01568+3802 ARN  90AB

Coord 2000	01568+3802		Discov num	ARN  90		Comp	AB		Coord arcsec 2000	01 56 50.43 +38 01 58.2
Date first	1923		Date last	2015		Obs	16
Pa first	192		Pa last	192		P.A. Now (θ)	192°
Sep first	37.1		Sep last	37.3		Sep. Now (ρ)	37.3"
Mag pri	8.99		Mag sec	9.18		delta mag (ΔM)	0.19		Spectral class	G2V (yellow)
Pri motion ra	+009		Sec motion ra	+008
Pri motion dec	-012		Sec motion dec	-012
Notes	N W (See Notes, )

Visually invisible, K-band or other infrared star rPM=0.067 (< 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		55118	01568+3802	ARN 90	AB	1923	2015	16	192	37.3	8.99	9.18	0.19		<===
Show		55117	01568+3802	TOB9001	BC	1928	2015	12	266	70.4	9.18	11.28	2.10

Triple system
3 visible stars in this system

Precise pa	192.2		Precise sep	37.276		Constellation	Andromeda		SAO	55118
Tycho2	2816-01888-1		Gaia DR2	3745568768		HD	11811

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01568+3802	ARN 90	AB	2006	9	192	37.5	8.99	9.18		D	015650.43+380158.2
01568+3802	ARN 90	AB	2012	12	195	36.9	8.99	9.18		N	015650.43+380158.2
01568+3802	ARN 90	AB	2015	13	192	37.3	8.99	9.18	G2V	N W	015650.43+380158.2

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