00210+5421 TDS  12

Coord 2000	00210+5421		Discov num	TDS  12		Comp			Coord arcsec 2000	00 21 02.84 +54 21 12.9
Date first	1991		Date last	1991		Obs	1
Pa first	288		Pa last	288		P.A. Now (θ)	288°
Sep first	0.9		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	11.40		Mag sec	13.20		delta mag (ΔM)	1.8		Spectral class
Pri motion ra	-009		Sec motion ra	-009
Pri motion dec	-003		Sec motion dec	-003
Notes

Nature of this double is uncertain.

Precise pa	287.7		Precise sep	0.932		Constellation	Cassiopeia		Tycho2	3653-00758-1
last precise pa	287.7		last precise sep	0.932

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00210+5421	TDS 12		1991	1	288	0.9	11.40	13.20			002102.84+542112.9

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