19597+3140 SEI 773

Coord 2000	19597+3140		Discov num	SEI 773		Comp			Coord arcsec 2000	19 59 44.30 +31 40 18.5
Date first	1893		Date last	2015		Obs	12
Pa first	255		Pa last	258		P.A. Now (θ)	258°
Sep first	18.0		Sep last	17.4		Sep. Now (ρ)	17.4"
Mag pri	10.50		Mag sec	11.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-007		Sec motion ra	+001
Pri motion dec	-012		Sec motion dec	+000
Notes

rPM=1.038 This double is not physical.

Precise pa	257.5		Precise sep	17.417		Constellation	Cygnus		Tycho2	2670-01904-1
Gaia DR2	11828835072

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19597+3140	SEI 773		1998	4	257	17.5	10.50	11.00		D	195944.30+314018.5
19597+3140	SEI 773		2011	5	257	17.4	10.50	11.00		D	195944.30+314018.5
19597+3140	SEI 773		2015	8	258	17.4	10.50	11.00			195944.30+314018.5

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