01196+5820 ES 1808AC

Coord 2000	01196+5820		Discov num	ES 1808		Comp	AC		Coord arcsec 2000	01 19 35.79 +58 19 15.2
Date first	1911		Date last	2015		Obs	13
Pa first	199		Pa last	192		P.A. Now (θ)	192°
Sep first	13.0		Sep last	13.9		Sep. Now (ρ)	13.9"
Mag pri	10.35		Mag sec	13.45		delta mag (ΔM)	3.1		Spectral class	OB (blue)
Pri motion ra	-004		Sec motion ra	-003
Pri motion dec	-001		Sec motion dec	-001
Notes

rPM=0.243 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		22188	01196+5820	ES 1808	AB	1914	2016	12	335	6.8	10.35	13.90	3.55
Show		22188	01196+5820	ES 1808	AC	1911	2015	13	192	13.9	10.35	13.45	3.10		<===
Show		22188	01196+5820	ES 1808	AD	1920	2015	10	136	9.8	10.35	14.00	3.65

Quadruple system
4 visible stars in this system

Precise pa	191.5		Precise sep	13.909		Constellation	Cassiopeia		SAO	22188
Tycho2	3681-01350-1		Gaia DR2	8889835008

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01196+5820	ES 1808	AC	1999	5	192	13.9	10.35	13.90		D	011935.79+581915.2
01196+5820	ES 1808	AC	2008	6	192	14.0	10.35	13.90		D	011935.79+581915.2
01196+5820	ES 1808	AC	2011	7	192	13.9	10.35	13.90		D	011935.79+581915.2
01196+5820	ES 1808	AC	2015	10	192	13.9	10.35	13.45	OB		011935.79+581915.2

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