20205+2353 BKO 645 AC

20^h 20^m 32.36^s +23° 52' 30.0" P.A. 229.00 sep 5.7 mag 11.92,16.00

Coord 2000	20205+2353	Discov num	BKO 645	Comp	AC	Coord arcsec 2000	20 20 32.36 +23 52 30.0
Date first	2000	Date last	2015	Obs	6
Pa first	230	Pa last	228.6	P.A. Now (θ)	228.6°
Sep first	6.0	Sep last	5.709	Sep. Now (ρ)	5.709"
Mag pri	11.92	Mag sec	16.00	delta mag (ΔM)	4.08	Spectral class
Pri motion ra	-004	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes

Nature of this double is uncertain.

20205+2353 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 20 32 +23 52 30	POU 4383 AB	2015	9	122	6.9	11.92	13.20	1.28
Show			20 20 32 +23 52 30	BKO 645 AC	2015	6	229	5.7	11.92	16.00	4.08		<===
Show			20 20 32 +23 52 30	BKO 645 AD	2015	8	45	11.8	11.92	14.70	2.78

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2155-00893-1

Gaia DR2

1831873375044032000

WDS 20205+2353 BKO 645 AC : 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
Pou1933	Pa -	Pourteau, M. A.	.
Pou1933		Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933
Pou1933		(Obs. de Paris, H. Tessier) [QB821.P7]

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20205+2353	BKO 645	AC	2008	1	230	5.3	11.90	14.00			202032.36+235230.0
20205+2353	BKO 645	AC	2015	3	229	5.9	11.92	16.00			202032.36+235230.0

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

WDS 20205+2353 BKO 645 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20205+2353 BKO 645 AC : MEASURES

No records found.

WDS 20205+2353 : 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 20205+2353 : ALADIN DSS IMAGE @ 20^h 20^m 32.36^s +23° 52' 30.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20205+2353 BKO 645 AC : 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		20205+2353	POU4383	AB	122	6.9
Show		20205+2353	BKO 645	AC	229	5.7
Show		20205+2353	BKO 645	AD	45	11.8
Show		20207+2353	BKO 646		146	6.1	3
Show		20203+2350	BKO 643		147	2.5	4
Show		20202+2351	BKO 642		31	8.5	6
Show		20205+2342	POU4384		12	11.4	11
Show		20207+2341	POU4388		159	10.6	12
Show		20199+2402	POU4375		31	7.6	13
Show		20216+2346	STF2672		350	0.6	17
Show		20205+2334	POU4381		160	18.5	19
Show		20219+2356	BKO 440		217	4.4	20
Show		20201+2334	BKO 641		98	8.0	20
Show		20219+2355	POU4404		254	15.2	20
Show		20197+2408	BKO 640		356	10.3	21
Show		20195+2337	POU4367		210	11.3	21
Show		20200+2413	POU4376		177	13.1	22
Show		20203+2331	BKO 644		280	5.6	23
Show		20191+2341	POU4360		255	8.9	23
Show		20199+2332	POU4374		111	5.0	23
Show		20217+2337	POU4398		229	18.1	23
Show		20221+2357	POU4405		46	1.7	23
Show		20189+2351	POU4358		150	18.2	24
Show		20222+2352	POU4406		12	4.8	24
Show		20218+2337	POU4401		154	17.6	24
Show		20205+2329	POU4385		52	5.8	24
Show		20191+2338	BKO 639		323	9.9	25
Show		20223+2354	POU4410		117	3.5	25
Show		20189+2339	POU4359		354	12.9	27
Show		20205+2326	POU4382		284	12.7	27
Show		20206+2421	POU4386		285	5.7	29
Show		20225+2346	POU4415		87	9.6	29
Show		20193+2417	POU4362		179	20.6	30
Show		20201+2421	POU4377		192	15.1	30
Show		20212+2324	POU4390		127	8.3	30
Show		20196+2325	POU4371		318	11.1	30
Show		20217+2328	POU4396		339	15.2	30
Show		20217+2327	POU4397		31	12.3	31
Show		20203+2321	POU4380		277	12.9	32
Show		20212+2320	POU4391		252	11.4	32
Show		20229+2355	POU4420		23	7.2	33
Show		20219+2327	POU4402		80	12.5	33
Show		20201+2424	HJ 2952		282	20.6	33
Show		20224+2333	POU4412		79	13.1	33
Show		20229+2357	POU4423		55	8.1	34
Show		20228+2340	POU4417		209	14.1	34
Show		20194+2323	POU4365		104	18.7	34
Show		20222+2328	POU4407		167	10.4	34
Show		20182+2342	POU4346		293	16.7	35
Show		20227+2334	POU4416		172	6.1	36
Show		20230+2405	POU4425		324	15.3	36

WDS 20205+2353 : COMPONENTS

	A	B	C
B	pa=123.8° sep=6.47"
C	pa=226.0° sep=5.44"	pa=268.9° sep=9.29"
D	pa=42.1° sep=11.32"	pa=10.5° sep=12.20"	pa=43.4° sep=16.75"

20205+2353 A

Coord arcsec 2000	202032.36+235230.0		Mag	11.92		PmRA	-4.00		PmDE	-4.0
Tycho2	2155-00893-1

Tycho2

Tycho2	2155-00893-1	Pflag		RAmdeg	305.13486471	DEmdeg	23.87501028
PmRA	-3.8	PmDE	-6.1	E RAmdeg	60	E DEmdeg	55
E pmRA	1.4	E pmDE	1.4	EpRAm	1966.18	EpDEm	1969.64
Num	4	Q RAmdeg	0.9	Q DEmdeg	0.8	Q pmRA	0.9
Q pmDE	0.8	BTmag	12.065	E BTmag	0.106	VTmag	11.917
E VTmag	0.146	Prox	999	TYC		HIP
CCDM		RAdeg	305.13487500	DEdeg	23.87502444	EpRA 1990	1.56
EpDE 1990	1.63	E RAdeg	69.6	E DEdeg	62.9	Posflg
Corr	-0.1

20205+2353 B

Coord arcsec 2000	202032.75+235226.4		Mag	13.2		PmRA	16.00		PmDE	-10.0
Calc delta mag	1.28		Calc coord	yes

20205+2353 C

Coord arcsec 2000

202032.07+235226.2

Mag

Calc delta mag

4.08

Calc coord

yes

20205+2353 D

Coord arcsec 2000	202032.91+235238.4		Mag	14.7		PmRA	12.00		PmDE	26.0
Calc delta mag	2.78		Calc coord	yes