19566+3238 SEI 738

Coord 2000	19566+3238		Discov num	SEI 738		Comp			Coord arcsec 2000	19 56 33.62 +32 38 21.7
Date first	1893		Date last	2015		Obs	15
Pa first	151		Pa last	153		P.A. Now (θ)	153°
Sep first	21.0		Sep last	20.7		Sep. Now (ρ)	20.7"
Mag pri	11.12		Mag sec	11.70		delta mag (ΔM)	0.58		Spectral class
Pri motion ra	+006		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-007
Notes

rPM=1.361 This double is not physical.

Precise pa	153.3		Precise sep	20.698		Constellation	Cygnus		Tycho2	2673-03712-1
Gaia DR2	39885007488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19566+3238	SEI 738		1998	7	153	20.8	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2002	8	153	20.7	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2012	9	153	20.8	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2015	11	153	20.7	11.12	11.70			195633.62+323821.7

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