01112+5218 ES  755AE

Coord 2000	01112+5218		Discov num	ES  755		Comp	AE		Coord arcsec 2000	01 11 16.03 +52 17 16.7
Date first	1903		Date last	2015		Obs	10
Pa first	297		Pa last	297		P.A. Now (θ)	297°
Sep first	47.6		Sep last	50.5		Sep. Now (ρ)	50.5"
Mag pri	11.34		Mag sec	11.79		delta mag (ΔM)	0.45		Spectral class	F8V (yellow-white)
Pri motion ra	+019		Sec motion ra	-005
Pri motion dec	-014		Sec motion dec	-003
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=1.119 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01112+5218	ES 755	AB	1909	2015	5	332	4.0	11.34	13.20	1.86
Show			01112+5218	ES 755	AC	1909	2015	6	197	10.3	11.34	13.40	2.06
Show			01112+5218	ES 755	AE	1903	2015	10	297	50.5	11.34	11.79	0.45		<===
Show			01112+5218	ABH 6	AF	1987	2015	4	112	24.3	11.34	14.60	3.26
Show			01112+5218	ABH 6	AG	1987	2015	4	107	48.7	11.34	14.46	3.12
Show			01112+5218	ABH 6	AH	1987	2015	4	255	169.0	11.34	13.68	2.34
Show			01112+5218	ES 755	CD	1909	2015	4	126	3.4	13.40	13.50	0.10

Octuple system
8 visible stars in this system

Precise pa	296.5		Precise sep	50.451		Constellation	Cassiopeia		Tycho2	3276-00692-1
Gaia DR2	4380265472

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01112+5218	ES 755	AE	1998	7	297	50.0	11.34	11.79		D	011116.03+521716.7
01112+5218	ES 755	AE	2011	8	297	50.3	11.34	11.79		UD	011116.03+521716.7
01112+5218	ES 755	AE	2015	10	297	50.5	11.34	11.79	F8V	U	011116.03+521716.7

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