21523+6306 STF 2845 AB (HD 208185)

21^h 52^m 20.95^s +63° 06' 04.5" P.A. 173.00 sep 2.0 mag 8.07,8.20 Sp B2V dist. 746.27 pc (2434.33 l.y.)

Coord 2000	21523+6306	Discov num	STF2845	Comp	AB	Coord arcsec 2000	21 52 20.95 +63 06 04.5
Date first	1828	Date last	2022	Obs	39
Pa first	172	Pa last	173	P.A. Now (θ)	173°
Sep first	2.0	Sep last	2	Sep. Now (ρ)	2"
Mag pri	8.07	Mag sec	8.20	delta mag (ΔM)	0.13	Spectral class	B2V (blue-white)
Pri motion ra	+000	Sec motion ra	+000
Pri motion dec	-001	Sec motion dec	-001
Notes

Nature of this double is uncertain.

21523+6306 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 208185	19694	21 52 21 +63 06 04	STF 2845 AB	2022	39	173	2.0	8.07	8.20	0.13		<===
Show		19694	21 52 21 +63 06 04	MAD 12 AC	2015	6	207	35.4	8.07	11.38	3.31

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 208185	Constellation	Cepheus	SAO	19694	HIP	107961
Tycho2	4266-02714-1	Gaia DR2	2216498416630401664	HD	208185	GC	30642
BD	BD+62 1992	Distance	746.27	Distance ly	2434.33

WDS 21523+6306 STF 2845 AB (HD 208185) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Mad1835	Ma -	Beer & Maedler	1835AN.....12..265B
Mad1835	+orb	AN 12, 265, 1835
Mad1836	orb -	Maedler, J.H.	1836AN.....13....9M
Mad1836		AN 13, 9, #289, 1836
Mad1836b	Ma -	Maedler, J.H.	1836AN.....13..247M
Mad1836b		AN 13, 247, 1836
Mad1836c	Ma -	Maedler, J.H.	1836AN.....13..259M
Mad1836c		AN 13, 259, 1836
Mad1836d	orb -	Maedler, J.H.	1836AN.....14...75M
Mad1836d		AN 14, 75, 1836
Mad1837	orb -	Maedler, J.H.	1837AN.....14..109M
Mad1837		AN 14, 109, #319, 1837
Mad1837b	Ma -	Maedler, J.H.	1837AN.....14..183M
Mad1837b		AN 14, 183, 1837
Mad1838	orb -	Maedler, J.H.	1838AN.....15..151M
Mad1838		AN 15, 151, 1838
Mad1839	orb -	Maedler, J.H.	1839AN.....16...33M
Mad1839		AN 16, 33, #363, 1839
Mad1840	-	Maedler, J.H.	.
Mad1840		Beob. K. Sternw. Berlin, 1, 142, 1840
Mad1842a	Ma -	Maedler, J.H.	.
Mad1842a	+orb	Dorpat Observations 9, 37, 1842
Mad1842b	orb -	Maedler, J.H.	1842AN.....19..201M
Mad1842b	+Ma	AN 19, 201, 1842
Mad1843	Ma -	Maedler, J.H.	.
Mad1843		Dorpat Observations 10, 29, 1843
Mad1843b	Ma j	Maedler, J.H.	1843AN.....21..147M
Mad1843b		AN 21, 147, 1843
Mad1844	Ma -	Maedler, J.H.	.
Mad1844		Dorpat Observations 11, 3, 1844
Mad1844b	Ma -	Maedler, J.H.	1844AN.....22...27M
Mad1844b		AN 22, 27, 1844
Mad1845	Ma -	Maedler, J.H.	.
Mad1845		Dorpat Observations 11, 95, 1845
Mad1848	orb -	Maedler, J.H.	.
Mad1848		Unt. uber die Fixstern-Systeme, 1848
Mad1852A	Ma -	Maedler, J.H.	.
Mad1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
Mad1856	Ma -	Maedler, J.H.	.
Mad1856	+orb	Dorpat Observations 13, 1, 1856
Mad1859	Ma -	Maedler, J.H.	.
Mad1859		Dorpat Observations 15, 1, 1859
Mad1875A	Ma -	Maedler, J.H.	1875AN.....85..323D
Mad1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
Mad1878A	Ma -	Maedler, J.H.	1878Obs.....2..183G
Mad1878A		cited by Gledhill (Obs 2, 183, 1878)
Mad1879A	orb -	Maedler, J.H.	1879QB821.C95......
Mad1879A		cited by Crossley et al (Handbook of Double Stars, 1879), 304
Mad1880A	Ma -	Maedler, J.H.	1880Obs.....3..382G
Mad1880A		cited by Gledhill (Obs 3, 382, 1880)
Mad1880B	Ma -	Maedler, J.H.	1880Obs.....3..352G
Mad1880B		cited by Gledhill (Obs 3, 352, 1880)
Mad1884A	Ma -	Maedler, J.H.	1884AReg...22..216S
Mad1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Mad1896A	orb -	Maedler, J.H.	1896QB421.S5.......
Mad1896A		cited by See (Evolution of Stellar Systems, v1, 1896)
Mad1906A	Ma -	Maedler, J.H.	1906MmRAS..56....1L
Mad1906A		cited by Lewis (MemRAS 56, 1, 1906)
Mad1906B	Ma -	Maedler, J.H.	1906QB821.B972.....
Mad1906B		cited in BDS (Burnham Double Star Cat., 1906)
Mad1914A	Ma -	Maedler, J.H.	1914AN....198..107R
Mad1914A		cited by Rabe (AN 198, 107, 1914)
Mad1937A	Ma -	Maedler, J.H.	1937AnLei..18....1S
Mad1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
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
21523+6306	STF2845	AB	2005	35	173	2.0	8.07	8.20	B2V	D	215220.95+630604.5
21523+6306	STF2845	AB	2009	37	173	2.0	8.07	8.20	B2V	D	215220.95+630604.5
21523+6306	STF2845	AB	2016	36	173	2.0	8.07	8.20	B2V		215220.95+630604.5
21523+6306	STF2845	AB	2022	39	173	2.0	8.07	8.20	B2V		215220.95+630604.5

