12002+8700 STF 1583 (HD 104147)

12^h 00^m 10.43^s +86° 59' 40.0" P.A. 283.00 sep 11.3 mag 8.10,9.29 Sp A2V dist. 289.02 pc (942.78 l.y.)

Coord 2000	12002+8700	Discov num	STF1583	Comp		Coord arcsec 2000	12 00 10.43 +86 59 40.0
Date first	1833	Date last	2017	Obs	28
Pa first	283	Pa last	282.7	P.A. Now (θ)	282.7°
Sep first	11.1	Sep last	11.29	Sep. Now (ρ)	11.29"
Mag pri	8.10	Mag sec	9.29	delta mag (ΔM)	1.19	Spectral class	A2V (white)
Pri motion ra	-038	Sec motion ra	-035
Pri motion dec	-005	Sec motion dec	-005
Notes	N (See Notes)

rPM=0.078 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 104147	Constellation	Ursa Minor	SAO	1966	HIP	58531
Tycho2	4641-00697-1	Gaia DR2	1727129705478571008	HD	104147	GC	16411
BD	BD+87 101	Distance	289.02	Distance ly	942.78

WDS 12002+8700 STF 1583 (HD 104147) : NOTES

discov_num	notes	refcode
STF1583	STT 238. B is BD+87@100.

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
12002+8700	STF1583		1999	21	284	11.2	8.10	9.29	A2V	N D	120010.43+865940.0
12002+8700	STF1583		2011	22	285	11.3	8.10	9.29	A2V	N D	120010.43+865940.0
12002+8700	STF1583		2015	27	284	11.3	8.10	9.29	A2V	N	120010.43+865940.0
12002+8700	STF1583		2017	28	283	11.3	8.10	9.29	A2V	N	120010.43+865940.0

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

WDS 12002+8700 STF 1583 (HD 104147) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12002+8700 STF 1583 (HD 104147) : MEASURES

No records found.

WDS 12002+8700 (HD 104147) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 12002+8700 (HD 104147) : ALADIN DSS IMAGE @ 12^h 00^m 10.43^s +86° 59' 40.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12002+8700 STF 1583 (HD 104147) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12002+8700	STF1583		283	11.3
Show		11446+8631	UC 2203		136	10.6	32
Show		11418+8742	LOC 350		188	1.9	45
Show		11478+8747	TDS8028		40	0.5	49
Show		11474+8532	HDS1664		96	0.3	89
Show		12106+8505	HDS1718		224	0.3	116
Show		12072+8355	MFL 39		340	6.6	186
Show		12151+8349	WFC 124		132	4.7	192
Show		11576+8346	NSN 623		179	56.6	194
Show		12144+8318	MFL 40		26	8.2	222
Show		11533+8311	LDS1743		85	54.1	229

WDS 12002+8700 : COMPONENTS

	A
B	pa=346.9° sep=2.55"

12002+8700 A

Componente originario normalizzato	AB	Name	HD 104147	Coord arcsec 2000	120010.43+865940.0	Mag	8.1
Spectral class	A2V (white)	PmRA	-38.00	PmDE	-5.0	SAO	1966
HIP	58531	Tycho2	4641-00697-1	HD	104147	GC	16411
BD	BD+87 101

Tycho2

Tycho2	4641-00697-1	Pflag		RAmdeg	180.04344950	DEmdeg	86.99443168
PmRA	-36.5	PmDE	-5.2	E RAmdeg	6	E DEmdeg	5
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.47	EpDEm	1991.48
Num	9	Q RAmdeg	1.0	Q DEmdeg	0.6	Q pmRA	1.0
Q pmDE	0.6	BTmag	8.237	E BTmag	0.016	VTmag	8.104
E VTmag	0.012	Prox	113	TYC	T	HIP	58531
CCDM	A	RAdeg	180.04503722	DEdeg	86.99444361	EpRA 1990	1.79
EpDE 1990	1.69	E RAdeg	5.5	E DEdeg	5.4	Posflg
Corr	-0.1

SAO

SAO	1966	DelFlag		RA1950		PmRA1950	-0.0468
DE1950		PmDE1950	-0.015	Vmag	7.8	SpType	A2
Double code		Source	70	CatNum	16411	DM	BD+87 101
DMcomp		BDsup		HD	104147	M HD	0
GC	16411	RA1950rad	3.13090512	DE1950rad	1.5231972	PmRA2000	-0.0433
PmDE2000	-0.01

Hipparcos

Catalog	H	HIP	58531	Proxy		RAhms	12 00 10.83
DEdms	+86 59 40.0	Vmag	8.07	VarFlag		R Vmag	H
RAdeg	180.045	DEdeg	86.9944	AstroRef	A	Plx	3.79
CCDM	12001+8700	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	A	M HIP
Theta		Rho		HD	104147	BD	BD+87 101
CD		CP		Dm number	+87 101	VIred	0.12
SpType	A2	R SpType		Coord arcsec 2000	120010.83+865940.0

Hipparcos 2

HIP	58531	Sn	95	So	3	Nc	1
RArad	3.1423802168	DErad	1.5183394908	Plx	3.46	PmRA	-37.27
PmDE	-8.11	E RArad	1.16	E DErad	1.11	E Plx	1.31
E pmRA	1.58	E pmDE	1.25	Hpmag	8.117	E Hpmag	0.0067
SHp	0.046	VA	0	BV	0.135	E BV	0.012
VI	0.15

12002+8700 B

Componente originario normalizzato	AB		Coord arcsec 2000	120009.70+865942.5		Mag	9.29		PmRA	-35.00
PmDE	-5.0		Calc delta mag	1.19		Calc coord	yes