18397+4035 FYM  35AD

Coord 2000	18397+4035		Discov num	FYM  35		Comp	AD		Coord arcsec 2000	18 39 45.59 +40 34 40.0
Date first	1999		Date last	2015		Obs	9
Pa first	277		Pa last	276		P.A. Now (θ)	276°
Sep first	29.6		Sep last	29.8		Sep. Now (ρ)	29.8"
Mag pri	10.28		Mag sec	14.52		delta mag (ΔM)	4.24		Spectral class
Pri motion ra	+017		Sec motion ra	-020
Pri motion dec	+004		Sec motion dec	-003
Notes

rPM=1.862 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 39 46 +40 34 40	AG 225 AB	2020	27	354	6.6	10.28	10.36	0.08
Show			18 39 46 +40 34 40	AG 225 AC	2015	12	236	12.6	10.28	14.00	3.72
Show			18 39 46 +40 34 40	FYM 35 AD	2015	9	276	29.8	10.28	14.52	4.24		<===

Quadruple system
4 visible stars in this system

Precise pa	276.2		Precise sep	29.832		Constellation	Lyra		Tycho2	3109-01844-1
Gaia DR2	2110512775674471936

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18397+4035	FYM 35	AD	2012	4	274	30.1	10.28	14.52			183945.59+403440.0
18397+4035	FYM 35	AD	2015	5	276	29.8	10.28	14.52			183945.59+403440.0

If you need more information about this double, apply for a data request form to the WDS.