16437+5040 STF 2100 AB (HD 234341)

16^h 43^m 42.47^s +50° 39' 57.7" P.A. 294.00 sep 23.2 mag 9.11,10.88 Sp K0 dist. 458.72 pc (1496.34 l.y.)

Coord 2000	16437+5040	Discov num	STF2100	Comp	AB	Coord arcsec 2000	16 43 42.47 +50 39 57.7
Date first	1897	Date last	2018	Obs	22
Pa first	297	Pa last	294	P.A. Now (θ)	294°
Sep first	24.3	Sep last	23.216	Sep. Now (ρ)	23.216"
Mag pri	9.11	Mag sec	10.88	delta mag (ΔM)	1.77	Spectral class	K0 (yellow-orange)
Pri motion ra	+009	Sec motion ra	+010
Pri motion dec	-004	Sec motion dec	-003
Notes	T W (Parallax indicates physical, )

rPM=0.135 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 234341	Constellation	Hercules	SAO	30065	HIP	81898
Tycho2	3505-00447-1	HD	234341	BD	BD+50 2322	Distance	458.72
Distance ly	1496.34

WDS 16437+5040 STF 2100 AB (HD 234341) : NOTES

No records found.

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
16437+5040	STF2100	AB	2018	21	294	23.2	9.11	10.88	K0	TW	164342.47+503957.7

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WDS 16437+5040 STF 2100 AB (HD 234341) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16437+5040 STF 2100 AB (HD 234341) : MEASURES

No records found.

WDS 16437+5040 (HD 234341) : 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 16437+5040 (HD 234341) : ALADIN DSS IMAGE @ 16^h 43^m 42.47^s +50° 39' 57.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16437+5040 STF 2100 AB (HD 234341) : 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		16437+5040	STF2100	AB	294	23.2	1
Show		16440+5036	ES 76	AB	45	2.6	5
Show		16440+5036	ES 76	AC	204	43.8	5
Show		16454+5027	ES 2653		289	11.1	22
Show		16463+5034	CVR1673		321	3.2	26
Show		16461+5021	SKF 244		146	65.9	31
Show		16461+5012	ES 969		238	2.8	38
Show		16408+5014	ES 632		104	2.2	38
Show		16390+5040	CVR1669		23	4.8	45
Show		16450+5125	SLE 15		320	22.8	47
Show		16383+5040	CVR 189		270	15.4	52
Show		16438+5133	HU 664		303	0.5	53
Show		16460+4948	COU1770		201	2.2	57
Show		16413+5138	TDT 33		233	0.9	63
Show		16495+5124	CVR1675		204	3.6	70
Show		16518+5103	ES 971	AB	43	45.7	80
Show		16518+5103	ES 971	BC	231	2.2	81
Show		16528+5048	LDS4700		243	11.6	87
Show		16458+4901	CVR1672		90	3.1	101
Show		16473+5218	ES 970		302	3.5	105
Show		16547+5052	GRV1223		64	18.2	105
Show		16387+4856	STF2082		92	28.1	115
Show		16422+5236	BEM 22		105	7.5	117
Show		16561+5044	LDS4708	AB	288	276.2	118
Show		16561+5044	LDS4708	Aa,Ab	195	3.1	118
Show		16383+4853	TDT 15		140	4.9	119
Show		16392+5237	ES 968		228	5.5	125
Show		16365+4856	HLM 7	AB	9	25.2	126
Show		16365+4856	HLM 7	AC	84	86.1	126
Show		16555+5141	ES 972		106	2.1	127
Show		16566+5127	ES 2654		282	37.0	130
Show		16549+5158	A 1870		231	2.2	131
Show		16382+4838	SLW1189		315	34.6	133
Show		16322+4922	UC 3184		147	22.0	135
Show		16328+5209	KPP 663		177	6.0	136
Show		16573+4950	COU1771		244	1.8	140
Show		16380+4831	COU1768		301	0.6	141
Show		16402+5300	KPP4009		134	36.3	144
Show		16535+4848	CVR 848		65	28.0	147
Show		16429+4814	COU1769		184	0.6	147
Show		16306+4923	TDS9939		26	0.4	148
Show		16476+5303	VVO 15		309	9.0	148
Show		16287+5124	HU 748		82	5.9	149
Show		16576+4935	COU1772		89	0.3	149
Show		16362+5255	STFA 30	CD	123	125.5	152
Show		16581+5148	STF2117		92	1.4	152
Show		16362+5255	STFA 30	BC	194	90.1	153
Show		16362+5255	STF2078	AB	104	2.9	153
Show		16362+5255	STFA 30	AC	193	90.2	153
Show		16525+5250	TDS 840		305	1.0	154
Show		16580+4931	CVR1684		169	4.0	154

