04160+0027 STF 517 (HD 26991)

04^h 16^m 01.44^s +00° 27' 13.9" P.A. 7.00 sep 3.2 mag 7.39,9.26 Sp A1V dist. 116.69 pc (380.64 l.y.)

Coord 2000	04160+0027	Discov num	STF 517	Comp		Coord arcsec 2000	04 16 01.44 +00 27 13.9
Date first	1827	Date last	2017	Obs	42
Pa first	23	Pa last	6.6	P.A. Now (θ)	6.6°
Sep first	3.0	Sep last	3.248	Sep. Now (ρ)	3.248"
Mag pri	7.39	Mag sec	9.26	delta mag (ΔM)	1.87	Spectral class	A1V (white)
Pri motion ra	+024	Sec motion ra	+024
Pri motion dec	-022	Sec motion dec	-022
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 26991	Constellation	Taurus	SAO	111705	HIP	19892
Tycho2	0074-01468-1	Gaia DR2	3255252986058161408	HD	26991	GC	5153
BD	BD+00 721	Distance	116.69	Distance ly	380.64

WDS 04160+0027 STF 517 (HD 26991) : 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
04160+0027	STF 517		1997	35	10	3.3	7.39	9.26	A1V	D	041601.44+002713.9
04160+0027	STF 517		2009	36	9	3.0	7.39	9.26	A1V	D	041601.44+002713.9
04160+0027	STF 517		2012	40	8	3.3	7.39	9.26	A1V	D	041601.44+002713.9
04160+0027	STF 517		2017	41	7	3.2	7.39	9.26	A1V		041601.44+002713.9

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

WDS 04160+0027 STF 517 (HD 26991) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04160+0027 STF 517 (HD 26991) : MEASURES

No records found.

WDS 04160+0027 (HD 26991) : 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 04160+0027 (HD 26991) : ALADIN DSS IMAGE @ 04^h 16^m 01.44^s +00° 27' 13.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04160+0027 STF 517 (HD 26991) : 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		04160+0027	STF 517		7	3.2
Show		04165+0041	J 1458		74	6.2	16
Show		04180-0031	SKF 848		182	38.8	31
Show		04132+0028	UC 1133		148	14.9	43
Show		04123+0010	LDS3562		108	1.5	57
Show		04122+0044	STF 510		303	10.4	61
Show		04156+0129	KPP 554		92	5.2	63
Show		04126+0103	GWP 561		296	8.1	63
Show		04144+0140	HDS 538		78	0.2	77
Show		04215-0006	HO 329	AB	50	45.4	85
Show		04215-0006	HO 329	AC	284	198.8	85
Show		04189+0146	STTA 49		324	102.7	90
Show		04097+0006	GRV 207		180	38.3	97
Show		04176+0211	BAL1265		226	9.5	107
Show		04089-0028	TDS2759		88	0.6	107
Show		04102+0129	BAL1264		215	11.2	108
Show		04189+0210	BAL1266		84	4.3	112
Show		04234-0007	HO 330		20	1.9	113
Show		04198+0206	BAL1267		223	6.4	114
Show		04092+0126	J 236	AB	222	4.1	120
Show		04097+0141	KPP1247		267	9.6	121
Show		04205-0119	RST4769		22	0.3	126
Show		04139+0229	GWP 566		153	13.2	127
Show		04080+0119	HJ 2223		200	18.5	132
Show		04134-0139	MCT 4		176	0.7	133
Show		04113+0219	HDS 532		277	0.9	133
Show		04248+0107	FMR 66		107	25.8	138
Show		04243+0127	BAL1268	BC	317	1.1	139
Show		04243+0127	BAL1268	AB	337	3.4	139
Show		04243+0127	BAL1268	AC	332	4.5	139
Show		04073+0113	SKF1943		105	3.3	140
Show		04166+0247	A 2618		11	1.2	141
Show		04191+0240	BAL1642		275	19.5	141
Show		04066+0003	TDS 128		125	1.4	143
Show		04231-0117	BU 402	AB	76	9.6	150
Show		04231-0117	BU 402	AC	110	31.6	150
Show		04254+0118	HJ 677		110	5.0	150
Show		04134+0252	STF 515		39	3.1	151
Show		04094-0125	BAL 290		289	5.9	151
Show		04247+0152	BAL1269		44	7.0	156
Show		04236+0215	SHN 87		-1	0.3	158
Show		04067+0141	VSP 12	Aa,Ab	206	4.2	159
Show		04265-0008	LDS3586		178	8.7	160
Show		04051-0026	GWP 547		208	166.9	164
Show		04079+0216	BVD 42		143	47.2	164
Show		04045+0015	SKF1436		354	10.2	174
Show		04254+0221	HJ 2230		325	34.7	182
Show		04084+0249	GWP 554		342	68.9	183
Show		04259-0124	STF 547	CD	228	24.9	183
Show		04039-0003	KPP2181		354	17.9	183
Show		04198-0228	BAL 29		194	12.0	184

