21555+6519 STT 457 (NSV13966)

21^h 55^m 30.99^s +65° 19' 14.9" P.A. 246.00 sep 1.4 mag 6.01,8.17 Sp B2.5Ve dist. 314.47 pc (1025.8 l.y.)

Coord 2000	21555+6519	Discov num	STT 457	Comp		Coord arcsec 2000	21 55 30.99 +65 19 14.9
Date first	1847	Date last	2016	Obs	34
Pa first	243	Pa last	246.4	P.A. Now (θ)	246.4°
Sep first	1.1	Sep last	1.357	Sep. Now (ρ)	1.357"
Mag pri	6.01	Mag sec	8.17	delta mag (ΔM)	2.16	Spectral class	B2.5Ve (blue-white)
Pri motion ra	+011	Sec motion ra	+011
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV13966	Constellation	Cepheus	SAO	19742	HIP	108226
Tycho2	4270-03600-1	Gaia DR2	2219161021474452736	HD	208682	HR	8375
GC	30712	ADS	15467	BD	BD+64 1607	Distance	314.47
Distance ly	1025.8

WDS 21555+6519 STT 457 (NSV13966) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		cited in ADS (Aitken Double Star Cat., 1932)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21555+6519	STT 457		2004	28	245	1.3	6.01	8.17	B2.5Ve	D	215530.99+651914.9
21555+6519	STT 457		2008	30	246	1.3	6.01	8.17	B2.5Ve	D	215530.99+651914.9
21555+6519	STT 457		2011	31	245	1.3	6.01	8.17	B2.5Ve	D	215530.99+651914.9
21555+6519	STT 457		2016	32	246	1.4	6.01	8.17	B2.5Ve		215530.99+651914.9

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

WDS 21555+6519 STT 457 (NSV13966) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21555+6519 STT 457 (NSV13966) : MEASURES

No records found.

WDS 21555+6519 (NSV13966) : 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 21555+6519 (NSV13966) : ALADIN DSS IMAGE @ 21^h 55^m 30.99^s +65° 19' 14.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21555+6519 STT 457 (NSV13966) : 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		21555+6519	STT 457		246	1.4
Show		21559+6525	STI1073		222	11.1	6
Show		21569+6533	KPP4259		17	52.4	17
Show		21529+6523	STI1067		273	11.6	18
Show		21554+6500	TVB 7		27	15.7	18
Show		21561+6539	HU 974		101	4.5	21
Show		21554+6540	HU 1314		211	0.1	21
Show		21533+6535	GII 11		52	6.2	22
Show		21530+6536	GII 10		173	9.3	23
Show		21526+6535	GII 9		346	9.0	25
Show		21520+6508	STI1066		3	4.1	25
Show		21531+6458	MLR 75		141	1.0	27
Show		21526+6458	TDT3214		9	1.0	29
Show		21518+6453	STF2844		260	11.9	35
Show		21516+6545	STF2843	AB	150	1.4	36
Show		21516+6545	STF2843	AC	277	54.7	36
Show		21498+6514	MLR 74		264	0.9	37
Show		21559+6441	STI1072		172	12.0	39
Show		22005+6445	SMA 157		82	20.5	47
Show		21587+6434	HJ 1713		125	18.7	50
Show		21584+6432	TDT3266		280	1.6	51
Show		21590+6605	TDT3273		6	0.4	51
Show		21572+6609	ARY 43		127	101.0	52
Show		22022+6550	MLB 309		151	5.3	52
Show		22022+6436	TDS1152		324	0.8	61
Show		22038+6551	MLB 271		140	3.5	61
Show		22048+6539	HU 977		313	0.3	61
Show		21595+6620	MLB1095		100	11.2	65
Show		21459+6548	HJ 1696		130	17.3	66
Show		21597+6419	TDT3279		328	0.7	67
Show		22058+6539	NI 44		138	6.8	67
Show	Kurhah	22038+6438	MCA 69	Aa,Ab	102	0.1	67
Show	Kurhah	22038+6438	STF2863	AB	275	7.9	67
Show	Kurhah	22038+6438	STF2863	AC	208	112.7	67
Show		21559+6626	CLL 17	AB	68	37.0	68
Show		21559+6626	CLL 17	AC	241	35.6	68
Show		21512+6414	ES 1921		173	4.5	71
Show		22067+6534	HDS3140		4	0.1	72
Show		21535+6408	STI1069		48	13.2	73
Show		21536+6405	TDT3218		232	1.7	76
Show		21481+6625	MLB 270		265	1.6	81
Show		21584+6359	TDT3267		59	1.0	82
Show		21591+6400	HU 975	AB	210	0.3	83
Show		21591+6400	STI1077	AB,D	145	8.3	83
Show		21591+6400	HU 975	AB,C	135	1.9	83
Show		21511+6401	STF2842		102	3.5	83
Show		21587+6359	MLB 225		258	7.1	84
Show		21591+6358	TDT3275		282	0.4	85
Show		21508+6400	MRI 57	BC	273	8.8	85
Show		21508+6400	STI1061	AB	312	8.0	85
Show		21508+6400	MRI 57	AC	292	15.9	85

