10270+2941 STF 1432 (HD 90441)

10^h 26^m 59.53^s +29° 40' 31.0" P.A. 121.00 sep 28.6 mag 7.84,10.28 Sp F2 dist. 100.3 pc (327.18 l.y.)

Coord 2000	10270+2941	Discov num	STF1432	Comp		Coord arcsec 2000	10 26 59.53 +29 40 31.0
Date first	1829	Date last	2017	Obs	28
Pa first	124	Pa last	121.3	P.A. Now (θ)	121.3°
Sep first	29.5	Sep last	28.62	Sep. Now (ρ)	28.62"
Mag pri	7.84	Mag sec	10.28	delta mag (ΔM)	2.44	Spectral class	F2 (yellow-white)
Pri motion ra	-079	Sec motion ra	-075
Pri motion dec	-019	Sec motion dec	-007
Notes

rPM=0.156 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 90441	Constellation	Leo Minor	SAO	81347	HIP	51158
Tycho2	1976-00867-1	Gaia DR2	741566652441354368	HD	90441	GC	14336
BD	BD+30 2014	Distance	100.3	Distance ly	327.18

WDS 10270+2941 STF 1432 (HD 90441) : 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
10270+2941	STF1432		2003	16	122	28.7	7.84	10.28	F2	D	102659.53+294031.0
10270+2941	STF1432		2006	17	121	28.5	7.84	10.28	F2	D	102659.53+294031.0
10270+2941	STF1432		2012	21	121	28.5	7.84	10.28	F2	D	102659.53+294031.0
10270+2941	STF1432		2015	23	121	28.6	7.84	10.28	F2		102659.53+294031.0
10270+2941	STF1432		2017	28	121	28.6	7.84	10.28	F2		102659.53+294031.0

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

WDS 10270+2941 STF 1432 (HD 90441) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10270+2941 STF 1432 (HD 90441) : MEASURES

No records found.

WDS 10270+2941 (HD 90441) : 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 10270+2941 (HD 90441) : ALADIN DSS IMAGE @ 10^h 26^m 59.53^s +29° 40' 31.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10270+2941 STF 1432 (HD 90441) : 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		10270+2941	STF1432		121	28.6
Show		10257+2944	TDS7264		134	0.7	17
Show		10287+2944	SMA 74		212	6.9	23
Show		10268+2904	KU 99		318	22.0	37
Show		10240+3012	LDS1239	AB	122	59.6	50
Show		10240+3012	LDS1239	AC	133	102.7	50
Show		10280+3029	UC 1934	AB	160	14.7	51
Show		10280+3029	RAO 650	Aa,Ab	314	0.4	51
Show		10299+3025	TDS7300		108	0.5	59
Show		10311+3014	LDS1243		274	8.9	64
Show		10291+2842	CVR1294		348	4.3	65
Show		10217+2955	LDS1238		15	6.9	72
Show		10326+2943	COU1126		194	0.4	74
Show		10273+3054	TDS7282	AB	158	1.6	74
Show		10318+3021	SLW 483		225	65.7	76
Show		10299+2835	STTA105		226	134.6	76
Show		10253+3058	CBL 309		113	35.1	81
Show		10302+3050	SEI 520	AB	1	7.6	81
Show		10302+3050	CTT 24	AC	351	59.1	81
Show		10302+3050	DAM2392	BD	340	13.6	81
Show		10293+3103	RAO 249		346	0.8	88
Show		10332+2903	SKF1844		345	31.2	90
Show		10331+3027	DAM2420		16	3.4	92
Show		10330+3033	LDS1246		112	6.0	93
Show		10274+2806	TDS7284		263	0.6	95
Show		10250+3117	HJ 480		71	14.8	100
Show		10219+3107	MLB 844	AB	195	2.8	110
Show		10219+3107	MLB 844	AC	259	18.7	110
Show		10207+3053	CVR1284		187	4.0	110
Show		10303+3125	A 2153		193	3.1	114
Show		10200+2834	SLW 463		238	24.4	114
Show		10199+2834	TDS 578		23	1.2	114
Show		10320+2807	BRT 24		178	4.3	115
Show		10291+2746	SLW 479		14	16.5	118
Show		10305+3130	CVR 104		255	17.3	119
Show		10196+2831	DAM2315		334	1.7	120
Show		10280+2741	KPP3816	AB	334	11.7	121
Show		10355+3030	TDS7358		100	1.4	122
Show		10358+2902	TDS 596		280	1.6	123
Show		10271+3143	A 2151		75	1.2	123
Show		10323+2759	CBL 313		266	30.4	123
Show		10375+3015	HJ 487	AB	2	13.6	123
Show		10375+3015	OPI 17	AC	290	52.5	123
Show		10353+3041	TDS7356		246	0.5	124
Show		10361+2907	LDS1248		271	16.3	124
Show		10202+2806	HJ 479		201	32.6	135
Show		10331+2751	LDS1247		351	64.9	136
Show		10375+2932	CBL 314		325	43.9	137
Show		10238+3153	CBL 308		39	39.3	139
Show		10285+3158	TDS 591		309	0.8	139
Show		10376+3001	LDS1253		163	18.4	139

