19370+6350 STF 2564 (HD 185855)

19^h 37^m 00.47^s +63° 49' 48.1" P.A. 146.00 sep 9.2 mag 9.23,10.68 Sp G5

Coord 2000	19370+6350	Discov num	STF2564	Comp		Coord arcsec 2000	19 37 00.47 +63 49 48.1
Date first	1832	Date last	2017	Obs	49
Pa first	184	Pa last	145.6	P.A. Now (θ)	145.6°
Sep first	10.8	Sep last	9.193	Sep. Now (ρ)	9.193"
Mag pri	9.23	Mag sec	10.68	delta mag (ΔM)	1.45	Spectral class	G5 (yellow)
Pri motion ra	-033	Sec motion ra	-004
Pri motion dec	-011	Sec motion dec	+003
Notes	N L (See Notes, Linear solution)

rPM=0.926

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 185855		Constellation	Draco		SAO	18438		Tycho2	4238-02042-1
Gaia DR2	2242252552361239168		HD	185855		GC	27181

WDS 19370+6350 STF 2564 (HD 185855) : NOTES

discov_num	notes	refcode
STF2564	Mt. Wilson spectral types are F2s and A8n.

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
19370+6350	STF2564		2007	25	148	9.2	9.23	10.68	G5	NLD	193700.47+634948.1
19370+6350	STF2564		2008	26	148	9.2	9.23	10.68	G5	NLD	193700.47+634948.1
19370+6350	STF2564		2010	28	147	9.2	9.23	10.68	G5	NLD	193700.47+634948.1
19370+6350	STF2564		2015	34	146	9.2	9.23	10.68	G5	NL	193700.47+634948.1
19370+6350	STF2564		2017	35	146	9.2	9.23	10.68	G5	NL	193700.47+634948.1

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

WDS 19370+6350 STF 2564 (HD 185855) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19370+6350 STF 2564 (HD 185855) : MEASURES

No records found.

WDS 19370+6350 (HD 185855) : VIRTUAL EYEPIECE

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

WDS 19370+6350 (HD 185855) : ALADIN DSS IMAGE @ 19^h 37^m 00.47^s +63° 49' 48.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19370+6350 STF 2564 (HD 185855) : 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		19370+6350	STF2564		146	9.2
Show		19376+6344	MLR 56	AB	33	0.1	8
Show		19376+6344	MLR 56	AB,C	36	17.7	8
Show		19386+6329	HDS2787		141	0.1	24
Show		19374+6319	CVR 216		307	19.4	31
Show		19344+6313	STI 902		148	16.3	42
Show		19308+6337	HU 951		197	0.2	44
Show		19407+6428	TDT1623		181	0.5	46
Show		19301+6342	STI 900		27	6.5	48
Show		19312+6319	BU 655	AB	328	2.1	50
Show		19312+6319	STF2549	AD	269	55.8	50
Show		19312+6319	STF2549	AC	284	28.3	50
Show		19312+6319	GUI 24	AE	241	153.1	50
Show		19312+6319	STF2549	DC	76	29.2	51
Show		19312+6319	GUI 24	DE	226	107.8	51
Show		19444+6406	STI 915		153	5.9	51
Show		19299+6324	TDT1500		289	2.1	54
Show		19432+6431	TDT1672		99	0.5	58
Show		19285+6335	LDS2437		37	32.0	59
Show		19343+6250	ES 1848		318	6.7	63
Show		19388+6456	ES 198		313	2.9	68
Show		19412+6249	LDS2778		36	14.3	68
Show		19299+6300	ES 1847		226	3.4	69
Show		19472+6403	RAO 613		203	0.2	69
Show		19471+6411	TDT1742		97	1.6	70
Show		19476+6403	ES 1917		340	8.0	72
Show		19260+6353	DAL 26		302	18.4	73
Show		19365+6503	ES 197		24	9.1	74
Show		19406+6240	STF2574		94	0.6	74
Show		19341+6232	LDS2772		113	23.1	80
Show		19456+6447	NSN 722		188	1.2	81
Show		19362+6514	TDT1573		314	0.9	85
Show		19481+6438	J 1354		189	3.5	85
Show		19473+6441	ES 199		168	7.0	86
Show		19431+6506	TDT1667		332	0.8	87
Show		19480+6304	STI 926		319	10.2	88
Show		19470+6253	LDS2781		96	5.3	88
Show		19242+6414	LDS2434		316	13.0	88
Show		19506+6359	TDT1797		168	0.8	90
Show		19508+6400	STI 931		19	15.9	93
Show		19510+6353	UC 4038		338	11.4	93
Show		19494+6306	LDS2782		327	7.0	94
Show		19468+6238	BVD 334		83	8.1	98
Show		19230+6323	STI 894		327	11.0	98
Show		19237+6437	ES 1916		228	6.3	99
Show		19222+6403	STI 892		189	3.5	99
Show		19330+6526	CLZ 77		233	17.5	101
Show		19340+6532	SKF2803		115	37.0	104
Show		19396+6207	LDS2777		286	70.4	104
Show		19213+6412	STI 890		148	4.9	106
Show		19528+6337	MLR 51		243	1.3	106