WDS 21555+6519 : COMPONENTS

	A
B	pa=223.7° sep=0.75"

21555+6519 A

Componente originario normalizzato	AB	Name	NSV13966	Coord arcsec 2000	215530.99+651914.9	Mag	6.01
Spectral class	B2.5Ve (blue-white)	PmRA	11.00	PmDE	1.0	SAO	19742
HIP	108226	Tycho2	4270-03600-1	HD	208682	HR	8375
GC	30712	BD	BD+64 1607

Tycho2

Tycho2	4270-03600-1	Pflag	P	RAmdeg	328.87913560	DEmdeg	65.32080354
PmRA	10.9	PmDE	0.9	E RAmdeg	3	E DEmdeg	4
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.64	EpDEm	1991.60
Num	5	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	5.901	E BTmag	0.014	VTmag	6.005
E VTmag	0.009	Prox	13	TYC	T	HIP	108226
CCDM	A	RAdeg	328.87912722	DEdeg	65.32081111	EpRA 1990	1.68
EpDE 1990	1.67	E RAdeg	3.4	E DEdeg	3.5	Posflg	D
Corr	0.1

SAO

SAO	19742	DelFlag		RA1950		PmRA1950	0.0008
DE1950		PmDE1950	0.008	Vmag	5.9	SpType	B2
Double code		Source	70	CatNum	30712	DM	BD+64 1607
DMcomp		BDsup		HD	208682	M HD	0
GC	30712	RA1950rad	5.73430152	DE1950rad	1.13591275	PmRA2000	0.0011
PmDE2000	0.003

Hipparcos

Catalog	H	HIP	108226	Proxy	H	RAhms	21 55 30.99
DEdms	+65 19 14.9	Vmag	5.84	VarFlag	1	R Vmag	G
RAdeg	328.879	DEdeg	65.3208	AstroRef	A	Plx	2.71
CCDM	21555+6519	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	246	Rho	1.308	HD	208682	BD	BD+64 1607
CD		CP		Dm number	+64 1607	VIred	-0.08
SpType	B2.5Ve	R SpType		Coord arcsec 2000	215530.99+651914.9

Hipparcos 2

HIP	108226	Sn	15	So	3	Nc	2
RArad	5.740023642	DErad	1.1400632413	Plx	3.18	PmRA	6.3
PmDE	-1.07	E RArad	0.34	E DErad	0.33	E Plx	0.39
E pmRA	0.46	E pmDE	0.45	Hpmag	5.8832	E Hpmag	0.0013
SHp	0.01	VA	2	BV	-0.037	E BV	0.033
VI	-0.08

CCDM

Ccdm	21555+6519	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.91	DDEs	15.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	5.9	Sp	B2	PmNote	*
PmRA	-1	PmDE	8	Dm number	+64 1607	Cat1	BD
Name2	+65 1159	Cat2	AGK2/3	HD	208682	M HD
ADS BDS	A15467	M ADS BDS		N IDS		IDS	21529N6450A
HIC	108226

21555+6519 B

Componente originario normalizzato	AB		Coord arcsec 2000	215530.91+651914.4		Mag	8.17		PmRA	11.00
PmDE	1.0		Tycho2	4270-03600-2		Calc delta mag	2.16		Calc coord	yes

Tycho2

Tycho2	4270-03600-2	Pflag	P	RAmdeg	328.87913560	DEmdeg	65.32080354
PmRA	10.9	PmDE	0.9	E RAmdeg	3	E DEmdeg	4
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.64	EpDEm	1991.60
Num	5	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	8.152	E BTmag	0.017	VTmag	8.171
E VTmag	0.013	Prox	13	TYC		HIP	108226
CCDM	B	RAdeg	328.87831361	DEdeg	65.32065778	EpRA 1990	1.71
EpDE 1990	1.62	E RAdeg	5.3	E DEdeg	6.1	Posflg	D
Corr	0.0

CCDM

Ccdm	21555+6519	RComp		Comp	B	Note1
Note2		Discov num	STT 457	DRAs		DDEs
R dRAs		Year	1848	Theta	247	Rho	1.4
Obs	13	Vmag	8.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A15467	M ADS BDS		N IDS		IDS	21529N6450B
HIC	108226