13550+7824 STF 1798 (HD 122189)

13^h 55^m 02.30^s +78° 23' 59.2" P.A. 11.00 sep 7.5 mag 7.67,9.65 Sp F2 dist. 124.53 pc (406.22 l.y.)

Coord 2000	13550+7824	Discov num	STF1798	Comp		Coord arcsec 2000	13 55 02.30 +78 23 59.2
Date first	1832	Date last	2016	Obs	34
Pa first	16	Pa last	11.4	P.A. Now (θ)	11.4°
Sep first	7.1	Sep last	7.527	Sep. Now (ρ)	7.527"
Mag pri	7.67	Mag sec	9.65	delta mag (ΔM)	1.98	Spectral class	F2 (yellow-white)
Pri motion ra	+018	Sec motion ra	+015
Pri motion dec	-006	Sec motion dec	-006
Notes

rPM=0.158 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 122189	Constellation	Ursa Minor	SAO	7912	HIP	67959
Tycho2	4561-00926-1	Gaia DR2	1714981888698274304	HD	122189	GC	18869
BD	BD+79 433	Distance	124.53	Distance ly	406.22

WDS 13550+7824 STF 1798 (HD 122189) : 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
13550+7824	STF1798		2006	24	11	7.5	7.67	9.65	F2	D	135502.30+782359.2
13550+7824	STF1798		2014	27	11	8.3	7.67	9.65	F2	D	135502.30+782359.2
13550+7824	STF1798		2015	28	11	7.5	7.67	9.65	F2		135502.30+782359.2
13550+7824	STF1798		2016	34	11	7.5	7.67	9.65	F2		135502.30+782359.2

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

WDS 13550+7824 STF 1798 (HD 122189) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 13550+7824 STF 1798 (HD 122189) : MEASURES

No records found.

WDS 13550+7824 (HD 122189) : 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 13550+7824 (HD 122189) : ALADIN DSS IMAGE @ 13^h 55^m 02.30^s +78° 23' 59.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 13550+7824 STF 1798 (HD 122189) : 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		13550+7824	STF1798		11	7.5	1
Show		13494+7813	MLR 333		137	1.3	21
Show		13567+7802	BVD 104		66	48.2	23
Show		13555+7748	MFL 143		174	4.3	36
Show		14068+7845	MFL 103		341	4.5	41
Show		14078+7851	MFL 104		303	15.1	47
Show		14022+7904	LDS1781	AB	186	3.7	47
Show		14022+7904	LDS1781	AC	151	97.2	47
Show		13547+7916	TDS9026		100	1.7	52
Show		14031+7913	MFL 119		16	46.1	55
Show		13496+7921	MFL 105		177	36.0	60
Show		13562+7721	MFL 95		331	7.3	64
Show		13455+7923	LDS1777		122	65.6	66
Show		14088+7733	BNU 9		179	0.0	67
Show		14021+7716	MFL 130		299	24.2	72
Show		14088+7715	HJ 2706	AB	84	13.3	82
Show		14058+7940	MFL 88		253	4.3	83
Show		13444+7941	MFL 141		133	52.2	83
Show		13489+7949	MFL 138		203	8.6	87
Show		14054+7700	MFL 124		167	13.3	91
Show		13559+7651	MFL 112		166	6.9	94
Show		14116+7701	KPP3916		334	2.6	99
Show		13570+8005	MFL 122		190	31.8	101
Show		13496+8004	TDS8984		119	2.0	101
Show		13407+7651	HJ 2682	AB	282	25.5	105
Show		13407+7651	HJ 2682	AC	316	43.3	105
Show		13407+7651	HJ 2682	BC	351	27.2	105
Show		13537+7623	MFL 115		345	11.7	121
Show		13524+7623	BVD 321	AB	218	18.7	122
Show		13524+7623	MFL 106	AC	22	1.2	122
Show		13358+7634	LDS1776		203	12.4	126
Show		14125+7626	HU 900		223	0.6	131
Show		13456+7614	KPP3904		250	16.6	134
Show		13579+8039	MFL 144		315	4.3	135
Show		13562+8057	MFL 92		314	10.9	154
Show		13459+7553	BVD 320		15	29.8	154
Show		14069+8057	MFL 87		220	4.3	157
Show		13495+7534	HDS1943	AB	102	0.7	171
Show		13495+7534	SKF1229	AB,C	199	99.9	171
Show		13406+8111	STF1787		335	2.0	172
Show		14141+8110	TDS9138		226	0.7	174
Show		13455+8128	MFL 135		189	6.5	186
Show		13566+8137	HDS1955		244	0.1	193
Show		14118+8135	MFL 89		87	5.1	196
Show		13499+7458	MLR 332		243	0.3	207
Show		14134+8147	TDS9134		220	2.5	209
Show		14027+8153	MFL 142		11	24.3	211
Show		14075+8201	MFL 127		264	6.2	220
Show		13417+7419	TDS8935	AB	264	1.5	250
Show		14005+8234	LDS1780		85	4.3	253
Show		14017+7407	KPP2616		237	24.1	258

