00339+5816 ES 1770AC

Coord 2000	00339+5816		Discov num	ES 1770		Comp	AC		Coord arcsec 2000	00 33 55.39 +58 16 01.7
Date first	1911		Date last	2015		Obs	8
Pa first	124		Pa last	125		P.A. Now (θ)	125°
Sep first	13.1		Sep last	12.6		Sep. Now (ρ)	12.6"
Mag pri	11.08		Mag sec	13.50		delta mag (ΔM)	2.42		Spectral class
Pri motion ra	+003		Sec motion ra	-005
Pri motion dec	-006		Sec motion dec	-002
Notes

rPM=1.333 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		21519	00 33 55 +58 16 02	ES 1770 AB	2016	10	340	3.1	11.08	11.48	0.40
Show		21519	00 33 55 +58 16 02	ES 1770 AC	2015	8	125	12.6	11.08	13.50	2.42		<===

Triple system
3 visible stars in this system

Precise pa	125.4		Precise sep	12.6		Constellation	Cassiopeia		SAO	21519
Tycho2	3666-01568-1		Gaia DR2	424982379679421952

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00339+5816	ES 1770	AC	1999	5	132	14.9	11.08	13.50		D	003355.39+581601.7
00339+5816	ES 1770	AC	2003	6	132	15.2	11.08	13.50		D	003355.39+581601.7
00339+5816	ES 1770	AC	2015	7	125	12.6	11.08	13.50			003355.39+581601.7

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