01424+3923 ALI 743

Coord 2000	01424+3923		Discov num	ALI 743		Comp			Coord arcsec 2000	01 42 22.35 +39 23 16.7
Date first	1928		Date last	2015		Obs	6
Pa first	0		Pa last	3		P.A. Now (θ)	3°
Sep first	12.0		Sep last	11.9		Sep. Now (ρ)	11.9"
Mag pri	13.24		Mag sec	13.10		delta mag (ΔM)	0.14		Spectral class
Pri motion ra	-001		Sec motion ra	-006
Pri motion dec	-005		Sec motion dec	-004
Notes

rPM=0.707 Nature of this double is uncertain.

Precise pa	3.3		Precise sep	11.912		Constellation	Andromeda		SAO	54913
Gaia DR2	346832284328767616

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01424+3923	ALI 743		1998	2	4	11.8	13.00	13.20		D	014222.35+392316.7
01424+3923	ALI 743		2002	4	3	11.9	13.00	13.20		D	014222.35+392316.7
01424+3923	ALI 743		2010	5	4	11.5	13.24	13.10			014222.35+392316.7
01424+3923	ALI 743		2015	6	3	11.9	13.24	13.10			014222.35+392316.7

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