19522+3139 ES  356

Coord 2000	19522+3139		Discov num	ES  356		Comp			Coord arcsec 2000	19 52 14.61 +31 39 28.7
Date first	1902		Date last	2016		Obs	13
Pa first	349		Pa last	344		P.A. Now (θ)	344°
Sep first	5.5		Sep last	6.2		Sep. Now (ρ)	6.2"
Mag pri	10.03		Mag sec	10.90		delta mag (ΔM)	0.87		Spectral class	A0 (white)
Pri motion ra	+002		Sec motion ra	-002
Pri motion dec	-004		Sec motion dec	-001
Notes

rPM=1.118 This double is not physical.

Precise pa	343.7		Precise sep	6.154		Constellation	Cygnus		SAO	68999
Tycho2	2669-01601-1		Gaia DR2	18761972480		HD	331424

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19522+3139	ES 356		1998	5	344	6.1	10.03	10.90	A0	D	195214.61+313928.7
19522+3139	ES 356		2008	6	344	6.1	10.03	10.90	A0	D	195214.61+313928.7
19522+3139	ES 356		2016	9	344	6.2	10.03	10.90	A0		195214.61+313928.7

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