19528+3916 ALI1127

Coord 2000	19528+3916		Discov num	ALI1127		Comp			Coord arcsec 2000	19 52 48.64 +39 15 57.3
Date first	1895		Date last	2015		Obs	11
Pa first	174		Pa last	175		P.A. Now (θ)	175°
Sep first	11.4		Sep last	11.7		Sep. Now (ρ)	11.7"
Mag pri	9.39		Mag sec	12.20		delta mag (ΔM)	2.81		Spectral class	A0 (white)
Pri motion ra	+003		Sec motion ra	-001
Pri motion dec	-002		Sec motion dec	-003
Notes

rPM=1.144 This double is not physical.

Precise pa	174.8		Precise sep	11.709		Constellation	Cygnus		SAO	69020
Tycho2	3137-00549-1		Gaia DR2	41380025600		HD	226337

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19528+3916	ALI1127		1998	4	174	11.8	9.39	12.20	A0	D	195248.64+391557.3
19528+3916	ALI1127		2002	5	175	11.7	9.39	12.20	A0	D	195248.64+391557.3
19528+3916	ALI1127		2010	6	175	11.6	9.39	12.20	A0		195248.64+391557.3
19528+3916	ALI1127		2015	7	175	11.7	9.39	12.20	A0		195248.64+391557.3

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