01082+5451 ES 2582AC

Coord 2000	01082+5451		Discov num	ES 2582		Comp	AC		Coord arcsec 2000	01 08 12.74 +54 50 42.0
Date first	1910		Date last	2015		Obs	7
Pa first	97		Pa last	99		P.A. Now (θ)	99°
Sep first	19.5		Sep last	17.9		Sep. Now (ρ)	17.9"
Mag pri	9.69		Mag sec	14.56		delta mag (ΔM)	4.87		Spectral class
Pri motion ra	+006		Sec motion ra	+001
Pri motion dec	-005		Sec motion dec	-002
Notes

rPM=0.747 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	30 Cas	22024	01 08 13 +54 50 42	ES 2582 AB	2015	7	331	8.3	9.69	13.00	3.31
Show		22024	01 08 13 +54 50 42	ES 2582 AC	2015	7	99	17.9	9.69	14.56	4.87		<===

Triple system
3 visible stars in this system

Precise pa	98.6		Precise sep	17.9		Constellation	Cassiopeia		SAO	22024
Tycho2	3673-00438-1		Gaia DR2	411413134879516288		HD	6582		HR	321
DM	BD+54 223		Flamsteed	30 Cassiopeiae		Flamsteed name	30 Cas

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01082+5451	ES 2582	AC	1998	2	98	18.1	9.69	13.00		D	010812.74+545042.0
01082+5451	ES 2582	AC	2002	3	99	18.0	9.69	13.00		D	010812.74+545042.0
01082+5451	ES 2582	AC	2015	4	99	17.9	9.69	14.56			010812.74+545042.0

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