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

WDS 21523+6306 STF 2845 AB (HD 208185) : VISUAL OBSERVATIONS REPORTS

Show	date	username	difficulty	separation	pa_estim	interest	notes
Show	22/08/14	daedalus1	mean difficulty	separated	173		Seeing: Pickering 4, poor. Measures: theta 173, rho 2.0 +/- 0.0. C component easily visible.

WDS 21523+6306 STF 2845 AB (HD 208185) : MEASURES

No records found.

WDS 21523+6306 (HD 208185) : 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 21523+6306 (HD 208185) : ALADIN DSS IMAGE @ 21^h 52^m 20.95^s +63° 06' 04.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21523+6306 STF 2845 AB (HD 208185) : 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		21523+6306	STF2845	AB	173	2.0
Show		21523+6306	MAD 12	AC	207	35.4
Show		21520+6258	MLB 178		325	4.5	9
Show		21514+6251	LDS5933		333	2.4	16
Show		21492+6312	HEI 290		7	1.2	22
Show		21538+6241	PET 12		169	1.6	27
Show		21544+6330	STI1071		74	8.2	28
Show		21490+6323	MLB 177		57	2.6	29
Show		21538+6237	PET 13	CE	290	1.2	31
Show		21538+6237	S 800	AB	145	62.8	31
Show		21538+6237	ES 144	AC	278	20.5	31
Show		21538+6237	PET 13	Aa,Ab	212	0.1	31
Show		21540+6237	PET 14		94	0.5	32
Show		21534+6235	STI1068		56	10.3	32
Show		21538+6237	ES 144	BD	43	23.6	32
Show		21546+6234	PET 15		15	2.6	36
Show		21565+6334	STI1074		60	7.3	40
Show		21466+6305	KPP4247		34	1.9	40
Show		21474+6245	WIS 354		6	69.0	40
Show		21569+6242	ES 145	AB	204	2.8	41
Show		21569+6242	ES 145	AC	238	18.8	41
Show		21567+6338	WRH 36		175	0.1	43
Show		21464+6250	STI1049		90	4.5	44
Show		21481+6230	ES 1858	AB	227	6.5	47
Show		21481+6230	ES 1858	AC	33	17.8	47
Show		21552+6217	TDT3239		89	0.8	54
Show		21508+6400	STI1061	AB	312	8.0	56
Show		21508+6400	MRI 57	AC	292	15.9	56
Show		21508+6400	MRI 57	BC	273	8.8	56
Show		21511+6401	STF2842		102	3.5	56
Show		21505+6401	ES 1920		152	4.6	56
Show		21564+6216	HU 973		124	0.2	58
Show		21493+6401	TDT3177		89	0.4	59
Show		21536+6405	TDT3218		232	1.7	60
Show		21521+6206	KR 56		299	4.7	60
Show		22009+6250	HU 976		57	1.6	61
Show		21447+6233	FYM 281		278	4.1	63
Show		21535+6408	STI1069		48	13.2	63
Show		21470+6214	STI1050		11	7.5	64
Show		21449+6228	MLR 16	AB	34	17.8	65
Show		21449+6228	TRN 33	AC	75	3.0	65
Show		21449+6228	CIA 43	Aa,Ab	-1	-1.0	65
Show		21439+6336	STF2827	BC	319	0.8	65
Show		21439+6336	STF2827	A,BC	198	5.9	65
Show		21584+6359	TDT3267		59	1.0	68
Show		22007+6229	KUI 110		222	1.0	68
Show		21587+6359	MLB 225		258	7.1	68
Show		21512+6414	ES 1921		173	4.5	69
Show		21549+6159	OSO 161	AB	335	14.8	70
Show		21549+6159	OSO 161	AC	36	21.8	70
Show		21549+6159	OSO 161	AD	19	19.8	70

