00013+6021 STTA254AB (WZ Cas)

Coord 2000	00013+6021		Discov num	STTA254		Comp	AB		Coord arcsec 2000	00 01 15.85 +60 21 19.0
Date first	1874		Date last	2018		Obs	34
Pa first	90		Pa last	89		P.A. Now (θ)	89°
Sep first	58.9		Sep last	57.8		Sep. Now (ρ)	57.8"
Mag pri	7.40		Mag sec	8.33		delta mag (ΔM)	0.93		Spectral class	NIab:p (deep red)
Pri motion ra	+009		Sec motion ra	+001
Pri motion dec	-006		Sec motion dec	-005
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.745 Nature of this double is uncertain.

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	89		Precise sep	57.8		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	AB	2007	25	89	57.8	7.40	8.33	NIab:p	N	000115.85+602119.0
00013+6021	STTA254	AB	2010	30	89	57.7	7.40	8.33	NIab:p	N	000115.85+602119.0
00013+6021	STTA254	AB	2017	32	89	58.0	7.40	8.33	NIab:p	N	000115.85+602119.0
00013+6021	STTA254	AB	2018	34	89	57.8	7.40	8.33	NIab:p	N	000115.85+602119.0

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