18310+3857 FYM  40AC

Coord 2000	18310+3857		Discov num	FYM  40		Comp	AC		Coord arcsec 2000	18 31 00.96 +38 56 56.4
Date first	1991		Date last	2012		Obs	4
Pa first	87		Pa last	85		P.A. Now (θ)	85°
Sep first	70.9		Sep last	71.0		Sep. Now (ρ)	71"
Mag pri	10.45		Mag sec	10.64		delta mag (ΔM)	0.19		Spectral class
Pri motion ra	-009		Sec motion ra	-005
Pri motion dec	+011		Sec motion dec	-004
Notes

rPM=1.092 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 31 01 +38 56 56	TDT 922 Aa,Ab	1991	1	15	0.5	11.04	11.23	0.19
Show			18 31 01 +38 56 56	SLE 187 AB	2015	14	210	23.6	10.45	11.60	1.15
Show			18 31 01 +38 56 56	FYM 40 AC	2012	4	85	71.0	10.45	10.64	0.19		<===
Show			18 31 01 +38 56 56	FYM 40 AD	2015	8	294	13.5	10.45	14.50	4.05
Show			18 31 01 +38 56 56	FYM 40 AE	2015	8	210	34.9	10.45	14.50	4.05
Show			18 30 60 +38 56 36	FYM 40 BE	2015	8	210	11.3	11.60	14.50	2.90

Sextuple system
5 visible stars in this system

Precise pa	84.5		Precise sep	71		Constellation	Lyra		Tycho2	3105-00926-1
Gaia DR2	2108501292168293504

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18310+3857	FYM 40	AC	2012	3	85	71.0	10.45	10.64			183100.96+385656.3

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