02128+7941 S   405AB

Coord 2000	02128+7941		Discov num	S   405		Comp	AB		Coord arcsec 2000	02 12 49.98 +79 41 29.3
Date first	1782		Date last	2016		Obs	28
Pa first	274		Pa last	278		P.A. Now (θ)	278°
Sep first	51.0		Sep last	55.6		Sep. Now (ρ)	55.6"
Mag pri	6.47		Mag sec	7.15		delta mag (ΔM)	0.68		Spectral class	A5III (white)
Pri motion ra	-023		Sec motion ra	-019
Pri motion dec	+024		Sec motion dec	+021
Notes	N (See 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		4594	02128+7941	S 405	AB	1782	2016	28	278	55.6	6.47	7.15	0.68		<===
Show		4592	02128+7941	S 405	BC	1912	2003	3	224	51.0	7.16	13.90	6.74

Triple system
3 visible stars in this system

Constellation	Cepheus		SAO	4594		HIP	10309		Tycho2	4503-01788-1
HD	12927		BD	BD+79 63		Distance	140.85		Distance ly	459.45
last precise pa	277.8		last precise sep	55.647

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02128+7941	S 405	AB	2002	23	277	55.1	6.47	7.15	A5III	N D	021249.98+794129.3
02128+7941	S 405	AB	2003	26	277	55.6	6.47	7.15	A5III	N D	021249.98+794129.3
02128+7941	S 405	AB	2012	26	277	55.3	6.47	7.15	A5III	N D	021249.98+794129.3
02128+7941	S 405	AB	2015	27	277	55.5	6.47	7.15	A5III	N	021249.98+794129.3
02128+7941	S 405	AB	2016	28	278	55.6	6.47	7.15	A5III	N	021249.98+794129.3

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