20397+2421 BKO 616

20^h 39^m 41.54^s +24° 20' 47.6" P.A. 198.00 sep 3.7 mag 12.57,14.00

Coord 2000	20397+2421	Discov num	BKO 616	Comp		Coord arcsec 2000	20 39 41.54 +24 20 47.6
Date first	2008	Date last	2008	Obs	1
Pa first	198	Pa last	197.9	P.A. Now (θ)	197.9°
Sep first	3.7	Sep last	3.68	Sep. Now (ρ)	3.68"
Mag pri	12.57	Mag sec	14.00	delta mag (ΔM)	1.43	Spectral class
Pri motion ra	+018	Sec motion ra
Pri motion dec	+054	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1843404056553218944

WDS 20397+2421 BKO 616 : 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
20397+2421	BKO 616		2008	1	198	3.7	12.57	14.00			203941.54+242047.6

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WDS 20397+2421 BKO 616 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20397+2421 BKO 616 : MEASURES

No records found.

WDS 20397+2421 : VIRTUAL EYEPIECE

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

WDS 20397+2421 : ALADIN DSS IMAGE @ 20^h 39^m 41.54^s +24° 20' 47.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20397+2421 BKO 616 : 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		20397+2421	BKO 616		198	3.7	1
Show		20397+2419	POU4818		303	14.8	2
Show		20398+2417	BKO 618		314	9.1	4
Show		20400+2417	POU4831		190	8.5	5
Show		20396+2417	POU4810		224	11.6	5
Show		20402+2418	POU4837		210	16.8	8
Show		20404+2422	POU4842		129	13.2	9
Show		20398+2410	POU4823		75	14.0	11
Show		20404+2425	POU4847		55	21.5	12
Show		20390+2409	POU4789		193	3.1	17
Show		20410+2419	POU4856		145	12.4	17
Show		20393+2437	POU4804		336	4.4	17
Show		20400+2405	A 2794		160	1.7	17
Show		20396+2403	POU4816		195	10.6	18
Show		20393+2404	POU4803		87	4.3	18
Show		20398+2439	POU4824		232	11.7	19
Show		20411+2419	POU4860		206	18.6	19
Show		20384+2427	POU4772		105	7.9	19
Show		20389+2405	BKO 610		326	5.4	20
Show		20411+2426	POU4863		278	11.8	20
Show		20411+2414	POU4861		98	3.0	20
Show		20383+2429	BKO 606		238	3.2	21
Show		20385+2409	POU4777		267	16.5	21
Show		20381+2416	GRV 366		165	29.7	22
Show		20384+2433	BKO 607		207	6.4	22
Show		20404+2401	POU4844		101	15.7	23
Show		20383+2411	POU4768		347	12.6	23
Show		20395+2444	POU4813		41	16.9	24
Show		20388+2441	POU4788	AB	201	11.2	24
Show		20388+2441	POU4787	AC	135	15.3	24
Show		20412+2433	BKO 624		197	3.3	24
Show		20382+2435	POU4769		315	14.6	25
Show		20413+2430	POU4870	AB	146	17.6	25
Show		20413+2430	BKO 625	BC	169	10.7	25
Show		20403+2357	POU4841	AB	348	12.9	26
Show		20403+2357	BKO 620	AC	334	7.2	26
Show		20398+2446	POU4826		20	5.6	26
Show		20416+2424	POU4872		268	6.4	26
Show		20402+2356	POU4836	AB	46	16.3	26
Show		20402+2356	BKO 619	AC	1	10.2	26
Show		20398+2447	POU4828		343	18.1	27
Show		20389+2445	POU4792		335	4.5	27
Show		20400+2350	POU4832		27	16.5	27
Show		20386+2358	POU4779	AB	65	16.9	28
Show		20386+2358	POU4780	AC	40	21.0	28
Show		20389+2446	POU4791		63	7.1	28
Show		20393+2354	BKO 613		134	3.7	28
Show		20381+2403	POU4761		326	15.1	29
Show		20410+2443	POU4858		142	18.0	29
Show		20382+2400	BKO 605		38	5.5	29
Show		20396+2352	POU4814	AB	21	15.9	29

WDS 20397+2421 : COMPONENTS

	A
B	pa=196.4° sep=3.65"

20397+2421 A

Componente originario normalizzato	AB		Coord arcsec 2000	203941.54+242047.6		Mag	12.57		PmRA	18.00
PmDE	54.0

20397+2421 B

Componente originario normalizzato	AB		Coord arcsec 2000	203941.46+242044.1		Mag	14		Calc delta mag	1.43
Calc coord	yes