19556+4723 BU  831

Coord 2000	19556+4723		Discov num	BU  831		Comp			Coord arcsec 2000	19 55 35.00 +47 22 41.1
Date first	1881		Date last	2016		Obs	15
Pa first	128		Pa last	127		P.A. Now (θ)	127°
Sep first	0.9		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	9.60		Mag sec	10.36		delta mag (ΔM)	0.76		Spectral class	F8 (yellow-white)
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-010		Sec motion dec	-010
Notes

Nature of this double is uncertain.

Precise pa	127		Precise sep	0.94		Constellation	Cygnus		SAO	48987
Tycho2	3562-01511-1		Gaia DR2	20815288576

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19556+4723	BU 831		2001	14	120	0.7	9.60	10.36	F8		195535.00+472241.1
19556+4723	BU 831		2016	15	127	0.9	9.60	10.36	F8		195535.00+472241.1

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