00423+4015 A  1507AB

Coord 2000	00423+4015		Discov num	A  1507		Comp	AB		Coord arcsec 2000	00 42 17.44 +40 15 02.7
Date first	1907		Date last	2018		Obs	7
Pa first	220		Pa last	226		P.A. Now (θ)	226°
Sep first	0.3		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	10.04		Mag sec	10.43		delta mag (ΔM)	0.39		Spectral class	F8 (yellow-white)
Pri motion ra	+013		Sec motion ra	+013
Pri motion dec	+001		Sec motion dec	+001
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54091	00 42 17 +40 15 03	A 1507 AB	2018	7	226	0.7	10.04	10.43	0.39		<===
Show		54091	00 42 17 +40 15 03	A 1507 AB,C	2014	8	45	17.5	9.30	13.30	4.00

Triple system
4 visible stars in this system

Precise pa	225.5		Precise sep	0.7		Constellation	Andromeda		SAO	54091
Tycho2	2801-00890-1		Gaia DR2	369072449620465152

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00423+4015	A 1507	AB	1991	5	220	0.5	10.04	10.43			004217.44+401502.7
00423+4015	A 1507	AB	2008	6	222	0.7	10.04	10.43	F8		004217.44+401502.7
00423+4015	A 1507	AB	2018	7	226	0.7	10.04	10.43	F8		004217.44+401502.7

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