19402+6030 STF 2573 (HD 186340)

19^h 40^m 13.20^s +60° 30' 25.6" P.A. 26.00 sep 18.2 mag 6.51,8.91 Sp A5V dist. 155.52 pc (507.31 l.y.)

Coord 2000	19402+6030	Discov num	STF2573	Comp		Coord arcsec 2000	19 40 13.20 +60 30 25.6
Date first	1831	Date last	2019	Obs	50
Pa first	28	Pa last	25.5	P.A. Now (θ)	25.5°
Sep first	20.0	Sep last	18.185	Sep. Now (ρ)	18.185"
Mag pri	6.51	Mag sec	8.91	delta mag (ΔM)	2.4	Spectral class	A5V (white)
Pri motion ra	+004	Sec motion ra	+005
Pri motion dec	-009	Sec motion dec	-008
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.144 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 186340	Constellation	Draco	SAO	18461	HIP	96771
Tycho2	4230-01061-1	Gaia DR2	2239087917378393856	HD	186340	HR	7500
GC	27252	ADS	12789	BD	BD+60 1991	Distance	155.52
Distance ly	507.31

WDS 19402+6030 STF 2573 (HD 186340) : NOTES

discov_num	notes	refcode
STF2573	B is BD+60@1992.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19402+6030	STF2573		2006	35	25	18.0	6.51	8.91	A5V	N D	194013.20+603025.6
19402+6030	STF2573		2009	36	27	17.8	6.51	8.91	A5V	N D	194013.20+603025.6
19402+6030	STF2573		2010	39	26	18.1	6.51	8.91	A5V	N D	194013.20+603025.6
19402+6030	STF2573		2012	41	27	18.2	6.51	8.91	A5V	N D	194013.20+603025.6
19402+6030	STF2573		2014	42	26	18.2	6.51	8.91	A5V	N D	194013.20+603025.6
19402+6030	STF2573		2015	43	26	18.1	6.51	8.91	A5V	N	194013.20+603025.6
19402+6030	STF2573		2017	45	27	18.3	6.51	8.91	A5V	N	194013.20+603025.6
19402+6030	STF2573		2018	47	27	18.1	6.51	8.91	A5V	N	194013.20+603025.6
19402+6030	STF2573		2019	49	26	18.2	6.51	8.91	A5V	NT	194013.20+603025.6

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

WDS 19402+6030 STF 2573 (HD 186340) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19402+6030 STF 2573 (HD 186340) : MEASURES

No records found.

WDS 19402+6030 (HD 186340) : 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 19402+6030 (HD 186340) : ALADIN DSS IMAGE @ 19^h 40^m 13.20^s +60° 30' 25.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19402+6030 STF 2573 (HD 186340) : 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		19402+6030	STF2573		26	18.2
Show		19394+6001	STI 908		24	12.1	31
Show		19372+6053	KPP4162		149	3.6	32
Show		19413+5959	TDT1635		96	0.8	33
Show		19429+6103	STI 911		154	7.8	39
Show		19411+5945	STI 910		155	10.7	46
Show		19363+5956	MLB 81		180	6.9	46
Show		19340+6017	STF2554		194	18.6	49
Show		19445+5948	TDT1694		289	0.5	53
Show		19372+5942	TDT1585		233	0.5	54
Show		19458+5957	LDS2780	AB	153	10.2	54
Show		19458+5957	UC 4020	AC	106	35.7	54
Show		19357+5948	HJ 2889		164	12.4	55
Show		19477+6034	STI 921		298	15.5	56
Show		19342+6104	FOX 88		23	0.7	56
Show		19332+6010	STFA 44		287	75.8	57
Show		19435+5939	STI 912		210	11.4	57
Show		19335+6002	A 715		356	0.5	58
Show		19388+6129	LDS2775		135	4.7	61
Show		19481+6059	STI 924		160	10.0	65
Show		19476+6109	ES 130		58	2.8	67
Show		19479+6113	HJ 2905		179	6.8	71
Show		19477+6123	STI 922		235	15.2	76
Show		19475+6125	ES 1849		157	3.9	76
Show		19321+5946	LDS2771		334	1.4	77
Show		19446+5920	STI 914		112	2.1	79
Show		19315+5945	LDS2770		37	35.7	80
Show		19295+6040	LDS2767	AB	186	106.9	80
Show		19391+6153	LDS2776		123	4.3	83
Show		19410+5907	KPP4166		241	2.0	85
Show		19397+6158	TDT1611		211	1.8	88
Show		19483+5925	LAF 61	AB	326	5.5	89
Show		19483+5925	LAF 61	AC	277	7.9	89
Show		19483+5925	LAF 61	AD	277	8.0	89
Show		19483+5925	LAF 61	AE	118	13.1	89
Show		19483+5925	LAF 61	AF	322	13.2	89
Show		19483+5925	LAF 61	AG	311	15.0	89
Show		19378+5900	LDS2774		209	24.8	92
Show		19288+5954	TDT1484		6	1.5	93
Show		19479+6145	STI 925		2	4.2	94
Show		19526+6037	STI 933		214	5.9	94
Show		19449+6158	STI 917		245	11.6	94
Show		19377+6203	STI 907		16	4.6	95
Show		19297+6128	LDS2768		263	5.4	96
Show		19396+6207	LDS2777		286	70.4	98
Show		19490+5916	HJ 2906		55	30.2	100
Show		19476+6154	UC 4024		32	23.8	100
Show		19534+6052	VAT 4		296	6.5	100
Show		19424+5849	KPP2150		326	17.6	104
Show		19298+5922	TDT1499		110	1.0	105
Show		19334+6203	STF2553		131	1.0	106

