21070+5900 STF 2766 (HD 201430)

21^h 07^m 00.38^s +58° 59' 44.6" P.A. 247.00 sep 4.5 mag 8.79,9.11 Sp F5+F5

Coord 2000	21070+5900	Discov num	STF2766	Comp		Coord arcsec 2000	21 07 00.38 +58 59 44.6
Date first	1828	Date last	2019	Obs	47
Pa first	250	Pa last	247.2	P.A. Now (θ)	247.2°
Sep first	4.0	Sep last	4.505	Sep. Now (ρ)	4.505"
Mag pri	8.79	Mag sec	9.11	delta mag (ΔM)	0.32	Spectral class	F5+F5 (yellow-white/yellow-white)
Pri motion ra	+009	Sec motion ra	+009
Pri motion dec	-011	Sec motion dec	-015
Notes

rPM=0.229 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 201430		Constellation	Cepheus		SAO	33147		Tycho2	3965-00578-1
Gaia DR2	2190629553729107328		HD	201430		GC	29544

WDS 21070+5900 STF 2766 (HD 201430) : 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
21070+5900	STF2766		1999	36	249	4.5	8.79	9.11	F5 F5	D	210700.38+585944.6
21070+5900	STF2766		2011	38	248	4.5	8.79	9.11	F5 F5	D	210700.38+585944.6
21070+5900	STF2766		2016	41	249	4.5	8.79	9.11	F5+F5		210700.38+585944.6
21070+5900	STF2766		2019	46	248	4.5	8.79	9.11	F5+F5		210700.38+585944.6

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

WDS 21070+5900 STF 2766 (HD 201430) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21070+5900 STF 2766 (HD 201430) : MEASURES

No records found.

WDS 21070+5900 (HD 201430) : 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 21070+5900 (HD 201430) : ALADIN DSS IMAGE @ 21^h 07^m 00.38^s +58° 59' 44.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21070+5900 STF 2766 (HD 201430) : 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		21070+5900	STF2766		247	4.5
Show		21082+5907	A 760	AB	331	3.5	12
Show		21084+5913	KPP3366		201	5.4	17
Show		21045+5904	MLB1090		34	9.5	21
Show		21063+5924	CLZ 79		332	120.3	25
Show		21047+5831	HDS3002		327	0.2	34
Show		21035+5922	MRI 37		175	6.0	35
Show		21035+5925	MLR 243		224	0.2	38
Show		21122+5854	ARG 107		193	37.0	41
Show		21024+5920	STI1011		34	15.2	41
Show		21010+5923	MLR 242		287	3.9	53
Show		21132+5924	TDT2832		56	0.6	54
Show		21009+5929	MLR 241		174	0.9	56
Show		21009+5931	ES 2703		230	10.2	57
Show		21130+5941	NSN 741		188	8.8	62
Show		21012+5953	TDT2696		246	0.5	70
Show		21141+5818	STF2783		348	0.7	70
Show		21118+5959	MCA 67	Aa,Ab	305	0.0	70
Show		21118+5959	STF2780	AB	211	1.0	70
Show		21118+5959	STF2780	AC	211	118.8	70
Show		21118+5959	WAL 137	AB,D	260	96.3	70
Show		21118+5959	WAL 137	AB,E	46	61.5	70
Show		21160+5914	TDT2869		283	0.7	72
Show		20577+5849	A 756	AB	210	0.6	74
Show		20577+5849	A 756	AC	197	54.0	74
Show		20577+5849	ARN 34	AD	265	215.4	74
Show		20577+5849	YSC 117	Da,Db	341	0.1	77
Show		20590+5948	TDT2672		258	3.0	78
Show		21173+5837	BU 1140	AB	274	4.2	84
Show		21173+5837	BU 1140	AC	271	68.2	84
Show		21173+5837	PET 2	Aa,Ab	271	0.1	84
Show		20559+5906	A 754		6	1.0	86
Show		21114+5737	MLR 590		7	0.2	90
Show		21056+6030	A 758	AB	124	0.4	91
Show		21056+6030	A 758	AB,C	189	8.6	91
Show		21182+5931	STI1020		128	2.8	92
Show		20563+5943	LDS2794		120	85.6	93
Show		21193+5837	BAG 9	Aa,Ab	123	0.1	98
Show		21193+5837	STF2790	AB	45	4.6	98
Show		21193+5837	STF2790	AC	183	15.8	98
Show		21193+5837	STF2790	AD	352	74.8	98
Show		21189+5938	MLB1092		106	10.5	99
Show		21199+5841	HLM 39		63	18.8	102
Show		20537+5918	A 751		52	0.2	105
Show		21178+5756	STI2564		212	5.0	106
Show		21101+5715	STI2561		183	14.2	108
Show		21106+5710	ES 1760		29	2.1	114
Show		21119+5713	TDT2813		359	0.5	114
Show		21202+5809	STI2566		125	13.2	115
Show		21165+5727	STI2562		77	11.2	120
Show		20599+5714	ES 136		159	4.2	120

