01286+4509 A   941AB

Coord 2000	01286+4509		Discov num	A   941		Comp	AB		Coord arcsec 2000	01 28 37.20 +45 09 07.7
Date first	1905		Date last	2017		Obs	9
Pa first	237		Pa last	242		P.A. Now (θ)	242°
Sep first	1.3		Sep last	1.5		Sep. Now (ρ)	1.5"
Mag pri	8.66		Mag sec	11.52		delta mag (ΔM)	2.86		Spectral class	F5 (yellow-white)
Pri motion ra	+007		Sec motion ra	+007
Pri motion dec	-001		Sec motion dec	-002
Notes

rPM=0.137 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01286+4509	A 941	AB	1905	2017	9	242	1.5	8.66	11.52	2.86		<===
Show			01286+4509	A 941	A,CD	1893	2002	7	322	160.4	8.66	11.06	2.40
Show			01286+4509	A 941	CD	1919	2017	7	358	0.8	10.95	11.23	0.28

Quadruple system
5 visible stars in this system

Precise pa	241.9		Precise sep	1.46		Constellation	Andromeda		SAO	37249
HIP	6882		Tycho2	3265-02368-1		Gaia DR2	9972712960		HD	8893
BD	BD+44 311		Distance	303.03		Distance ly	988.48

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01286+4509	A 941	AB	1991	7	244	1.5	8.66	11.52	F5	D	012837.20+450907.7
01286+4509	A 941	AB	2017	8	242	1.4	8.66	11.52	F5		012837.20+450907.7

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