00013+6021 STTA254AD

Coord 2000	00013+6021		Discov num	STTA254		Comp	AD		Coord arcsec 2000	00 01 15.85 +60 21 19.0
Date first	1982		Date last	2016		Obs	9
Pa first	118		Pa last	118		P.A. Now (θ)	118°
Sep first	182.0		Sep last	181.4		Sep. Now (ρ)	181.4"
Mag pri	7.40		Mag sec	10.35		delta mag (ΔM)	2.95		Spectral class	NIab (deep red)
Pri motion ra	+009		Sec motion ra	-003
Pri motion dec	-006		Sec motion dec	-001
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.202 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	WZ Cas	21002	00013+6021	STTA254	AB	1874	2018	34	89	57.8	7.40	8.33	0.93
Show		21002	00013+6021	STTA254	AC	1879	2015	16	324	155.4	7.40	9.56	2.16
Show		21002	00013+6021	STTA254	AD	1982	2016	9	118	181.4	7.40	10.35	2.95		<===
Show		21006	00013+6021	STTA254	BD	1879	2015	15	130	133.7	8.33	10.35	2.02

Quadruple system
4 visible stars in this system

Precise pa	118.2		Precise sep	181.43		Var name	WZ Cas		Constellation	Cassiopeia
SAO	21002		HIP	99		Tycho2	4014-00054-1		Gaia DR2	6550168960
HD	224855		BD	BD+59 2810		Distance	877.19		Distance ly	2861.39

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00013+6021	STTA254	AD	2007	4	118	181.5	7.40	10.35		N	000115.85+602119.0
00013+6021	STTA254	AD	2016	7	118	181.4	7.40	10.35	NIab	N	000115.85+602119.0

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