19030+4233 A   589

Coord 2000	19030+4233		Discov num	A   589		Comp			Coord arcsec 2000	19 03 01.81 +42 32 45.8
Date first	1903		Date last	2017		Obs	16
Pa first	8		Pa last	6		P.A. Now (θ)	6°
Sep first	0.5		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	9.52		Mag sec	10.10		delta mag (ΔM)	0.58		Spectral class	A2 (white)
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	+010		Sec motion dec	+010
Notes

Nature of this double is uncertain.

Precise pa	6.3		Precise sep	0.69		Constellation	Lyra		SAO	48032
Tycho2	3128-00750-1		Gaia DR2	2104025004235555200		HD	177485

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19030+4233	A 589		1991	12	0	0.6	9.52	10.10	A2		190301.81+423245.8
19030+4233	A 589		2010	13	4	0.7	9.52	10.10	A2		190301.81+423245.8
19030+4233	A 589		2017	16	6	0.7	9.52	10.10	A2		190301.81+423245.8

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