21346+5906 STF 2810 (HD 239705)

21^h 34^m 34.88^s +59° 06' 23.8" P.A. 290.00 sep 16.8 mag 8.43,9.04 Sp F8 dist. 75.64 pc (246.74 l.y.)

Coord 2000	21346+5906	Discov num	STF2810	Comp		Coord arcsec 2000	21 34 34.88 +59 06 23.8
Date first	1828	Date last	2019	Obs	42
Pa first	293	Pa last	290.1	P.A. Now (θ)	290.1°
Sep first	15.0	Sep last	16.82	Sep. Now (ρ)	16.82"
Mag pri	8.43	Mag sec	9.04	delta mag (ΔM)	0.61	Spectral class	F8 (yellow-white)
Pri motion ra	+023	Sec motion ra	+025
Pri motion dec	+004	Sec motion dec	+007
Notes	T (Parallax indicates physical)

rPM=0.139 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 239705	Constellation	Cepheus	SAO	33547	HIP	106524
Tycho2	3979-00421-1	Gaia DR2	2179605128596535936	HD	239705	GC	30230
BD	BD+58 2291	Distance	75.64	Distance ly	246.74

WDS 21346+5906 STF 2810 (HD 239705) : 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
21346+5906	STF2810		2002	31	290	17.0	8.43	9.04	F8	D	213434.88+590623.8
21346+5906	STF2810		2003	33	291	16.9	8.43	9.04	F8	D	213434.88+590623.8
21346+5906	STF2810		2012	34	290	16.8	8.43	9.04	F8	D	213434.88+590623.8
21346+5906	STF2810		2015	36	291	16.9	8.43	9.04	F8		213434.88+590623.8
21346+5906	STF2810		2019	41	290	16.8	8.43	9.04	F8	T	213434.88+590623.8

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

WDS 21346+5906 STF 2810 (HD 239705) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21346+5906 STF 2810 (HD 239705) : MEASURES

No records found.

WDS 21346+5906 (HD 239705) : 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 21346+5906 (HD 239705) : ALADIN DSS IMAGE @ 21^h 34^m 34.88^s +59° 06' 23.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21346+5906 STF 2810 (HD 239705) : 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		21346+5906	STF2810		290	16.8
Show		21335+5857	MLR 437		302	0.5	14
Show		21339+5928	MLR 438		168	5.0	23
Show		21373+5900	HJ 1677	AB	128	16.1	23
Show		21366+5842	BU 371		3	8.7	29
Show		21328+5839	HJ 1659	AB	287	7.8	31
Show		21328+5839	HJ 1659	AC	68	19.3	31
Show		21323+5932	TDT3018		223	1.7	31
Show		21323+5934	HDS3062		297	0.1	33
Show		21348+5941	STF2812		133	2.4	35
Show		21290+5844	HDS3058	Aa,Ab	182	0.1	49
Show		21290+5844	MLR 436	AB	343	4.2	49
Show		21306+5954	HJ 3038		112	17.2	57
Show		21426+5851	SKF2029		207	91.2	64
Show		21274+5835	MLR 435		236	0.2	64
Show		21287+5954	LDS4890		35	24.3	66
Show		21397+5815	MLB 90	AB	37	8.2	66
Show		21397+5815	MLB 90	AC	136	29.7	66
Show		21274+5945	STT 440		175	8.9	67
Show		21347+6017	STI1038		15	5.4	71
Show	Garnet star	21435+5847	BU 690	AB	263	19.5	72
Show	Garnet star	21435+5847	BU 690	AC	297	42.4	72
Show	Garnet star	21435+5847	SMR 41	AD	192	62.5	72
Show	Garnet star	21435+5847	SMR 41	AE	349	45.1	72
Show	Garnet star	21435+5847	SMR 41	AF	17	75.9	72
Show	Garnet star	21435+5847	SMR 41	AG	33	107.3	72
Show		21273+5953	MLR 362		56	0.3	73
Show		21336+6020	BU 166		262	1.1	75
Show		21308+6014	MLB 89		57	5.9	75
Show		21434+5834	MLB 91		70	4.6	76
Show		21314+5754	ES 1800		86	3.4	77
Show		21263+5951	MLR 361		88	0.6	78
Show		21437+5943	STI1045		312	9.7	79
Show		21393+6017	OSO 150		44	23.7	80
Show		21436+5827	LDS4905		227	41.4	81
Show		21309+6022	STI1035		64	11.7	82
Show		21340+6029	HDS3071		291	0.1	84
Show		21257+5957	MLB 88		115	7.5	85
Show		21448+5937	ES 1761		343	3.2	85
Show		21392+6026	STI1042		4	15.0	87
Show		21234+5923	ES 2709		275	12.2	87
Show		21256+5814	BU 1141		166	3.3	88
Show		21232+5859	HDS3048		27	13.0	89
Show		21259+6007	LDS4885		294	147.3	90
Show		21364+5738	PET 4		191	0.4	90
Show		21302+5743	TDT3000		164	0.5	90
Show		21385+5741	PET 7		256	0.5	91
Show		21260+6010	STI1027		73	4.9	91
Show		21391+5742	PET 8		218	1.4	92
Show		21380+5738	PET 6		118	1.5	93
Show		21234+5943	TDT2938		258	1.7	93

WDS 21346+5906 : COMPONENTS

	A
B	pa=305.5° sep=9.96"