WDS 19402+6030 : COMPONENTS

	A
B	pa=13.2° sep=16.86"

19402+6030 A

Componente originario normalizzato	AB	Name	HD 186340	Coord arcsec 2000	194013.20+603025.6	Mag	6.51
Spectral class	A5V (white)	PmRA	4.00	PmDE	-9.0	SAO	18461
HIP	96771	Tycho2	4230-01061-1	HD	186340	HR	7500
GC	27252	BD	BD+60 1991

Tycho2

Tycho2	4230-01061-1	Pflag		RAmdeg	295.05499133	DEmdeg	60.50710828
PmRA	5.0	PmDE	-9.4	E RAmdeg	4	E DEmdeg	4
E pmRA	1.4	E pmDE	1.5	EpRAm	1991.44	EpDEm	1991.49
Num	9	Q RAmdeg	0.5	Q DEmdeg	1.5	Q pmRA	0.6
Q pmDE	1.5	BTmag	6.738	E BTmag	0.014	VTmag	6.514
E VTmag	0.010	Prox	182	TYC	T	HIP	96771
CCDM	A	RAdeg	295.05496750	DEdeg	60.50713028	EpRA 1990	1.60
EpDE 1990	1.62	E RAdeg	3.7	E DEdeg	3.9	Posflg
Corr	0.1

SAO

SAO	18461	DelFlag		RA1950		PmRA1950	-0.0017
DE1950		PmDE1950	-0.003	Vmag	6.2	SpType	A2
Double code		Source	70	CatNum	27252	DM	BD+60 1991
DMcomp		BDsup		HD	186340	M HD	0
GC	27252	RA1950rad	5.14625728	DE1950rad	1.05400261	PmRA2000	-0.0011
PmDE2000	-0.005

Hipparcos

Catalog	H	HIP	96771	Proxy		RAhms	19 40 13.19
DEdms	+60 30 25.7	Vmag	6.49	VarFlag		R Vmag	H
RAdeg	295.055	DEdeg	60.5071	AstroRef	A	Plx	8.33
CCDM	19402+6030	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	A	M HIP
Theta		Rho		HD	186340	BD	BD+60 1991
CD		CP		Dm number	+60 1991	VIred	0.23
SpType	A5V	R SpType		Coord arcsec 2000	194013.19+603025.7

Hipparcos 2

HIP	96771	Sn	95	So	3	Nc	1
RArad	5.1496806628	DErad	1.0560486598	Plx	6.43	PmRA	5.95
PmDE	-8.17	E RArad	0.68	E DErad	0.52	E Plx	0.64
E pmRA	0.76	E pmDE	0.62	Hpmag	6.5543	E Hpmag	0.0095
SHp	0.033	VA	0	BV	0.212	E BV	0.005
VI	0.23

CCDM

Ccdm	19402+6030	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.08	DDEs	25.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.2	Sp	A2	PmNote	*
PmRA	-15	PmDE	-1	Dm number	+60 1991	Cat1	BD
Name2	+60 1218	Cat2	AGK2/3	HD	186340	M HD
ADS BDS	A12789	M ADS BDS		N IDS		IDS	19386N6016A
HIC	96771

19402+6030 B

Componente originario normalizzato	AB	Coord arcsec 2000	194013.72+603042.0	Mag	8.91	PmRA	5.00
PmDE	-8.0	HIP	96773	BD	BD+60 1992	Calc delta mag	2.4
Calc coord	yes

Hipparcos

Catalog	H	HIP	96773	Proxy		RAhms	19 40 14.30
DEdms	+60 30 41.9	Vmag	9.1	VarFlag		R Vmag	H
RAdeg	295.06	DEdeg	60.5117	AstroRef	B	Plx	17.84
CCDM	19402+6030	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	I	Qual	A	M HIP
Theta		Rho		HD	186340	BD	BD+60 1992
CD		CP		Dm number	+60 1992	VIred	0.59
SpType		R SpType		Coord arcsec 2000	194014.30+603041.9

Hipparcos 2

HIP	96773	Sn	95	So	3	Nc	1
RArad	5.1497609885	DErad	1.0561276168	Plx	11.49	PmRA	10.82
PmDE	-7.05	E RArad	3.06	E DErad	2.62	E Plx	3.07
E pmRA	3.55	E pmDE	2.96	Hpmag	9.2857	E Hpmag	0.0908
SHp	0	VA	0	BV	0.413	E BV	0.026
VI	0.48

CCDM

Ccdm	19402+6030	RComp		Comp	B	Note1
Note2		Discov num	STF2573	DRAs	2.22	DDEs	41.1
R dRAs	10	Year	1832	Theta	027	Rho	18.2
Obs	16	Vmag	9.5	Sp		PmNote	*
PmRA	-12	PmDE	-15	Dm number	+60 1992	Cat1	BD
Name2	+60 1219	Cat2	AGK2/3	HD		M HD
ADS BDS	A12789	M ADS BDS		N IDS		IDS	19386N6016B
HIC	96773