20349+4651 STTA 208 AB (HD 196331)

20^h 34^m 51.07^s +46° 50' 51.3" P.A. 241.00 sep 83.5 mag 7.85,8.56 Sp K0

Coord 2000	20349+4651	Discov num	STTA208	Comp	AB	Coord arcsec 2000	20 34 51.07 +46 50 51.3
Date first	1876	Date last	2015	Obs	27
Pa first	241	Pa last	240.9	P.A. Now (θ)	240.9°
Sep first	76.4	Sep last	83.511	Sep. Now (ρ)	83.511"
Mag pri	7.85	Mag sec	8.56	delta mag (ΔM)	0.71	Spectral class	K0 (yellow-orange)
Pri motion ra	+061	Sec motion ra	+010
Pri motion dec	+023	Sec motion dec	+005
Notes	N (See Notes)

rPM=0.83

This double is not physical.

20349+4651 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 196331	49830	20 34 51 +46 50 51	STTA 208 AB	2015	27	241	83.5	7.85	8.56	0.71		<===
Show		49830	20 34 51 +46 50 51	BKO 156 AC	2015	9	98	45.9	7.85	13.45	5.60

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 196331		Constellation	Cygnus		SAO	49830		Tycho2	3573-01586-1
Gaia DR2	2071522826348353536		HD	196331

WDS 20349+4651 STTA 208 AB (HD 196331) : NOTES

discov_num	notes	refcode
STTA208	B is BD+46@2982.
	Pair appears in an appendix list, not part of discoverer's regular
	numbering sequence.

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
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		cited in ADS (Aitken Double Star Cat., 1932)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20349+4651	STTA208	AB	2005	21	240	82.0	7.85	8.56	K0	NOD	203451.07+465051.3
20349+4651	STTA208	AB	2013	23	241	82.7	7.85	8.56	K0	N	203451.07+465051.3
20349+4651	STTA208	AB	2015	24	241	83.5	7.85	8.56	K0	N	203451.07+465051.3

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

WDS 20349+4651 STTA 208 AB (HD 196331) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20349+4651 STTA 208 AB (HD 196331) : MEASURES

No records found.

WDS 20349+4651 (HD 196331) : 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 20349+4651 (HD 196331) : ALADIN DSS IMAGE @ 20^h 34^m 51.07^s +46° 50' 51.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20349+4651 STTA 208 AB (HD 196331) : 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		20349+4651	STTA208	AB	241	83.5
Show		20349+4651	BKO 156	AC	98	45.9
Show		20352+4651	MZA 30	AB	140	22.5	4
Show		20352+4651	MZA 30	AC	115	14.2	4
Show		20352+4651	MZA 30	AD	132	23.8	4
Show		20352+4651	MZA 30	AE	123	17.4	4
Show		20352+4651	MZA 30	AF	106	12.3	4
Show		20353+4650	MZA 37	AB	319	6.1	5
Show		20353+4650	MZA 37	AC	319	11.1	5
Show		20339+4642	HDS2940	Aa,Ab	46	0.3	14
Show		20339+4642	BU 1489	AB	16	116.5	14
Show		20328+4646	POP 156		4	3.2	18
Show		20335+4702	BKO 155		310	8.2	18
Show		20335+4703	A 738	AB	249	2.4	19
Show		20335+4703	HJ 1541	AC	266	6.3	19
Show		20335+4703	SS 9	AD	198	18.0	19
Show		20335+4703	SS 9	AE	54	20.7	19
Show		20335+4703	SS 9	AF	117	26.0	19
Show		20335+4703	SS 9	AG	176	27.6	19
Show		20335+4703	SS 9	AH	15	29.2	19
Show		20335+4703	HJ 1541	BC	276	4.0	19
Show		20325+4644	GII 101		289	0.4	25
Show		20329+4636	KRV 41		172	19.6	25
Show		20322+4648	A 736	AB	349	0.6	28
Show		20322+4648	DAM 636	AC	106	17.0	28
Show		20326+4635	ES 664		55	9.0	29
Show		20336+4719	ES 665		129	5.7	31
Show		20379+4710	TDT2436		82	0.6	37
Show		20388+4629	BRT2268		320	3.4	47
Show		20304+4634	ES 663		110	5.0	50
Show		20361+4745	HJ 1549		55	5.5	56
Show		20360+4555	STJ 103		338	1.3	57
Show		20397+4721	A 748		27	1.4	59
Show		20334+4752	J 4		1	2.6	63
Show		20389+4741	A 746		150	2.0	66
Show		20397+4734	A 747	AB	104	0.3	66
Show		20397+4734	ES 90	AB,C	141	7.1	66
Show		20379+4757	HDS2944	Ca,Cb	29	0.4	72
Show		20338+4540	A 740		313	0.8	72
Show		20379+4757	STF2707	AB	29	21.8	73
Show		20379+4757	STF2707	AC	195	55.3	73
Show		20379+4757	ES 2697	AD	192	17.5	73
Show		20379+4757	GUI 33	BC	199	76.6	73
Show		20341+4804	YSC 116		270	0.2	74
Show		20300+4556	LSC 91		19	0.3	75
Show		20317+4540	HJ 1533		187	10.9	77
Show		20287+4737	GRF 17		102	160.1	78
Show		20348+4531	ES 805		152	7.9	81
Show		20383+4804	ES 89	AB	209	21.5	82
Show		20389+4803	CNT 7		82	3.5	83
Show		20269+4636	KPP4199		284	1.5	84

WDS 20349+4651 : COMPONENTS

	A	B
B	pa=230.9° sep=64.35"
C	pa=102.0° sep=31.76"	pa=67.2° sep=87.82"

20349+4651 A

Name	HD 196331	Coord arcsec 2000	203451.07+465051.3	Mag	7.85	Spectral class	K0 (yellow-orange)
PmRA	61.00	PmDE	23.0	SAO	49830	Tycho2	3573-01586-1
HD	196331	DM	BD+46 2983

Tycho2

Tycho2	3573-01586-1	Pflag		RAmdeg	308.71282693	DEmdeg	46.84759348
PmRA	61.0	PmDE	23.4	E RAmdeg	6	E DEmdeg	6
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.15	EpDEm	1991.30
Num	9	Q RAmdeg	1.7	Q DEmdeg	2.3	Q pmRA	1.7
Q pmDE	2.5	BTmag	8.924	E BTmag	0.017	VTmag	7.846
E VTmag	0.011	Prox	823	TYC	T	HIP
CCDM		RAdeg	308.71261917	DEdeg	46.84754028	EpRA 1990	1.63
EpDE 1990	1.76	E RAdeg	5.8	E DEdeg	5.7	Posflg
Corr	0.1

SAO

SAO	49830	DelFlag		RA1950		PmRA1950	0.005
DE1950		PmDE1950	0.035	Vmag	8	SpType	K0
Double code		Source	3	CatNum	1664	DM	BD+46 2983
DMcomp		BDsup		HD	196331	M HD	0
GC		RA1950rad	5.38089393	DE1950rad	0.8146155	PmRA2000	0.0054
PmDE2000	0.033

20349+4651 B

Coord arcsec 2000	203446.21+465010.7		Mag	8.56		PmRA	10.00		PmDE	5.0
Calc delta mag	0.71		Calc coord	yes

20349+4651 C

Coord arcsec 2000

203454.10+465044.7

Mag

13.45

Calc delta mag

5.6

Calc coord

yes