21538+6237 PET 13 Aa,Ab

21^h 53^m 48.11^s +62° 36' 51.9" P.A. 212.00 sep 0.1 mag 7.03, Sp B1Vn dist. 492.61 pc (1606.89 l.y.)

Coord 2000	21538+6237		Discov num	PET 13		Comp	Aa,Ab		Coord arcsec 2000	21 53 48.11 +62 36 51.9
Date first	2007		Date last	2007		Obs	1
Pa first	212		Pa last	212		P.A. Now (θ)	212°
Sep first	0.1		Sep last	0.1		Sep. Now (ρ)	0.1"
Mag pri	7.03		Mag sec			delta mag (ΔM)			Spectral class	B1Vn (blue-white)
Pri motion ra	-003		Sec motion ra
Pri motion dec	-001		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

21538+6237 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		19718	21 53 48 +62 36 52	PET 13 Aa,Ab	2007	1	212	0.1	7.03				<===
Show	EM Cep	19718	21 53 48 +62 36 52	S 800 AB	2022	32	145	62.8	7.07	7.91	0.84
Show		19718	21 53 48 +62 36 52	ES 144 AC	2015	5	278	20.5	7.07	12.62	5.55
Show		19719	21 53 53 +62 36 01	ES 144 BD	2015	8	43	23.6	7.07	12.00	4.93
Show			21 53 45 +62 36 55	PET 13 CE	2015	2	290	1.2	11.82

Sextuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	EM Cep		Constellation	Cepheus		SAO	19718		HIP	108073
Tycho2	4266-02575-1		Gaia DR2	2204369875668251264		HD	208392		BD	BD+61 2216
Distance	492.61		Distance ly	1606.89