19489+0545 BU  829

Coord 2000	19489+0545		Discov num	BU  829		Comp			Coord arcsec 2000	19 48 56.02 +05 44 54.5
Date first	1881		Date last	2016		Obs	28
Pa first	312		Pa last	314		P.A. Now (θ)	314°
Sep first	0.7		Sep last	0.8		Sep. Now (ρ)	0.8"
Mag pri	9.08		Mag sec	9.75		delta mag (ΔM)	0.67		Spectral class	A0 (white)
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	-004		Sec motion dec	-004
Notes

Nature of this double is uncertain.

Precise pa	313.7		Precise sep	0.812		Constellation	Aquila		Tycho2	0492-02643-1
Gaia DR2	80057945984		HD	187261

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19489+0545	BU 829		2005	25	314	0.8	9.08	9.75	A0		194856.02+054454.5
19489+0545	BU 829		2016	26	314	0.8	9.08	9.75	A0		194856.02+054454.5

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