WDS 10270+2941 : COMPONENTS

	A
B	pa=125.0° sep=25.93"

10270+2941 A

Componente originario normalizzato	AB	Name	HD 90441	Coord arcsec 2000	102659.53+294031.0	Mag	7.84
Spectral class	F2 (yellow-white)	PmRA	-79.00	PmDE	-19.0	SAO	81347
HIP	51158	Tycho2	1976-00867-1	HD	90441	GC	14336
BD	BD+30 2014

Tycho2

Tycho2	1976-00867-1	Pflag		RAmdeg	156.74802300	DEmdeg	29.67527148
PmRA	-76.5	PmDE	-18.7	E RAmdeg	5	E DEmdeg	5
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.18	EpDEm	1991.39
Num	10	Q RAmdeg	1.2	Q DEmdeg	1.2	Q pmRA	1.2
Q pmDE	1.1	BTmag	8.241	E BTmag	0.015	VTmag	7.835
E VTmag	0.011	Prox	287	TYC	T	HIP	51158
CCDM	A	RAdeg	156.74823389	DEdeg	29.67531500	EpRA 1990	1.39
EpDE 1990	1.60	E RAdeg	4.9	E DEdeg	4.8	Posflg
Corr	0.4

SAO

SAO	81347	DelFlag		RA1950		PmRA1950	-0.0055
DE1950		PmDE1950	-0.025	Vmag	7.8	SpType	F2
Double code		Source	70	CatNum	14336	DM	BD+30 2014
DMcomp		BDsup		HD	90441	M HD	0
GC	14336	RA1950rad	2.72349656	DE1950rad	0.52238657	PmRA2000	-0.0055
PmDE2000	-0.02

Hipparcos

Catalog	H	HIP	51158	Proxy		RAhms	10 26 59.58
DEdms	+29 40 31.1	Vmag	7.81	VarFlag		R Vmag	H
RAdeg	156.748	DEdeg	29.6753	AstroRef	A	Plx	10.14
CCDM	10270+2940	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	B	M HIP
Theta		Rho		HD	90441	BD	BD+30 2014
CD		CP		Dm number	+30 2014	VIred	0.45
SpType	F2	R SpType		Coord arcsec 2000	102659.58+294031.1

Hipparcos 2

HIP	51158	Sn	95	So	3	Nc	1
RArad	2.7357727678	DErad	0.517931987	Plx	9.97	PmRA	-73.88
PmDE	-18.5	E RArad	0.6	E DErad	0.47	E Plx	0.85
E pmRA	0.63	E pmDE	0.44	Hpmag	7.8994	E Hpmag	0.0071
SHp	0.023	VA	0	BV	0.37	E BV	0.01
VI	0.43

10270+2941 B

Componente originario normalizzato	AB		Coord arcsec 2000	102701.16+294016.1		Mag	10.28		PmRA	-75.00
PmDE	-7.0		HIP	51162		Calc delta mag	2.44		Calc coord	yes

Hipparcos

Catalog	H	HIP	51162	Proxy		RAhms	10 27 01.46
DEdms	+29 40 16.1	Vmag	10.37	VarFlag		R Vmag	H
RAdeg	156.756	DEdeg	29.6711	AstroRef	B	Plx	-10.51
CCDM	10270+2940	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	I	Qual	B	M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	0.72
SpType		R SpType		Coord arcsec 2000	102701.46+294016.1

Hipparcos 2

HIP	51162	Sn	95	So	3	Nc	1
RArad	2.7359094571	DErad	0.5178591697	Plx	8.17	PmRA	-81.5
PmDE	-0.62	E RArad	6.21	E DErad	4.88	E Plx	8.39
E pmRA	6.45	E pmDE	5.06	Hpmag	10.6035	E Hpmag	0.0589
SHp	0	VA	0	BV	0.857	E BV	0.056
VI	0.87