18379+3505 POP 16 AB

18^h 37^m 52.53^s +35° 03' 59.1" P.A. 310.00 sep 9.2 mag 10.83,13.70

Coord 2000	18379+3505		Discov num	POP 16		Comp	AB		Coord arcsec 2000	18 37 52.53 +35 03 59.1
Date first	1968		Date last	2015		Obs	17
Pa first	307		Pa last	309.5		P.A. Now (θ)	309.5°
Sep first	8.5		Sep last	9.196		Sep. Now (ρ)	9.196"
Mag pri	10.83		Mag sec	13.70		delta mag (ΔM)	2.87		Spectral class
Pri motion ra	+002		Sec motion ra	-066
Pri motion dec	-011		Sec motion dec	+021
Notes

rPM=1.085

This double is not physical.

18379+3505 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 37 53 +35 03 59	POP 16 AB	2015	17	310	9.2	10.83	13.70	2.87		<===
Show			18 37 53 +35 03 59	POP 16 AC	2015	16	279	53.0	10.83	11.38	0.55
Show			18 37 53 +35 03 59	DAM 688 AD	2015	7	108	5.4	10.83	15.00	4.17

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lyra

Tycho2

2645-01050-1

Gaia DR2

2094835079892216064