WDS 13550+7824 : COMPONENTS

	A
B	pa=2.3° sep=7.38"

13550+7824 A

Componente originario normalizzato	AB	Name	HD 122189	Coord arcsec 2000	135502.30+782359.2	Mag	7.67
Spectral class	F2 (yellow-white)	PmRA	18.00	PmDE	-6.0	SAO	7912
HIP	67959	Tycho2	4561-00926-1	HD	122189	GC	18869
BD	BD+79 433

Tycho2

Tycho2	4561-00926-1	Pflag		RAmdeg	208.75959542	DEmdeg	78.39977389
PmRA	17.0	PmDE	-6.3	E RAmdeg	5	E DEmdeg	5
E pmRA	1.3	E pmDE	1.4	EpRAm	1991.49	EpDEm	1991.60
Num	7	Q RAmdeg	1.2	Q DEmdeg	1.4	Q pmRA	1.2
Q pmDE	1.4	BTmag	8.108	E BTmag	0.015	VTmag	7.666
E VTmag	0.011	Prox	75	TYC	T	HIP	67959
CCDM	A	RAdeg	208.75940083	DEdeg	78.39978833	EpRA 1990	1.71
EpDE 1990	1.76	E RAdeg	4.5	E DEdeg	4.5	Posflg
Corr	0.1

SAO

SAO	7912	DelFlag		RA1950		PmRA1950	0.0031
DE1950		PmDE1950	-0.01	Vmag	7.9	SpType	F2
Double code		Source	70	CatNum	18869	DM	BD+79 433
DMcomp		BDsup		HD	122189	M HD	0
GC	18869	RA1950rad	3.64385109	DE1950rad	1.37259349	PmRA2000	0.0041
PmDE2000	-0.006

Hipparcos

Catalog	H	HIP	67959	Proxy	H	RAhms	13 55 02.26
DEdms	+78 23 59.2	Vmag	7.47	VarFlag		R Vmag	H
RAdeg	208.759	DEdeg	78.3998	AstroRef	A	Plx	8.49
CCDM	13550+7824	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	12	Rho	7.488	HD	122189	BD	BD+79 433
CD		CP		Dm number	+79 433	VIred	0.52
SpType	F2...	R SpType		Coord arcsec 2000	135502.26+782359.2

Hipparcos 2

HIP	67959	Sn	15	So	3	Nc	2
RArad	3.6435390604	DErad	1.3683344457	Plx	8.03	PmRA	14.88
PmDE	-7.5	E RArad	0.44	E DErad	0.47	E Plx	0.5
E pmRA	0.6	E pmDE	0.57	Hpmag	7.5754	E Hpmag	0.0011
SHp	0.012	VA	0	BV	0.448	E BV	0.015
VI	0.52

CCDM

Ccdm	13550+7824	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.22	DDEs	-0.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.1	Sp	F2	PmNote	*
PmRA	9	PmDE	-8	Dm number	+79 433	Cat1	BD
Name2	7912	Cat2	SAO	HD	122189	M HD
ADS BDS	A 9069	M ADS BDS		N IDS		IDS	13552N7853A
HIC	67959

13550+7824 B

Componente originario normalizzato	AB		Coord arcsec 2000	135502.40+782406.6		Mag	9.65		PmRA	15.00
PmDE	-6.0		Calc delta mag	1.98		Calc coord	yes

CCDM

Ccdm	13550+7824	RComp		Comp	B	Note1
Note2		Discov num	STF1798	DRAs	2.72	DDEs	6.7
R dRAs	90	Year	1832	Theta	013	Rho	7.2
Obs	11	Vmag	9.9	Sp		PmNote
PmRA	9	PmDE	-8	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 9069	M ADS BDS		N IDS		IDS	13552N7853B
HIC	67959