WDS 16437+5040 : COMPONENTS

	A
B	pa=305.1° sep=16.43"

16437+5040 A

Name	HD 234341	Coord arcsec 2000	164342.47+503957.7	Mag	9.11	Spectral class	K0 (yellow-orange)
PmRA	9.00	PmDE	-4.0	SAO	30065	HIP	81898
Tycho2	3505-00447-1	HD	234341	BD	BD+50 2322

Tycho2

Tycho2	3505-00447-1	Pflag		RAmdeg	250.92696230	DEmdeg	50.66603175
PmRA	8.4	PmDE	-4.9	E RAmdeg	10	E DEmdeg	10
E pmRA	1.0	E pmDE	1.1	EpRAm	1989.03	EpDEm	1989.96
Num	12	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	1.0
Q pmDE	1.0	BTmag	10.211	E BTmag	0.027	VTmag	9.105
E VTmag	0.016	Prox	233	TYC	T	HIP	81898
CCDM	A	RAdeg	250.92693167	DEdeg	50.66604361	EpRA 1990	1.62
EpDE 1990	1.69	E RAdeg	10.8	E DEdeg	10.4	Posflg
Corr	-0.1

SAO

SAO	30065	DelFlag		RA1950		PmRA1950	0.0017
DE1950		PmDE1950	-0.002	Vmag	8.5	SpType	K0
Double code		Source	37	CatNum	5064	DM	BD+50 2322
DMcomp		BDsup		HD	234341	M HD	0
GC		RA1950rad	4.37392235	DE1950rad	0.88588981	PmRA2000	0.0024
PmDE2000	0

Hipparcos

Catalog	H	HIP	81898	Proxy		RAhms	16 43 42.46
DEdms	+50 39 57.8	Vmag	9.02	VarFlag		R Vmag	H
RAdeg	250.927	DEdeg	50.666	AstroRef	A	Plx	1.35
CCDM	16437+5040	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	B	M HIP
Theta		Rho		HD	234341	BD	BD+50 2322
CD		CP		Dm number	+50 2322	VIred	0.94
SpType	K0	R SpType		Coord arcsec 2000	164342.46+503957.8

Hipparcos 2

HIP	81898	Sn	95	So	3	Nc	1
RArad	4.3795009556	DErad	0.8842892886	Plx	2.18	PmRA	7.94
PmDE	-3.54	E RArad	0.77	E DErad	0.78	E Plx	0.85
E pmRA	0.93	E pmDE	1.03	Hpmag	9.1792	E Hpmag	0.0273
SHp	0.026	VA	0	BV	0.931	E BV	0.022
VI	0.93

CCDM

Ccdm	16437+5040	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.45	DDEs	-2.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.5	Sp	K0	PmNote	*
PmRA	3	PmDE	-22	Dm number	+50 2322	Cat1	BD
Name2	+50 1184	Cat2	AGK2/3	HD	234341	M HD
ADS BDS	B 7752	M ADS BDS		N IDS		IDS	16410N5051A
HIC	81898

16437+5040 B

Coord arcsec 2000	164341.06+504007.1		Mag	10.88		PmRA	10.00		PmDE	-3.0
Calc delta mag	1.77		Calc coord	yes

CCDM

Ccdm	16437+5040	RComp		Comp	B	Note1
Note2		Discov num	STF2100	DRAs		DDEs
R dRAs		Year	1900	Theta	295	Rho	23.3
Obs	5	Vmag	10.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	B 7752	M ADS BDS	N	N IDS		IDS	16410N5051B
HIC	81895