WDS 04160+0027 : COMPONENTS

	A
B	pa=6.6° sep=3.25"

04160+0027 A

Componente originario normalizzato	AB	Name	HD 26991	Coord arcsec 2000	041601.44+002713.9	Mag	7.39
Spectral class	A1V (white)	PmRA	24.00	PmDE	-22.0	SAO	111705
HIP	19892	Tycho2	0074-01468-1	HD	26991	GC	5153
BD	BD+00 721

Tycho2

Tycho2	0074-01468-1	Pflag		RAmdeg	64.00598461	DEmdeg	0.45386262
PmRA	20.2	PmDE	-37.2	E RAmdeg	5	E DEmdeg	7
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.48	EpDEm	1990.60
Num	10	Q RAmdeg	0.8	Q DEmdeg	4.7	Q pmRA	0.8
Q pmDE	4.7	BTmag	7.426	E BTmag	0.016	VTmag	7.386
E VTmag	0.013	Prox	34	TYC	T	HIP	19892
CCDM	A	RAdeg	64.00593889	DEdeg	0.45394639	EpRA 1990	1.86
EpDE 1990	1.55	E RAdeg	4.9	E DEdeg	7.3	Posflg
Corr	0.2

SAO

SAO	111705	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	-0.025	Vmag	7.2	SpType	A0
Double code		Source	70	CatNum	5153	DM	BD+00 721
DMcomp		BDsup		HD	26991	M HD	0
GC	5153	RA1950rad	1.10590045	DE1950rad	0.00577141	PmRA2000	0.0019
PmDE2000	-0.027

Hipparcos

Catalog	H	HIP	19892	Proxy	H	RAhms	04 16 01.42
DEdms	+00 27 14.2	Vmag	7.16	VarFlag		R Vmag	G
RAdeg	64.0059	DEdeg	0.453951	AstroRef	A	Plx	6.14
CCDM	04160+0027	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	9	Rho	3.3	HD	26991	BD	BD+00 721
CD		CP		Dm number	+00 721	VIred	0.1
SpType	A0	R SpType		Coord arcsec 2000	041601.42+002714.2

Hipparcos 2

HIP	19892	Sn	15	So	3	Nc	2
RArad	1.1171142814	DErad	0.0079229304	Plx	8.57	PmRA	23.99
PmDE	-21.97	E RArad	0.87	E DErad	0.62	E Plx	1.07
E pmRA	0.81	E pmDE	0.72	Hpmag	7.1952	E Hpmag	0.0012
SHp	0.007	VA	0	BV	0.086	E BV	0.002
VI	0.1

CCDM

Ccdm	04160+0027	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.40	DDEs	14.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.4	Sp	A0	PmNote	*
PmRA	2	PmDE	-24	Dm number	+00 721	Cat1	BD
Name2	+00 365	Cat2	AGK2/3	HD	26991	M HD
ADS BDS	A 3095	M ADS BDS		N IDS		IDS	04109N0012A
HIC	19892

04160+0027 B

Componente originario normalizzato	AB		Coord arcsec 2000	041601.46+002717.1		Mag	9.26		PmRA	24.00
PmDE	-22.0		Calc delta mag	1.87		Calc coord	yes

CCDM

Ccdm	04160+0027	RComp		Comp	B	Note1
Note2		Discov num	STF 517	DRAs		DDEs
R dRAs		Year	1830	Theta	012	Rho	3.4
Obs	13	Vmag	9.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 3095	M ADS BDS		N IDS		IDS	04109N0012B
HIC	19892