20516+2440 BKO 879

20^h 51^m 37.41^s +24° 40' 19.3" P.A. 158.00 sep 5.1 mag 12.30,12.30

Coord 2000	20516+2440	Discov num	BKO 879	Comp		Coord arcsec 2000	20 51 37.41 +24 40 19.3
Date first	1999	Date last	2015	Obs	8
Pa first	158	Pa last	158.4	P.A. Now (θ)	158.4°
Sep first	5.0	Sep last	5.108	Sep. Now (ρ)	5.108"
Mag pri	12.30	Mag sec	12.30	delta mag (ΔM)	0	Spectral class
Pri motion ra	+006	Sec motion ra	+006
Pri motion dec	+075	Sec motion dec	+004
Notes

rPM=0.944

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2175-01949-1

Gaia DR2

1842922470457528064

WDS 20516+2440 BKO 879 : 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
20516+2440	BKO 879		2009	1	158	5.2	12.30	12.30			205137.41+244019.3
20516+2440	BKO 879		2015	5	158	5.1	12.30	12.30			205137.41+244019.3

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

WDS 20516+2440 BKO 879 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20516+2440 BKO 879 : MEASURES

No records found.

WDS 20516+2440 : 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 20516+2440 : ALADIN DSS IMAGE @ 20^h 51^m 37.41^s +24° 40' 19.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20516+2440 BKO 879 : 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		20516+2440	BKO 879		158	5.1
Show		20515+2444	POU5048	AB	304	8.4	5
Show		20515+2444	BKO 878	BC	230	7.4	5
Show		20516+2429	POU5049		107	14.7	13
Show		20516+2426	BKO 880		216	6.1	15
Show		20513+2426	BKO 877	AB	276	5.5	15
Show		20511+2457	POU5044		314	12.9	19
Show		20529+2453	POU5053		185	14.3	22
Show		20499+2454	POU5035		54	9.8	28
Show		20496+2444	POU5027		179	14.2	28
Show		20518+2509	POU5050		326	18.5	29
Show		20499+2456	BKO 870		235	8.3	29
Show		20499+2422	POU5033		279	7.1	30
Show		20493+2440	BKO 867		349	4.6	32
Show		20513+2511	POU5045		314	13.7	32
Show		20503+2507	POU5039		84	10.8	33
Show		20532+2508	POU5054		315	10.5	34
Show		20491+2442	BKO 866		114	2.3	35
Show		20506+2512	POU5041		177	14.2	36
Show		20543+2441	POU5055		202	9.2	36
Show		20490+2439	POU5018		282	23.1	36
Show		20499+2412	POU5031	AB	320	17.8	37
Show		20499+2412	POU5032	AC	311	16.4	37
Show		20500+2412	BKO 875		167	4.5	37
Show		20497+2507	BKO 868		276	9.7	37
Show		20499+2508	POU5030		343	4.5	38
Show		20501+2512	POU5038		342	16.2	39
Show		20499+2510	POU5029		20	12.3	39
Show		20487+2442	BKO 863		277	4.3	40
Show		20488+2446	POU5013		354	14.7	40
Show		20499+2408	BKO 871		266	11.4	41
Show		20488+2449	POU5010		222	3.3	41
Show		20488+2427	POU5014		141	13.2	41
Show		20499+2407	BKO 872		93	11.8	41
Show		20486+2444	BKO 860		300	8.6	42
Show		20503+2518	POU5040		290	18.9	42
Show		20492+2504	POU5020		68	4.0	42
Show		20490+2504	BKO 864		313	9.1	43
Show		20525+2522	POU5052		323	15.8	43
Show		20485+2444	POU5007		160	3.6	44
Show		20486+2428	POU5009	AB	183	14.8	45
Show		20486+2428	BKO 861	BC	225	2.0	45
Show		20549+2434	POU5058		357	11.6	45
Show		20491+2509	BKO 865		101	8.9	45
Show		20492+2510	POU5021		355	6.0	45
Show		20500+2508	BKO 874		254	12.5	45
Show		20500+2401	NSN 795		225	4.8	46
Show		20484+2422	POU5005		62	13.9	46
Show		20496+2404	POU5026		92	17.0	46
Show		20499+2402	POU5034		127	4.4	46
Show		20499+2401	BKO 873		292	11.7	46

WDS 20516+2440 : COMPONENTS

	A
B	pa=160.2° sep=5.05"

20516+2440 A

Componente originario normalizzato	AB		Coord arcsec 2000	205137.41+244019.3		Mag	12.3		PmRA	6.00
PmDE	75.0		Tycho2	2175-01949-1

Tycho2

Tycho2	2175-01949-1	Pflag		RAmdeg	312.90425339	DEmdeg	24.66474911
PmRA	-0.7	PmDE	-7.3	E RAmdeg	52	E DEmdeg	68
E pmRA	1.8	E pmDE	1.9	EpRAm	1982.27	EpDEm	1975.31
Num	3	Q RAmdeg	0.9	Q DEmdeg	1.6	Q pmRA	0.9
Q pmDE	1.6	BTmag	11.996	E BTmag	0.116	VTmag	11.460
E VTmag	0.104	Prox	999	TYC		HIP
CCDM		RAdeg	312.90425500	DEdeg	24.66476667	EpRA 1990	1.62
EpDE 1990	1.31	E RAdeg	55.3	E DEdeg	74.2	Posflg
Corr	0.0

20516+2440 B

Componente originario normalizzato	AB		Coord arcsec 2000	205137.54+244014.6		Mag	12.3		PmRA	6.00
PmDE	4.0		Calc coord	yes