01180+5355 ES  119AB

Coord 2000	01180+5355		Discov num	ES  119		Comp	AB		Coord arcsec 2000	01 18 01.41 +53 55 00.7
Date first	1902		Date last	2018		Obs	15
Pa first	115		Pa last	116		P.A. Now (θ)	116°
Sep first	5.1		Sep last	5.0		Sep. Now (ρ)	5"
Mag pri	8.22		Mag sec	11.02		delta mag (ΔM)	2.8		Spectral class	A2 (white)
Pri motion ra	+025		Sec motion ra	+027
Pri motion dec	-012		Sec motion dec	-013
Notes

rPM=0.075 (< 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		22161	01180+5355	ES 119	AB	1902	2018	15	116	5.0	8.22	11.02	2.80		<===
Show		22161	01180+5355	ES 119	AC	1902	2015	12	277	44.4	8.22	10.78	2.56

Triple system
3 visible stars in this system

Precise pa	115.7		Precise sep	4.97		Constellation	Cassiopeia		SAO	22161
HIP	6080		Tycho2	3669-00764-1		Gaia DR2	4159605376		HD	7721
BD	BD+53 271		Distance	210.97		Distance ly	688.18

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01180+5355	ES 119	AB	1999	8	116	4.9	8.22	11.02	A2	D	011801.41+535500.7
01180+5355	ES 119	AB	2015	9	118	5.7	8.22	11.02	A2		011801.41+535500.7
01180+5355	ES 119	AB	2018	15	116	5.0	8.22	11.02	A2		011801.41+535500.7

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