17554+3930 STF 2246

17^h 55^m 25.08^s +39° 29' 53.5" P.A. 100.00 sep 5.5 mag 9.36,10.02 Sp G0 dist. 117.79 pc (384.23 l.y.)

Coord 2000	17554+3930	Discov num	STF2246	Comp		Coord arcsec 2000	17 55 25.08 +39 29 53.5
Date first	1831	Date last	2018	Obs	42
Pa first	103	Pa last	99.5	P.A. Now (θ)	99.5°
Sep first	5.5	Sep last	5.532	Sep. Now (ρ)	5.532"
Mag pri	9.36	Mag sec	10.02	delta mag (ΔM)	0.66	Spectral class	G0 (yellow)
Pri motion ra	-012	Sec motion ra	-005
Pri motion dec	-009	Sec motion dec	-008
Notes

rPM=0.471

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Hercules		HIP	87748		Tycho2	3093-01541-1		Gaia DR2	4611039269369259264
BD	BD+39 3269		Distance	117.79		Distance ly	384.23

WDS 17554+3930 STF 2246 : 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
17554+3930	STF2246		2006	32	100	5.4	9.36	10.02	G0	D	175525.08+392953.5
17554+3930	STF2246		2009	33	100	5.4	9.36	10.02	G0	D	175525.08+392953.5
17554+3930	STF2246		2017	35	100	5.6	9.36	10.02	G0		175525.08+392953.5
17554+3930	STF2246		2018	37	100	5.5	9.36	10.02	G0		175525.08+392953.5

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

WDS 17554+3930 STF 2246 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17554+3930 STF 2246 : MEASURES

No records found.

WDS 17554+3930 : 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 17554+3930 : ALADIN DSS IMAGE @ 17^h 55^m 25.08^s +39° 29' 53.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17554+3930 STF 2246 : 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		17554+3930	STF2246		100	5.5
Show		17562+3926	BU 417		317	1.0	10
Show		17541+3928	HLM 9		285	5.3	16
Show		17540+3936	KPP 883		102	7.4	18
Show		17537+3924	TDT 560		198	2.5	21
Show		17575+3942	COU1457		7	1.9	27
Show		17538+3951	SLW1216		359	13.9	29
Show		17525+3943	COU1302		172	4.0	37
Show		17533+4000	BU 130		110	1.6	40
Show		17592+3926	COU1458		78	0.4	45
Show		17506+3932	COU1301		86	1.8	57
Show		17496+3947	GRV 965		249	16.8	70
Show		17528+4038	TDT 552		226	1.3	75
Show		18017+4011	STF2267		280	0.4	83
Show		17512+3821	HU 1183		191	0.5	85
Show		18015+4019	HO 77		312	2.0	86
Show		17494+4028	COU1456		275	1.4	90
Show		18032+3926	MLB 851		34	6.7	91
Show		18033+3921	STF2275		124	0.3	92
Show		17523+4057	A 699		26	0.1	95
Show		17592+3806	DAM 99		86	6.4	95
Show		17553+3753	GRV 969		156	43.1	97
Show		17550+4107	UC 3444		130	12.0	97
Show		17590+4058	BRT 345		138	2.8	97
Show		17597+3807	DAM 102		111	8.8	98
Show		17487+3832	UC 3416		22	13.2	98
Show		17555+4108	COU1601	Aa,Ab	63	0.5	98
Show		17555+4108	ES 1557	AB	11	11.5	98
Show		17555+4108	ES 1557	AC	216	27.0	98
Show		17555+4108	ES 1557	AD	312	40.1	98
Show		17555+4108	ABH 92	AE	324	71.1	98
Show		17596+3804	DAM 101		80	5.1	99
Show		17594+3803	DAM 100		138	8.3	99
Show		17548+4110	RAO 605		104	0.8	100
Show		17474+4009	FMR 138		319	63.1	101
Show		17579+3741	ROE 4		164	11.3	101
Show		18040+3923	L 19		274	0.2	101
Show		18038+3857	LDS4773	AB	304	72.4	103
Show		17595+3803	ES 2478		234	4.3	104
Show		17572+4112	KPP4072		266	1.5	104
Show		17551+3745	OSO 89	AB	117	20.7	106
Show		17551+3745	OSO 89	AC	74	21.3	106
Show		17551+3745	OSO 89	AD	26	23.8	106
Show		17569+4115	STF2255		343	9.1	107
Show		17578+3744	TOB 141		356	16.8	110
Show		18018+4052	BVD 259		277	10.6	110
Show		17460+3919	STF2224	AB	349	7.9	110
Show		17460+3919	WAL 85	AC	297	69.5	110
Show		17491+4054	BVD 257		297	17.9	112
Show		18035+4032	COU1785		30	0.2	112
Show		17462+3853	COU1300		126	0.8	113