WDS 21523+6306 : COMPONENTS

	A	B
B	pa=176.8° sep=1.99"
C	pa=192.9° sep=32.42"	pa=193.9° sep=30.52"

21523+6306 A

Name	HD 208185	Coord arcsec 2000	215220.95+630604.5	Mag	8.07	Spectral class	B2V (blue-white)
PmRA	0.00	PmDE	-1.0	SAO	19694	HIP	107961
Tycho2	4266-02714-1	HD	208185	GC	30642	BD	BD+62 1992

Tycho2

Tycho2	4266-02714-1	Pflag	P	RAmdeg	328.08736118	DEmdeg	63.10100907
PmRA	0.1	PmDE	-1.2	E RAmdeg	6	E DEmdeg	6
E pmRA	3.3	E pmDE	3.6	EpRAm	1991.60	EpDEm	1991.65
Num	3	Q RAmdeg	0.0	Q DEmdeg	1.0	Q pmRA	0.0
Q pmDE	1.1	BTmag	8.161	E BTmag	0.017	VTmag	8.071
E VTmag	0.012	Prox	20	TYC	T	HIP	107961
CCDM	A	RAdeg	328.08728861	DEdeg	63.10125444	EpRA 1990	1.65
EpDE 1990	1.67	E RAdeg	5.5	E DEdeg	5.5	Posflg	D
Corr	0.0

SAO

SAO	19694	DelFlag		RA1950		PmRA1950	-0.0003
DE1950		PmDE1950	0	Vmag	7.7	SpType	B3
Double code		Source	70	CatNum	30642	DM	BD+62 1992
DMcomp		BDsup		HD	208185	M HD	0
GC	30642	RA1950rad	5.72008905	DE1950rad	1.09720506	PmRA2000	0
PmDE2000	-0.005

Hipparcos

Catalog	H	HIP	107961	Proxy	H	RAhms	21 52 20.95
DEdms	+63 06 04.5	Vmag	7.38	VarFlag		R Vmag	G
RAdeg	328.087	DEdeg	63.1013	AstroRef	A	Plx	1.89
CCDM	21523+6306	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	173	Rho	1.986	HD	208185	BD	BD+62 1992
CD		CP		Dm number	+62 1992	VIred	0.13
SpType	B2V	R SpType		Coord arcsec 2000	215220.95+630604.5

Hipparcos 2

HIP	107961	Sn	15	So	3	Nc	2
RArad	5.7262034648	DErad	1.1013246286	Plx	1.34	PmRA	-1.4
PmDE	-1.59	E RArad	0.63	E DErad	0.81	E Plx	0.84
E pmRA	0.7	E pmDE	0.83	Hpmag	7.4204	E Hpmag	0.0012
SHp	0.01	VA	0	BV	0.12	E BV	0.01
VI	0.13

CCDM

Ccdm	21523+6306	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.94	DDEs	3.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.4	Sp	B3	PmNote	*
PmRA	-9	PmDE	5	Dm number	+62 1992	Cat1	BD
Name2	+62 1278	Cat2	AGK2/3	HD	208185	M HD
ADS BDS	A15417	M ADS BDS		N IDS		IDS	21496N6237A
HIC	107961

21523+6306 B

Coord arcsec 2000	215220.97+630602.5		Mag	8.2		PmRA	0.00		PmDE	-1.0
Tycho2	4266-02714-2		Calc delta mag	0.13		Calc coord	yes

Tycho2

Tycho2	4266-02714-2	Pflag	P	RAmdeg	328.08736118	DEmdeg	63.10100907
PmRA	0.1	PmDE	-1.2	E RAmdeg	6	E DEmdeg	6
E pmRA	3.3	E pmDE	3.6	EpRAm	1991.60	EpDEm	1991.65
Num	3	Q RAmdeg	0.0	Q DEmdeg	1.0	Q pmRA	0.0
Q pmDE	1.1	BTmag	8.292	E BTmag	0.016	VTmag	8.202
E VTmag	0.013	Prox	20	TYC	T	HIP	107961
CCDM	B	RAdeg	328.08745111	DEdeg	63.10070778	EpRA 1990	1.64
EpDE 1990	1.68	E RAdeg	6.0	E DEdeg	6.0	Posflg	D
Corr	0.0

CCDM

Ccdm	21523+6306	RComp		Comp	B	Note1
Note2		Discov num	STF2845	DRAs		DDEs
R dRAs		Year	1832	Theta	172	Rho	2.1
Obs	12	Vmag	8.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A15417	M ADS BDS		N IDS		IDS	21496N6237B
HIC	107961

21523+6306 C

Coord arcsec 2000	215219.89+630532.9		Mag	11.38		PmRA	-4.00		PmDE	-3.0
Calc delta mag	3.31		Calc coord	yes