20301+2509 BKO 589

20^h 30^m 08.88^s +25° 08' 31.1" P.A. 84.00 sep 5.2 mag 11.10,12.80

Coord 2000	20301+2509	Discov num	BKO 589	Comp		Coord arcsec 2000	20 30 08.88 +25 08 31.1
Date first	1997	Date last	2015	Obs	9
Pa first	83	Pa last	83.6	P.A. Now (θ)	83.6°
Sep first	5.3	Sep last	5.249	Sep. Now (ρ)	5.249"
Mag pri	11.10	Mag sec	12.80	delta mag (ΔM)	1.7	Spectral class
Pri motion ra	+004	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2160-00403-1

Gaia DR2

1831774865663196928

340500

WDS 20301+2509 BKO 589 : 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
20301+2509	BKO 589		2008	2	85	5.0	11.10	12.80		D	203008.88+250831.1
20301+2509	BKO 589		2010	5	83	5.0	11.10	12.80			203008.88+250831.1
20301+2509	BKO 589		2015	6	84	5.2	11.10	12.80			203008.88+250831.1

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

WDS 20301+2509 BKO 589 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20301+2509 BKO 589 : MEASURES

No records found.

WDS 20301+2509 : VIRTUAL EYEPIECE

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

WDS 20301+2509 : ALADIN DSS IMAGE @ 20^h 30^m 08.88^s +25° 08' 31.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20301+2509 BKO 589 : 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		20301+2509	BKO 589		84	5.2
Show		20302+2506	POU4536		110	6.4	3
Show		20298+2507	BKO 586		287	4.6	6
Show		20298+2504	POU4531		212	8.2	7
Show		20305+2517	POU4541		73	13.1	10
Show		20294+2514	POU4527		208	13.8	12
Show		20311+2514	POU4554		72	5.9	15
Show		20299+2453	POU4532		195	17.5	16
Show		20313+2500	POU4557		312	11.5	18
Show		20311+2455	POU4550		284	14.0	18
Show		20292+2521	TDT2318	AB	20	2.6	19
Show		20292+2521	POU4525	AC	2	12.5	19
Show		20317+2510	POU4572		350	12.9	21
Show		20291+2453	POU4523		140	16.8	21
Show		20317+2512	BKO 452		318	5.2	22
Show		20291+2452	POU4522		165	12.8	22
Show		20318+2511	BKO 453		3	5.4	23
Show		20317+2520	POU4571		15	4.8	25
Show		20299+2445	BKO 587		220	4.3	25
Show		20299+2444	BKO 588		213	1.1	25
Show		20301+2443	BKO 590		225	9.0	26
Show		20282+2507	BKO 577		209	8.6	27
Show		20297+2442	POU4529		261	10.6	28
Show		20303+2441	POU4537		319	16.7	28
Show		20319+2454	POU4576		257	12.7	28
Show		20281+2510	POU4514		93	17.0	29
Show		20322+2517	POU4585		19	13.0	29
Show		20280+2508	POU4513		39	7.2	29
Show		20312+2442	POU4555		218	7.9	30
Show		20280+2503	POU4510		356	13.9	30
Show		20324+2512	POU4591		278	12.9	31
Show		20300+2438	POU4534		346	14.6	31
Show		20280+2456	POU4512		268	13.4	32
Show		20325+2508	POU4595		54	7.1	32
Show		20293+2437	BKO 583		137	6.9	34
Show		20326+2506	BKO 455		320	1.9	34
Show		20327+2505	POU4603		351	5.3	35
Show		20294+2435	BKO 584		266	5.4	35
Show		20276+2502	BKO 575		349	3.7	35
Show		20328+2512	POU4607		65	11.7	36
Show		20321+2445	POU4582		88	5.8	36
Show		20277+2454	POU4504		67	15.7	36
Show		20289+2436	BKO 578	BC	260	1.3	37
Show		20328+2459	POU4608		120	15.9	37
Show		20289+2436	BKO 578	AB	355	4.2	37
Show		20274+2510	POU4503		283	18.1	38
Show		20291+2433	POU4521	AB	327	6.5	39
Show		20291+2433	BKO 581	AC	180	3.9	39
Show		20331+2506	POU4623	AB	131	11.8	40
Show		20331+2506	BKO 456	AC	59	9.6	40
Show		20328+2452	POU4610		105	16.5	40

WDS 20301+2509 : COMPONENTS

	A
B	pa=82.9° sep=4.76"

20301+2509 A

Componente originario normalizzato	AB		Coord arcsec 2000	203008.88+250831.1		Mag	11.1		PmRA	4.00
PmDE	-1.0		Tycho2	2160-00403-1		HD	340500

Tycho2

Tycho2	2160-00403-1	Pflag		RAmdeg	307.53705365	DEmdeg	25.14197138
PmRA	6.1	PmDE	-5.0	E RAmdeg	39	E DEmdeg	31
E pmRA	2.0	E pmDE	2.0	EpRAm	1986.94	EpDEm	1985.71
Num	3	Q RAmdeg	4.2	Q DEmdeg	0.7	Q pmRA	4.3
Q pmDE	0.8	BTmag	11.351	E BTmag	0.064	VTmag	10.984
E VTmag	0.072	Prox	999	TYC	T	HIP
CCDM		RAdeg	307.53702083	DEdeg	25.14198861	EpRA 1990	1.62
EpDE 1990	1.64	E RAdeg	41.8	E DEdeg	43.2	Posflg
Corr	0.0

20301+2509 B

Componente originario normalizzato	AB		Coord arcsec 2000	203009.23+250831.7		Mag	12.8		Calc delta mag	1.7
Calc coord	yes