01563+4251 A  1524AC

Coord 2000	01563+4251		Discov num	A  1524		Comp	AC		Coord arcsec 2000	01 56 20.47 +42 51 18.0
Date first	1907		Date last	2015		Obs	7
Pa first	12		Pa last	12		P.A. Now (θ)	12°
Sep first	24.4		Sep last	24.4		Sep. Now (ρ)	24.4"
Mag pri	9.40		Mag sec	13.60		delta mag (ΔM)	4.2		Spectral class	A5 (white)
Pri motion ra	+004		Sec motion ra	+009
Pri motion dec	+000		Sec motion dec	+002
Notes

rPM=0.584 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		37621	01563+4251	A 1524	AB	1907	2011	18	223	0.3	9.40	9.80	0.40
Show		37621	01563+4251	A 1524	AC	1907	2015	7	12	24.4	9.40	13.60	4.20		<===

Triple system
3 visible stars in this system

Precise pa	11.5		Precise sep	24.433		Constellation	Andromeda		SAO	37621
Tycho2	2824-01581-1		Gaia DR2	2191377408		HD	11748

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01563+4251	A 1524	AC	2000	2	12	24.4	9.40	13.60	A5	D	015620.47+425118.0
01563+4251	A 1524	AC	2002	3	12	24.5	9.40	13.60	A5	D	015620.47+425118.0
01563+4251	A 1524	AC	2015	4	12	24.4	9.40	13.60	A5		015620.47+425118.0

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