19548+3724 ES 2118AB

Coord 2000	19548+3724		Discov num	ES 2118		Comp	AB		Coord arcsec 2000	19 54 55.11 +37 23 30.0
Date first	1998		Date last	2017		Obs	9
Pa first	279		Pa last	274		P.A. Now (θ)	274°
Sep first	10.1		Sep last	10.7		Sep. Now (ρ)	10.7"
Mag pri	9.83		Mag sec	13.80		delta mag (ΔM)	3.97		Spectral class	F8IV (yellow-white)
Pri motion ra	+026		Sec motion ra
Pri motion dec	+033		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 54 55 +37 23 30	ES 2118 AB	2017	9	274	10.7	9.83	13.80	3.97		<===
Show			19 54 55 +37 23 30	SMA 110 AC	2017	12	1	10.0	9.83	11.90	2.07

Triple system
3 visible stars in this system

Precise pa	273.8		Precise sep	10.705		Constellation	Cygnus		Tycho2	2681-00735-1
Gaia DR2	2071908273923590272		HD	226519

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19548+3724	ES 2118	AB	1924	1	299	7.2	9.83	13.80	F8IV		195455.11+372330.0
19548+3724	ES 2118	AB	2011	2	275	10.5	9.83	13.80	F8IV	N	195455.11+372330.0
19548+3724	ES 2118	AB	2017	5	274	10.7	9.83	13.80	F8IV	N	195455.11+372330.0

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