01563+4251 A  1524AB

Coord 2000	01563+4251		Discov num	A  1524		Comp	AB		Coord arcsec 2000	01 56 20.47 +42 51 18.0
Date first	1907		Date last	2008		Obs	17
Pa first	236		Pa last	234		P.A. Now (θ)	234°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	9.40		Mag sec	9.80		delta mag (ΔM)	0.4		Spectral class	A5 (white)
Pri motion ra	+004		Sec motion ra
Pri motion dec	+005		Sec motion dec
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		37621	01563+4251	A 1524	AB	1907	2008	17	234	0.3	9.40	9.80	0.40		<===
Show		37621	01563+4251	A 1524	AC	1907	2002	3	12	24.5	9.40	13.60	4.20

Triple system
3 visible stars in this system

Precise pa	233.9		Precise sep	0.343		Cdsa2 id	A 1524 AB		Constellation	Andromeda
SAO	37621		Tycho2	2824-01581-1		HD	11748		Ra deg	1.9390194444444444
De deg	42.855000000000004		last precise pa	233.9		last precise sep	0.343

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01563+4251	A 1524	AB	1995	16	237	0.3	9.40	9.80	A5		015620.47+425118.0
01563+4251	A 1524	AB	2008	17	234	0.3	9.40	9.80	A5		015620.47+425118.0

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