19487+4242 ES 1564

Coord 2000	19487+4242		Discov num	ES 1564		Comp			Coord arcsec 2000	19 48 43.97 +42 42 05.3
Date first	1892		Date last	2010		Obs	8
Pa first	10		Pa last	357		P.A. Now (θ)	357°
Sep first	8.4		Sep last	7.6		Sep. Now (ρ)	7.6"
Mag pri	10.60		Mag sec	12.00		delta mag (ΔM)	1.4		Spectral class
Pri motion ra	+018		Sec motion ra	-001
Pri motion dec	-001		Sec motion dec	-005
Notes

rPM=1.077 This double is not physical.

Precise pa	356.6		Precise sep	7.55		Constellation	Cygnus		Tycho2	3144-00353-1
last precise pa	356.6		last precise sep	7.55

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19487+4242	ES 1564		1998	5	179	7.4	10.60	12.00		D	194843.97+424205.3
19487+4242	ES 1564		2003	7	358	7.3	10.60	12.00			194843.97+424205.3
19487+4242	ES 1564		2010	8	357	7.6	10.60	12.00			194843.97+424205.3

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