21542+6644 LEP 103

21^h 54^m 14.50^s +66° 43' 54.2" P.A. 213.00 sep 4.1 mag 7.24,7.95 Sp K0

Coord 2000	21542+6644	Discov num	LEP 103	Comp		Coord arcsec 2000	21 54 14.50 +66 43 54.2
Date first	2000	Date last	2000	Obs	1
Pa first	213	Pa last	213.2	P.A. Now (θ)	213.2°
Sep first	4.1	Sep last	4.07	Sep. Now (ρ)	4.07"
Mag pri	7.24	Mag sec	7.95	delta mag (ΔM)	0.71	Spectral class	K0 (yellow-orange)
Pri motion ra	+234	Sec motion ra	+234
Pri motion dec	+104	Sec motion dec	+104
Notes	V K (Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Gaia DR2

2219499293097217536

WDS 21542+6644 LEP 103 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Lep2001	Hs j	Lepine, S., Wallace, D., Shara, M., Moffat, A., & Niemela, V.	2001AJ....122.3407L
Lep2001		AJ 122, 3407, 2001
Lep2007	P -	Lepine, S. & Bongiorno, B.	2007AJ....133..889L
Lep2007	+Ht	AJ 133, 889, 2007
Lep2007	+E2	(data from LSPM catalog for cpm pairs, compiled from Tycho, 2MASS, USNO-B, etc.
Lep2007		and reduced to J2000. Measures only added for new pairs; most of these have been
Lep2007		T-coded as 2MASS astrometry was generated and added to WDS)
Lep2007b	A j	Lepine, S., Rich, R.M., Shara, M.M., Cruz, K.L., & Skemer, A.	2007ApJ...668..507L
Lep2007b		ApJ 668, 507, 2007
Lep2008	Pa -	Lepine, S.	2008AJ....135.2177L
Lep2008		AJ 135, 2177, 2008
Lep2009	C -	Lepine, S., Thorstensen, J.R., Shara, M.M. & Rich, R.M.	2009AJ....137.4109L
Lep2009		AJ 137, 4109, 2009
Lep2011	-	Lepine, S.	2011ASPC..448.1375L
Lep2011		ASP Conf 448, 1375, 2011 (statistical study of CPM pairs, no data)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21542+6644	LEP 103		2000	1	213	4.1	9.81			VD	215414.50+664354.2

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WDS 21542+6644 LEP 103 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21542+6644 LEP 103 : MEASURES

No records found.

WDS 21542+6644 : VIRTUAL EYEPIECE

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WDS 21542+6644 : ALADIN DSS IMAGE @ 21^h 54^m 14.50^s +66° 43' 54.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21542+6644 LEP 103 : 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		21542+6644	LEP 103		213	4.1
Show		21511+6650	HU 972		255	0.3	20
Show		21559+6626	CLL 17	AB	68	37.0	21
Show		21559+6626	CLL 17	AC	241	35.6	21
Show		21491+6648	STF2836	AB	155	11.8	31
Show		21491+6648	WAL 140	AC	253	64.5	31
Show		21576+6708	HJ 1711	AB	255	8.8	32
Show		21576+6708	ACA 8	AC	323	71.9	32
Show		21572+6609	ARY 43		127	101.0	39
Show		21595+6620	MLB1095		100	11.2	40
Show		21520+6723	TDT3201		121	2.3	42
Show		21481+6625	MLB 270		265	1.6	42
Show		21527+6724	SKF2743		122	19.3	42
Show		21580+6722	MLB 307	BC	152	3.1	44
Show		21580+6722	MLB 307	AB	194	62.0	45
Show		21590+6605	TDT3273		6	0.4	49
Show		21599+6719	TDT3280		122	0.5	49
Show		21581+6729	LDS4932		85	122.6	50
Show		22029+6716	MLB1096		312	18.5	60
Show		21516+6545	STF2843	AB	150	1.4	61
Show		21516+6545	STF2843	AC	277	54.7	61
Show		22038+6710	TDS1155		75	0.9	62
Show		21444+6621	MLB 269		4	2.3	64
Show		21554+6540	HU 1314		211	0.1	65
Show		21561+6539	HU 974		101	4.5	66
Show		21530+6536	GII 10		173	9.3	69
Show		21533+6535	GII 11		52	6.2	69
Show		21526+6535	GII 9		346	9.0	70
Show		22022+6550	MLB 309		151	5.3	73
Show		21569+6533	KPP4259		17	52.4	73
Show		21459+6548	HJ 1696		130	17.3	76
Show		21430+6606	WNT 1	AB	330	2.5	77
Show		21430+6606	WNT 1	AC	296	2.5	77
Show		21430+6606	WNT 1	AD	11	8.4	77
Show		21430+6606	WNT 1	AE	265	11.2	77
Show		21430+6606	WNT 1	AF	176	12.5	77
Show		21430+6606	LI 8	AG	123	6.5	77
Show		21430+6606	KAT 1	AH	205	10.7	77
Show		21430+6606	KAT 1	AI	204	6.4	77
Show		21430+6606	KAT 1	AJ	97	1.9	77
Show		21430+6606	KAT 1	AK	276	2.3	77
Show		21430+6606	KAT 1	AL	306	3.7	77
Show		22048+6735	MLB 369		105	6.7	80
Show		21455+6745	HU 970		274	0.4	80
Show		22038+6551	MLB 271		140	3.5	81
Show		21559+6525	STI1073		222	11.1	81
Show		21598+6758	STF2853	AB	188	3.2	82
Show		21529+6523	STI1067		273	11.6	82
Show		21531+6806	STTA226	BC	149	85.2	83
Show		21531+6806	STTA226	BD	169	50.2	83
Show		21531+6806	STTA226	AB	245	76.3	83

WDS 21542+6644 : COMPONENTS

	A
B	pa=194.5° sep=3.52"

21542+6644 A

Componente originario normalizzato	AB		Coord arcsec 2000	215414.50+664354.2		Mag	7.24		Spectral class	K0 (yellow-orange)
PmRA	234.00		PmDE	104.0

21542+6644 B

Componente originario normalizzato	AB		Coord arcsec 2000	215414.35+664350.8		Mag	7.95		PmRA	234.00
PmDE	104.0		Calc delta mag	0.71		Calc coord	yes