WDS 19370+6350 : COMPONENTS

	A
B	pa=163.2° sep=7.92"

19370+6350 A

Componente originario normalizzato	AB	Name	HD 185855	Coord arcsec 2000	193700.47+634948.1	Mag	9.23
Spectral class	G5 (yellow)	PmRA	-33.00	PmDE	-11.0	SAO	18438
Tycho2	4238-02042-1	HD	185855	GC	27181	DM	BD+63 1542

Tycho2

Tycho2	4238-02042-1	Pflag		RAmdeg	294.25197391	DEmdeg	63.83003926
PmRA	-29.2	PmDE	-10.9	E RAmdeg	12	E DEmdeg	11
E pmRA	2.5	E pmDE	2.5	EpRAm	1991.43	EpDEm	1991.46
Num	4	Q RAmdeg	1.2	Q DEmdeg	1.5	Q pmRA	1.2
Q pmDE	1.4	BTmag	9.657	E BTmag	0.023	VTmag	9.233
E VTmag	0.019	Prox	91	TYC	T	HIP
CCDM		RAdeg	294.25212639	DEdeg	63.83006417	EpRA 1990	1.72
EpDE 1990	1.72	E RAdeg	11.8	E DEdeg	11.4	Posflg
Corr	-0.1

SAO

SAO	18438	DelFlag		RA1950		PmRA1950	-0.0059
DE1950		PmDE1950	0.003	Vmag	8.7	SpType	G5
Double code		Source	70	CatNum	27181	DM	BD+63 1542
DMcomp		BDsup		HD	185855	M HD	0
GC	27181	RA1950rad	5.13349168	DE1950rad	1.11205798	PmRA2000	-0.0053
PmDE2000	0

CCDM

Ccdm	19370+6350	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.37	DDEs	-11.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	G5	PmNote	*
PmRA	-41	PmDE	2	Dm number	+63 1542	Cat1	BD
Name2	18438	Cat2	SAO	HD	185855	M HD
ADS BDS	A12730	M ADS BDS		N IDS		IDS	19360N6336A
HIC

19370+6350 B

Componente originario normalizzato	AB		Coord arcsec 2000	193700.82+634940.5		Mag	10.68		PmRA	-4.00
PmDE	3.0		Tycho2	4238-02043-1		Calc delta mag	1.45		Calc coord	yes

Tycho2

Tycho2	4238-02043-1	Pflag		RAmdeg	294.25487899	DEmdeg	63.82785090
PmRA	-1.8	PmDE	3.6	E RAmdeg	35	E DEmdeg	35
E pmRA	3.7	E pmDE	3.6	EpRAm	1990.58	EpDEm	1990.54
Num	3	Q RAmdeg	2.0	Q DEmdeg	0.1	Q pmRA	2.1
Q pmDE	0.1	BTmag	10.944	E BTmag	0.054	VTmag	10.675
E VTmag	0.059	Prox	91	TYC	T	HIP
CCDM		RAdeg	294.25488833	DEdeg	63.82784250	EpRA 1990	1.71
EpDE 1990	1.71	E RAdeg	34.8	E DEdeg	35.0	Posflg
Corr	-0.1

CCDM

Ccdm	19370+6350	RComp		Comp	B	Note1
Note2		Discov num	STF2564	DRAs		DDEs
R dRAs		Year	1935	Theta	164	Rho	9.1
Obs	16	Vmag	10.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A12730	M ADS BDS	N	N IDS		IDS	19360N6336B
HIC