WDS 17554+3930 : COMPONENTS

	A
B	pa=102.2° sep=4.31"

17554+3930 A

Componente originario normalizzato	AB	Coord arcsec 2000	175525.08+392953.5	Mag	9.36	Spectral class	G0 (yellow)
PmRA	-12.00	PmDE	-9.0	HIP	87748	Tycho2	3093-01541-1
BD	BD+39 3269

Tycho2

Tycho2	3093-01541-1	Pflag		RAmdeg	268.85451891	DEmdeg	39.49820018
PmRA	-5.7	PmDE	-8.8	E RAmdeg	13	E DEmdeg	11
E pmRA	1.6	E pmDE	1.5	EpRAm	1990.69	EpDEm	1991.05
Num	5	Q RAmdeg	1.8	Q DEmdeg	0.2	Q pmRA	1.8
Q pmDE	0.2	BTmag	9.895	E BTmag	0.024	VTmag	9.365
E VTmag	0.019	Prox	56	TYC	T	HIP	87748
CCDM	A	RAdeg	268.85453611	DEdeg	39.49822056	EpRA 1990	1.50
EpDE 1990	1.65	E RAdeg	12.7	E DEdeg	11.1	Posflg	D
Corr	-0.1

Hipparcos

Catalog	H	HIP	87748	Proxy	H	RAhms	17 55 25.09
DEdms	+39 29 53.6	Vmag	8.9	VarFlag		R Vmag	H
RAdeg	268.855	DEdeg	39.4982	AstroRef	A	Plx	9.49
CCDM	17554+3930	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	100	Rho	5.569	HD		BD	BD+39 3269
CD		CP		Dm number	+39 3269	VIred	0.54
SpType	G0...	R SpType		Coord arcsec 2000	175525.09+392953.6

Hipparcos 2

HIP	87748	Sn	15	So	3	Nc	2
RArad	4.6923968065	DErad	0.6893740053	Plx	8.49	PmRA	-8.15
PmDE	-5.33	E RArad	0.99	E DErad	0.94	E Plx	1.15
E pmRA	1.19	E pmDE	0.96	Hpmag	9.0126	E Hpmag	0.0019
SHp	0.02	VA	0	BV	0.53	E BV	0.025
VI	0.6

CCDM

Ccdm	17554+3930	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.13	DDEs	-6.4
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp		PmNote	*
PmRA	0	PmDE	-6	Dm number	+39 3269	Cat1	BD
Name2	66474	Cat2	SAO	HD		M HD
ADS BDS	A10897	M ADS BDS		N IDS		IDS	17521N3931A
HIC	87748

17554+3930 B

Componente originario normalizzato	AB		Coord arcsec 2000	175525.44+392952.6		Mag	10.02		PmRA	-5.00
PmDE	-8.0		Tycho2	3093-01950-1		Calc delta mag	0.66		Calc coord	yes

Tycho2

Tycho2	3093-01950-1	Pflag		RAmdeg	268.85650907	DEmdeg	39.49793545
PmRA	-6.1	PmDE	-5.8	E RAmdeg	23	E DEmdeg	17
E pmRA	1.8	E pmDE	1.8	EpRAm	1989.58	EpDEm	1990.66
Num	3	Q RAmdeg	3.4	Q DEmdeg	1.0	Q pmRA	3.5
Q pmDE	1.0	BTmag	10.631	E BTmag	0.037	VTmag	10.018
E VTmag	0.030	Prox	56	TYC	T	HIP	87748
CCDM	B	RAdeg	268.85652861	DEdeg	39.49794889	EpRA 1990	1.39
EpDE 1990	1.70	E RAdeg	23.1	E DEdeg	17.3	Posflg	P
Corr	-0.1

CCDM

Ccdm	17554+3930	RComp		Comp	B	Note1
Note2		Discov num	STF2246	DRAs	1.61	DDEs	-7.4
R dRAs	90	Year	1831	Theta	102	Rho	5.5
Obs	15	Vmag	9.4	Sp		PmNote
PmRA	0	PmDE	-6	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A10897	M ADS BDS		N IDS		IDS	17521N3931B
HIC	87748