01243+5858 ES 1712BC

Coord 2000	01243+5858		Discov num	ES 1712		Comp	BC		Coord arcsec 2000	01 24 20.37 +58 57 34.6
Date first	1918		Date last	2008		Obs	4
Pa first	297		Pa last	298		P.A. Now (θ)	298°
Sep first	5.7		Sep last	5.0		Sep. Now (ρ)	5"
Mag pri	9.33		Mag sec	13.90		delta mag (ΔM)	4.57		Spectral class
Pri motion ra	-014		Sec motion ra
Pri motion dec	-036		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		22240	01243+5858	ES 1712	AB	1908	2014	17	4	48.1	7.90	9.33	1.43
Show		22241	01243+5858	ES 1712	BC	1918	2008	4	298	5.0	9.33	13.90	4.57		<===

Triple system
3 visible stars in this system

Precise pa	298		Precise sep	5.015		Constellation	Cassiopeia		SAO	22241
Tycho2	3682-01502-1		last precise pa	298		last precise sep	5.015

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01243+5858	ES 1712	BC	1999	2	298	5.4	9.33	13.90		D	012420.37+585734.6
01243+5858	ES 1712	BC	2008	3	298	5.0	9.33	13.90		D	012420.37+585734.6

If you need more information about this double, apply for a data request form to the WDS.