01578+5628 HJ 2097

Coord 2000	01578+5628		Discov num	HJ 2097		Comp			Coord arcsec 2000	01 57 49.28 +56 28 02.7
Date first	1831		Date last	2015		Obs	11
Pa first	23		Pa last	27		P.A. Now (θ)	27°
Sep first	8.0		Sep last	10.4		Sep. Now (ρ)	10.4"
Mag pri	9.70		Mag sec	11.30		delta mag (ΔM)	1.6		Spectral class	OB- (blue)
Pri motion ra	-003		Sec motion ra	+002
Pri motion dec	-002		Sec motion dec	+000
Notes

rPM=1.494 This double is not physical.

Precise pa	26.9		Precise sep	10.431		Constellation	Perseus		Tycho2	3692-02558-1
Gaia DR2	504866606722020992

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01578+5628	HJ 2097		1999	6	26	10.6	9.70	11.30		D	015749.28+562802.7
01578+5628	HJ 2097		2011	7	27	10.4	9.70	11.30		D	015749.28+562802.7
01578+5628	HJ 2097		2015	11	27	10.4	9.70	11.30	OB-		015749.28+562802.7

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