WDS 21070+5900 : COMPONENTS

	A
B	pa=230.8° sep=2.76"

21070+5900 A

Componente originario normalizzato	AB		Name	HD 201430		Coord arcsec 2000	210700.38+585944.6		Mag	8.79
Spectral class	F5 (yellow-white)		PmRA	9.00		PmDE	-11.0		Tycho2	3965-00578-1

Tycho2

Tycho2	3965-00578-1	Pflag		RAmdeg	316.75156461	DEmdeg	58.99572138
PmRA	9.0	PmDE	-8.7	E RAmdeg	8	E DEmdeg	8
E pmRA	1.7	E pmDE	1.7	EpRAm	1991.37	EpDEm	1991.37
Num	7	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	9.307	E BTmag	0.018	VTmag	8.790
E VTmag	0.014	Prox	46	TYC	T	HIP
CCDM		RAdeg	316.75152444	DEdeg	58.99574139	EpRA 1990	1.69
EpDE 1990	1.71	E RAdeg	7.9	E DEdeg	8.3	Posflg	D
Corr	0.1

CCDM

Ccdm	21070+5900	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.36	DDEs	-16.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.5	Sp	F5	PmNote	*
PmRA	7	PmDE	-9	Dm number	+58 2227	Cat1	BD
Name2	+58 1316	Cat2	AGK2/3	HD	201430	M HD
ADS BDS	A14669	M ADS BDS		N IDS		IDS	21044N5836A
HIC

21070+5900 B

Componente originario normalizzato	AB	Coord arcsec 2000	210700.10+585942.9	Mag	9.11	Spectral class	F5 (yellow-white)
PmRA	9.00	PmDE	-15.0	SAO	33147	Tycho2	3965-01804-1
HD	201430	GC	29544	DM	BD+58 2227	Calc delta mag	0.32
Calc coord	yes

Tycho2

Tycho2	3965-01804-1	Pflag		RAmdeg	316.74924035	DEmdeg	58.99523575
PmRA	9.2	PmDE	-15.0	E RAmdeg	10	E DEmdeg	10
E pmRA	1.9	E pmDE	1.9	EpRAm	1991.27	EpDEm	1991.27
Num	6	Q RAmdeg	2.4	Q DEmdeg	0.6	Q pmRA	2.5
Q pmDE	0.5	BTmag	9.595	E BTmag	0.021	VTmag	9.108
E VTmag	0.017	Prox	46	TYC	T	HIP
CCDM		RAdeg	316.74919889	DEdeg	58.99527028	EpRA 1990	1.68
EpDE 1990	1.71	E RAdeg	9.7	E DEdeg	10.1	Posflg	D
Corr	0.1

SAO

SAO	33147	DelFlag		RA1950		PmRA1950	0.0001
DE1950		PmDE1950	-0.002	Vmag	8	SpType	F5
Double code		Source	70	CatNum	29544	DM	BD+58 2227
DMcomp		BDsup		HD	201430	M HD	0
GC	29544	RA1950rad	5.522677	DE1950rad	1.02613993	PmRA2000	0.0005
PmDE2000	-0.006

CCDM

Ccdm	21070+5900	RComp		Comp	B	Note1
Note2		Discov num	STF2766	DRAs	-0.16	DDEs	-17.7
R dRAs	10	Year	1831	Theta	249	Rho	5.0
Obs	12	Vmag	8.7	Sp		PmNote	*
PmRA	3	PmDE	-30	Dm number		Cat1
Name2	+58 1315	Cat2	AGK2/3	HD		M HD
ADS BDS	A14669	M ADS BDS		N IDS		IDS	21044N5836B
HIC