01423+5838 WAL  12AC

Coord 2000	01423+5838		Discov num	WAL  12		Comp	AC		Coord arcsec 2000	01 42 17.70 +58 37 39.8
Date first	1910		Date last	2015		Obs	8
Pa first	217		Pa last	218		P.A. Now (θ)	218°
Sep first	107.1		Sep last	107.2		Sep. Now (ρ)	107.2"
Mag pri	6.34		Mag sec	10.94		delta mag (ΔM)	4.6		Spectral class	B7III (blue-white)
Pri motion ra	+014		Sec motion ra	+001
Pri motion dec	-008		Sec motion dec	+000
Notes

rPM=0.947 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		22520	01423+5838	HJ 1088	AB	1828	2015	26	168	19.5	6.34	9.79	3.45
Show			01423+5838	WAL 12	AC	1910	2015	8	218	107.2	6.34	10.94	4.60		<===

Triple system
3 visible stars in this system

Precise pa	218.4		Precise sep	107.193		Constellation	Cassiopeia		SAO	22520
HIP	7963		Tycho2	3683-00914-1		Gaia DR2	2984893184		HD	10293
HR	482		BD	BD+57 370		Distance	598.8		Distance ly	1953.29

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01423+5838	WAL 12	AC	1999	6	218	107.3	6.34	10.94	B7III	D	014217.70+583739.8
01423+5838	WAL 12	AC	2003	7	219	106.7	6.34	10.94	B7III	D	014217.70+583739.8
01423+5838	WAL 12	AC	2015	8	218	107.2	6.34	10.94	B7III		014217.70+583739.8

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