19591+3942 ES 1970AB

Coord 2000	19591+3942		Discov num	ES 1970		Comp	AB		Coord arcsec 2000	19 59 06.99 +39 42 23.4
Date first	1892		Date last	2007		Obs	9
Pa first	149		Pa last	150		P.A. Now (θ)	150°
Sep first	19.2		Sep last	17.8		Sep. Now (ρ)	17.8"
Mag pri	10.00		Mag sec	11.60		delta mag (ΔM)	1.6		Spectral class	G5 (yellow)
Pri motion ra	+002		Sec motion ra	+015
Pri motion dec	-003		Sec motion dec	-041
Notes	N (See Notes)

rPM=0.92 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19591+3942	ES 1970	AB	1892	2007	9	150	17.8	10.00	11.60	1.60		<===
Show			19591+3942	BER 1	AE	1924	2014	4	139	46.8	10.00	10.60	0.60
Show			19591+3942	ES 1970	BC	1922	2002	3	335	5.2	11.50	13.20	1.70

Quadruple system
4 visible stars in this system

Precise pa	149.5		Precise sep	17.78		Cdsa2 id	ES 1970 AB		Constellation	Cygnus
Ra deg	19.985275		De deg	39.706500000000005		last precise pa	149.5		last precise sep	17.78

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19591+3942	ES 1970	AB	2007	8	150	17.8	10.01	11.40		D	195906.99+394223.4

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