20587+3922 BKO 478

20^h 58^m 40.89^s +39° 22' 25.0" P.A. 75.00 sep 7.9 mag 11.10,13.50

Coord 2000	20587+3922	Discov num	BKO 478	Comp		Coord arcsec 2000	20 58 40.89 +39 22 25.0
Date first	1998	Date last	2015	Obs	7
Pa first	74	Pa last	74.6	P.A. Now (θ)	74.6°
Sep first	7.9	Sep last	7.893	Sep. Now (ρ)	7.893"
Mag pri	11.10	Mag sec	13.50	delta mag (ΔM)	2.4	Spectral class
Pri motion ra	+004	Sec motion ra	+011
Pri motion dec	+003	Sec motion dec	+013
Notes

rPM=0.717

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3167-02307-1

Gaia DR2

1873012388559746304

WDS 20587+3922 BKO 478 : 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
20587+3922	BKO 478		2008	1	73	8.5	11.10	13.50			205840.89+392225.0
20587+3922	BKO 478		2015	4	75	7.9	11.10	13.50			205840.89+392225.0

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

WDS 20587+3922 BKO 478 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20587+3922 BKO 478 : MEASURES

No records found.

WDS 20587+3922 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20587+3922 : ALADIN DSS IMAGE @ 20^h 58^m 40.89^s +39° 22' 25.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20587+3922 BKO 478 : 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		20587+3922	BKO 478		75	7.9	1
Show		20593+3925	SEI1353		113	17.5	8
Show		20593+3924	TOB 207		228	22.0	8
Show		20580+3918	ES 1985	AB	276	8.4	8
Show		20580+3918	SEI1338	AC	277	32.7	8
Show		20580+3918	BKO 476	BD	246	6.0	8
Show		20589+3931	SEI1348		295	26.4	10
Show		20578+3923	BKO 475		265	5.5	10
Show		20595+3923	SEI1357		93	14.4	10
Show		20591+3932	TOB 205		203	14.5	11
Show		20577+3926	SEI1334		106	16.9	12
Show		20572+3920	BKO 474		24	3.3	18
Show		20571+3920	BKO 473		34	5.4	19
Show		20587+3942	BKO 477		8	7.6	19
Show		20583+3904	SEI1340		199	10.2	20
Show		20569+3922	SEI1326		14	26.6	21
Show		20592+3941	SEI1351	AB	256	17.5	21
Show		20592+3941	TOB 206	AC	71	38.4	21
Show		20591+3944	BKO 480		236	11.1	23
Show		20590+3945	SEI1349		160	27.9	24
Show		20592+3946	BKO 481		204	11.5	25
Show		20586+3856	SEI1341		209	29.5	27
Show		20566+3932	SEI1325		140	27.8	27
Show		20577+3943	COU2429		209	0.8	28
Show		20591+3950	BKO 479		9	12.4	28
Show		21008+3940	SEI1364		114	12.1	30
Show		20559+3921	MLB 958		169	5.3	32
Show		20559+3922	MLB 957		134	2.8	33
Show		20596+3953	SEI1358		273	30.9	34
Show		21009+3900	SEI1365		263	18.4	34
Show		20566+3858	A 1436		52	0.6	35
Show		20588+3957	TDT2670		6	0.5	35
Show		20577+3849	SEI1332		64	9.1	35
Show		20556+3912	SEI1319		70	32.1	37
Show		20577+3848	ES 2056		76	2.6	37
Show		20556+3911	MLB 784		25	4.6	38
Show		20562+3900	ES 2055		293	7.6	38
Show		21018+3916	STF2746		323	1.2	38
Show		20558+3905	MLB 956		115	5.0	38
Show		20555+3932	BKO 472		67	5.7	39
Show		21012+3949	SEI1369		309	4.5	39
Show		20577+3845	DAM 222		290	6.3	39
Show		20555+3909	MLB 887		246	10.4	40
Show		20554+3910	ES 1984		115	3.5	40
Show		21020+3914	LV 9		195	2.3	40
Show		21014+3948	SEI1370		141	20.7	41
Show		20555+3940	MLB 783		288	5.6	41
Show		20552+3915	MLB 782	AB	344	10.3	41
Show		20552+3915	SEI1313	AC	260	26.9	41
Show		20556+3901	HJ 1596		295	18.2	42
Show		20554+3907	TDT2629		163	2.5	42

WDS 20587+3922 : COMPONENTS

	A
B	pa=70.4° sep=6.24"

20587+3922 A

Componente originario normalizzato	AB		Coord arcsec 2000	205840.89+392225.0		Mag	11.1		PmRA	4.00
PmDE	3.0		Tycho2	3167-02307-1

Tycho2

Tycho2	3167-02307-1	Pflag		RAmdeg	314.67037172	DEmdeg	39.37362705
PmRA	4.5	PmDE	4.3	E RAmdeg	28	E DEmdeg	26
E pmRA	1.1	E pmDE	1.0	EpRAm	1980.99	EpDEm	1981.36
Num	10	Q RAmdeg	1.5	Q DEmdeg	1.6	Q pmRA	1.5
Q pmDE	1.7	BTmag	11.347	E BTmag	0.054	VTmag	11.183
E VTmag	0.069	Prox	999	TYC	T	HIP
CCDM		RAdeg	314.67033583	DEdeg	39.37360278	EpRA 1990	1.60
EpDE 1990	1.73	E RAdeg	37.9	E DEdeg	34.5	Posflg
Corr	0.0

20587+3922 B

Componente originario normalizzato	AB		Coord arcsec 2000	205841.40+392227.1		Mag	13.5		PmRA	11.00
PmDE	13.0		Calc delta mag	2.4		Calc coord	yes