21559+6626 CLL 17 AB (HD 208743)

21^h 55^m 51.66^s +66° 26' 17.8" P.A. 68.00 sep 37.0 mag 8.62,9.60 Sp A0

Coord 2000	21559+6626	Discov num	CLL 17	Comp	AB	Coord arcsec 2000	21 55 51.66 +66 26 17.8
Date first	1893	Date last	2016	Obs	20
Pa first	68	Pa last	67.5	P.A. Now (θ)	67.5°
Sep first	36.7	Sep last	36.96	Sep. Now (ρ)	36.96"
Mag pri	8.62	Mag sec	9.60	delta mag (ΔM)	0.98	Spectral class	A0 (white)
Pri motion ra	+000	Sec motion ra	-001
Pri motion dec	-014	Sec motion dec	-014
Notes	T (Parallax indicates physical)

rPM=0.071 (< 0.3, Physical double)

This double is physical.

21559+6626 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 208743	19747	21 55 52 +66 26 18	CLL 17 AB	2016	20	68	37.0	8.62	9.60	0.98		<===
Show		19747	21 55 52 +66 26 18	CLL 17 AC	2015	16	241	35.6	8.62	9.11	0.49

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 208743		Constellation	Cepheus		SAO	19747		Tycho2	4274-01794-1
Gaia DR2	2219477027986846848		HD	208743		DM	BD+65 1683

WDS 21559+6626 CLL 17 AB (HD 208743) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cll2003	M+ j	Comellas, J.L.	...................
Cll2003	+Z	OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21559+6626	CLL 17	AB	2010	4	68	36.9	8.62	9.60		V	215551.66+662617.8
21559+6626	CLL 17	AB	2015	15	68	37.1	8.62	9.60	A0	V	215551.66+662617.8
21559+6626	CLL 17	AB	2016	20	68	37.0	8.62	9.60	A0	T	215551.66+662617.8

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

WDS 21559+6626 CLL 17 AB (HD 208743) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21559+6626 CLL 17 AB (HD 208743) : MEASURES

No records found.

WDS 21559+6626 (HD 208743) : 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 21559+6626 (HD 208743) : ALADIN DSS IMAGE @ 21^h 55^m 51.66^s +66° 26' 17.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21559+6626 CLL 17 AB (HD 208743) : 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		21559+6626	CLL 17	AB	68	37.0
Show		21559+6626	CLL 17	AC	241	35.6
Show		21572+6609	ARY 43		127	101.0	19
Show		21542+6644	LEP 103		213	4.1	21
Show		21595+6620	MLB1095		100	11.2	23
Show		21590+6605	TDT3273		6	0.4	29
Show		21511+6650	HU 972		255	0.3	38
Show		21576+6708	HJ 1711	AB	255	8.8	44
Show		21576+6708	ACA 8	AC	323	71.9	44
Show		21491+6648	STF2836	AB	155	11.8	46
Show		21491+6648	WAL 140	AC	253	64.5	46
Show		21554+6540	HU 1314		211	0.1	47
Show		21481+6625	MLB 270		265	1.6	47
Show		21561+6539	HU 974		101	4.5	47
Show		21516+6545	STF2843	AB	150	1.4	49
Show		21516+6545	STF2843	AC	277	54.7	49
Show		22022+6550	MLB 309		151	5.3	53
Show		21533+6535	GII 11		52	6.2	54
Show		21530+6536	GII 10		173	9.3	54
Show		21569+6533	KPP4259		17	52.4	54
Show		21526+6535	GII 9		346	9.0	55
Show		21580+6722	MLB 307	BC	152	3.1	58
Show		21599+6719	TDT3280		122	0.5	58
Show		21580+6722	MLB 307	AB	194	62.0	59
Show		21527+6724	SKF2743		122	19.3	61
Show		21520+6723	TDT3201		121	2.3	61
Show		22038+6551	MLB 271		140	3.5	62
Show		21559+6525	STI1073		222	11.1	63
Show		21581+6729	LDS4932		85	122.6	64
Show		22038+6710	TDS1155		75	0.9	65
Show		22029+6716	MLB1096		312	18.5	65
Show		21529+6523	STI1067		273	11.6	66
Show		21555+6519	STT 457		246	1.4	68
Show		21444+6621	MLB 269		4	2.3	70
Show		21459+6548	HJ 1696		130	17.3	72
Show		22048+6539	HU 977		313	0.3	73
Show		22058+6539	NI 44		138	6.8	77
Show		21430+6606	WNT 1	AB	330	2.5	80
Show		21430+6606	WNT 1	AC	296	2.5	80
Show		21430+6606	WNT 1	AD	11	8.4	80
Show		21430+6606	WNT 1	AE	265	11.2	80
Show		21430+6606	WNT 1	AF	176	12.5	80
Show		21430+6606	LI 8	AG	123	6.5	80
Show		21430+6606	KAT 1	AH	205	10.7	80
Show		21430+6606	KAT 1	AI	204	6.4	80
Show		21430+6606	KAT 1	AJ	97	1.9	80
Show		21430+6606	KAT 1	AK	276	2.3	80
Show		21430+6606	KAT 1	AL	306	3.7	80
Show		21498+6514	MLR 74		264	0.9	82
Show		21520+6508	STI1066		3	4.1	82
Show		22067+6534	HDS3140		4	0.1	85

WDS 21559+6626 : COMPONENTS

	A	B
B	pa=44.0° sep=19.66"
C	pa=215.6° sep=21.34"	pa=219.6° sep=40.89"

21559+6626 A

Name	HD 208743	Coord arcsec 2000	215551.66+662617.8	Mag	8.62	Spectral class	A0 (white)
PmRA	0.00	PmDE	-14.0	SAO	19747	Tycho2	4274-01794-1
HD	208743	DM	BD+65 1683

Tycho2

Tycho2	4274-01794-1	Pflag		RAmdeg	328.96534469	DEmdeg	66.43832619
PmRA	3.5	PmDE	-15.2	E RAmdeg	7	E DEmdeg	7
E pmRA	1.1	E pmDE	1.1	EpRAm	1990.99	EpDEm	1991.14
Num	9	Q RAmdeg	0.9	Q DEmdeg	1.3	Q pmRA	0.8
Q pmDE	1.4	BTmag	8.712	E BTmag	0.017	VTmag	8.623
E VTmag	0.015	Prox	363	TYC	T	HIP
CCDM		RAdeg	328.96532361	DEdeg	66.43836139	EpRA 1990	1.61
EpDE 1990	1.74	E RAdeg	7.2	E DEdeg	6.8	Posflg
Corr	0.1

SAO

SAO	19747	DelFlag		RA1950		PmRA1950	0.0006
DE1950		PmDE1950	-0.003	Vmag	8.7	SpType	A0
Double code		Source	2	CatNum	1081	DM	BD+65 1683
DMcomp		BDsup		HD	208743	M HD	0
GC		RA1950rad	5.73608251	DE1950rad	1.15541574	PmRA2000	0.0009
PmDE2000	-0.008

21559+6626 B

Coord arcsec 2000	215553.94+662631.9		Mag	9.6		PmRA	-1.00		PmDE	-14.0
Calc delta mag	0.98		Calc coord	yes

21559+6626 C

Coord arcsec 2000	215549.59+662600.4		Mag	9.11		PmRA	19.00		PmDE	13.0
Calc delta mag	0.49		Calc coord	yes