388+4629	BRT2268		320	3.4	64
Show		20397+4721	A 748		27	1.4	67
Show		20274+4727	A 732		78	0.7	67
Show		20389+4741	A 746		150	2.0	68
Show		20379+4757	HDS2944	Ca,Cb	29	0.4	70
Show		20379+4757	STF2707	AB	29	21.8	71
Show		20379+4757	STF2707	AC	195	55.3	71
Show		20379+4757	ES 2697	AD	192	17.5	71
Show		20379+4757	GUI 33	BC	199	76.6	71
Show		20397+4734	A 747	AB	104	0.3	71
Show		20397+4734	ES 90	AB,C	141	7.1	71
Show		20360+4555	STJ 103		338	1.3	72
Show		20269+4636	KPP4199		284	1.5	73
Show		20266+4724	HDS2924		209	1.5	74
Show		20300+4556	LSC 91		19	0.3	76
Show		20383+4804	ES 89	AB	209	21.5	79
Show		20261+4725	TDT2268		50	0.7	80
Show		20389+4803	CNT 7		82	3.5	82

WDS 20335+4702 : COMPONENTS

	A
B	pa=320.8° sep=6.82"

20335+4702 A

Componente originario normalizzato	AB		Coord arcsec 2000	203330.35+470153.8		Mag	10.76		PmRA	-3.00
PmDE	-6.0		Tycho2	3577-02539-1		ADS	14010		DM	BD+46 2972

Tycho2

Tycho2	3577-02539-1	Pflag		RAmdeg	308.37646739	DEmdeg	47.03163501
PmRA	-0.9	PmDE	-8.3	E RAmdeg	32	E DEmdeg	40
E pmRA	2.2	E pmDE	2.0	EpRAm	1986.36	EpDEm	1985.61
Num	4	Q RAmdeg	1.9	Q DEmdeg	1.4	Q pmRA	1.9
Q pmDE	1.4	BTmag	12.404	E BTmag	0.177	VTmag	10.760
E VTmag	0.058	Prox	633	TYC	T	HIP
CCDM		RAdeg	308.37649778	DEdeg	47.03164028	EpRA 1990	1.71
EpDE 1990	1.86	E RAdeg	45.0	E DEdeg	48.9	Posflg
Corr	0.1

20335+4702 B

Componente originario normalizzato	AB		Coord arcsec 2000	203329.93+470159.1		Mag	13		Calc delta mag	2.24
Calc coord	yes