21346+5906 A

Componente originario normalizzato	AB	Name	HD 239706	Coord arcsec 2000	213434.88+590623.8	Mag	8.43
Spectral class	F8 (yellow-white)	PmRA	23.00	PmDE	4.0	SAO	33547
HIP	106530	Tycho2	3979-00421-1	HD	239706	GC	30230
BD	BD+58 2291

Tycho2

Tycho2	3979-00421-1	Pflag		RAmdeg	323.64532344	DEmdeg	59.10662487
PmRA	22.9	PmDE	4.0	E RAmdeg	7	E DEmdeg	7
E pmRA	1.1	E pmDE	1.2	EpRAm	1990.63	EpDEm	1991.02
Num	13	Q RAmdeg	1.3	Q DEmdeg	0.9	Q pmRA	1.3
Q pmDE	0.8	BTmag	8.961	E BTmag	0.017	VTmag	8.427
E VTmag	0.013	Prox	168	TYC	T	HIP	106530
CCDM	A	RAdeg	323.64521972	DEdeg	59.10661583	EpRA 1990	1.57
EpDE 1990	1.68	E RAdeg	6.8	E DEdeg	6.8	Posflg
Corr	0.1

SAO

SAO	33547	DelFlag		RA1950		PmRA1950	0.0033
DE1950		PmDE1950	-0.006	Vmag	8	SpType	F0
Double code		Source	70	CatNum	30230	DM	BD+58 2291
DMcomp		BDsup		HD	239706	M HD	0
GC	30230	RA1950rad	5.64229752	DE1950rad	1.02769843	PmRA2000	0.0037
PmDE2000	-0.01

Hipparcos

Catalog	H	HIP	106530	Proxy		RAhms	21 34 34.85
DEdms	+59 06 23.8	Vmag	8.39	VarFlag		R Vmag	G
RAdeg	323.645	DEdeg	59.1066	AstroRef	A	Plx	7.83
CCDM	21346+5906	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	A	M HIP
Theta		Rho		HD	239706	BD	BD+58 2291
CD		CP		Dm number	+58 2291	VIred	0.57
SpType	F8	R SpType		Coord arcsec 2000	213434.85+590623.8

Hipparcos 2

HIP	106530	Sn	95	So	3	Nc	1
RArad	5.6486746704	DErad	1.0316049679	Plx	9.42	PmRA	15.81
PmDE	4.82	E RArad	2.22	E DErad	2.2	E Plx	2.71
E pmRA	2.2	E pmDE	2.59	Hpmag	8.4984	E Hpmag	0.0263
SHp	0.134	VA	0	BV	0.493	E BV	0.015
VI	0.57

CCDM

Ccdm	21346+5906	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.16	DDEs	23.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.4	Sp	F0	PmNote	*
PmRA	16	PmDE	10	Dm number	+58 2291	Cat1	BD
Name2	+58 1367	Cat2	AGK2/3	HD	239706	M HD
ADS BDS	A15113	M ADS BDS		N IDS		IDS	21316N5839A
HIC	106530

21346+5906 B

Componente originario normalizzato	AB	Coord arcsec 2000	213433.83+590629.6	Mag	9.04	PmRA	25.00
PmDE	7.0	HIP	106524	Tycho2	3979-01618-1	HD	239705
Calc delta mag	0.61	Calc coord	yes

Tycho2

Tycho2	3979-01618-1	Pflag		RAmdeg	323.63677777	DEmdeg	59.10824831
PmRA	23.9	PmDE	4.5	E RAmdeg	11	E DEmdeg	11
E pmRA	2.6	E pmDE	2.5	EpRAm	1991.33	EpDEm	1991.45
Num	4	Q RAmdeg	0.6	Q DEmdeg	1.5	Q pmRA	0.6
Q pmDE	1.6	BTmag	9.633	E BTmag	0.023	VTmag	9.043
E VTmag	0.018	Prox	168	TYC	T	HIP	106524
CCDM	B	RAdeg	323.63666889	DEdeg	59.10823778	EpRA 1990	1.55
EpDE 1990	1.68	E RAdeg	11.1	E DEdeg	10.7	Posflg
Corr	0.1

Hipparcos

Catalog	H	HIP	106524	Proxy		RAhms	21 34 32.80
DEdms	+59 06 29.7	Vmag	9.13	VarFlag		R Vmag	H
RAdeg	323.637	DEdeg	59.1082	AstroRef	B	Plx	9.74
CCDM	21346+5906	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	I	Qual	A	M HIP
Theta		Rho		HD	239705	BD
CD		CP		Dm number		VIred	0.6
SpType	F8	R SpType		Coord arcsec 2000	213432.80+590629.7

Hipparcos 2

HIP	106524	Sn	95	So	3	Nc	1
RArad	5.6485250489	DErad	1.0316334557	Plx	13.22	PmRA	15.85
PmDE	4.38	E RArad	3.9	E DErad	3.66	E Plx	4.57
E pmRA	3.86	E pmDE	4.39	Hpmag	9.3486	E Hpmag	0.0381
SHp	0	VA	0	BV	0.505	E BV	0.027
VI	0.58

CCDM

Ccdm	21346+5906	RComp		Comp	B	Note1
Note2		Discov num	STF2810	DRAs	-3.21	DDEs	29.9
R dRAs	91	Year	1831	Theta	290	Rho	17.0
Obs	10	Vmag	9.4	Sp	F0	PmNote	*
PmRA	18	PmDE	12	Dm number		Cat1
Name2	+58 1366	Cat2	AGK2/3	HD	239705	M HD
ADS BDS	A15113	M ADS BDS		N IDS		IDS	21316N5839B
HIC	106524