00262+5647 STT   9AC

Coord 2000	00262+5647		Discov num	STT   9		Comp	AC		Coord arcsec 2000	00 26 12.04 +56 46 45.2
Date first	1910		Date last	2018		Obs	13
Pa first	4		Pa last	4		P.A. Now (θ)	4°
Sep first	22.6		Sep last	22.8		Sep. Now (ρ)	22.8"
Mag pri	6.87		Mag sec	9.90		delta mag (ΔM)	3.03		Spectral class	G3III (yellow)
Pri motion ra	-050		Sec motion ra	-045
Pri motion dec	-046		Sec motion dec	-041
Notes

rPM=0.104 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		21395	00 26 12 +56 46 45	STT 9 AB	2002	24	51	2.1	6.87	9.67	2.80
Show		21395	00 26 12 +56 46 45	STT 9 AC	2018	13	4	22.8	6.87	9.90	3.03		<===
Show		21395	00 26 12 +56 46 45	WAL 6 AD	2015	4	54	74.1	6.87	11.82	4.95
Show		21395	00 26 12 +56 46 45	WAL 6 AE	2015	4	88	74.3	6.87	12.75	5.88
Show		21395	00 26 12 +56 47 08	WAL 6 CD	2015	9	70	62.0	9.90	11.82	1.92

Quintuple system
5 visible stars in this system

Precise pa	4.2		Precise sep	22.81		Constellation	Cassiopeia		SAO	21395
HIP	2074		Tycho2	3661-00407-1		Gaia DR2	421737274187773824		HD	2170
BD	BD+55 72		Distance	180.18		Distance ly	587.75

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00262+5647	STT 9	AC	2003	10	3	22.4	6.87	9.90	G3III	D	002612.04+564645.2
00262+5647	STT 9	AC	2015	12	4	22.7	6.87	9.90	G3III		002612.04+564645.2
00262+5647	STT 9	AC	2018	13	4	22.8	6.87	9.90	G3III		002612.04+564645.2

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