01508+5412 SMA  23

Coord 2000	01508+5412		Discov num	SMA  23		Comp			Coord arcsec 2000	01 50 55.84 +54 11 47.6
Date first	1921		Date last	2015		Obs	5
Pa first	61		Pa last	70		P.A. Now (θ)	70°
Sep first	7.0		Sep last	8.7		Sep. Now (ρ)	8.7"
Mag pri	12.70		Mag sec	13.50		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	-022		Sec motion ra	+003
Pri motion dec	-002		Sec motion dec	-003
Notes

rPM=1.133 This double is not physical.

Precise pa	69.6		Precise sep	8.686		Cdsa2 id	SMA 23		Constellation	Perseus
Ra deg	1.8488444444444445		De deg	54.196555555555555		last precise pa	69.6		last precise sep	8.686

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01508+5412	SMA 23		1999	2	68	8.4	12.70	13.50		D	015055.84+541147.6
01508+5412	SMA 23		2004	4	69	8.5	12.70	13.50		D	015055.84+541147.6
01508+5412	SMA 23		2015	5	70	8.7	12.70	13.50			015055.84+541147.6

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