01558+5420 A  1270

Coord 2000	01558+5420		Discov num	A  1270		Comp			Coord arcsec 2000	01 55 47.48 +54 19 46.3
Date first	1906		Date last	2015		Obs	9
Pa first	217		Pa last	221		P.A. Now (θ)	221°
Sep first	0.6		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	9.42		Mag sec	9.45		delta mag (ΔM)	0.03		Spectral class	F0 (yellow-white)
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	-009		Sec motion dec	-009
Notes

Nature of this double is uncertain.

Precise pa	220.9		Precise sep	0.7		Constellation	Perseus		SAO	22758
Tycho2	3684-00391-1		HD	11649		last precise pa	220.9		last precise sep	0.7

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01558+5420	A 1270		1991	8	215	0.6	9.42	9.45	F0		015547.48+541946.3
01558+5420	A 1270		2015	9	221	0.7	9.42	9.45	F0		015547.48+541946.3

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