18157+1822 UC 3536 (TZ Lyr)

18^h 15^m 39.23^s +18° 21' 32.0" P.A. 44.00 sep 24.8 mag 15.40,16.60 dist. 225.73 pc (736.33 l.y.)

Coord 2000	18157+1822	Discov num	UC 3536	Comp		Coord arcsec 2000	18 15 39.23 +18 21 32.0
Date first	1999	Date last	2015	Obs	4
Pa first	37	Pa last	43.5	P.A. Now (θ)	43.5°
Sep first	29.4	Sep last	24.791	Sep. Now (ρ)	24.791"
Mag pri	15.40	Mag sec	16.60	delta mag (ΔM)	1.2	Spectral class
Pri motion ra	-001	Sec motion ra	+001
Pri motion dec	+083	Sec motion dec	+057
Notes	V (Proper motion indicates physical)

rPM=0.314

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	TZ Lyr		Constellation	Hercules		HIP	89498		Gaia DR2	4526323341562487040
BD	BD+41 3021		Distance	225.73		Distance ly	736.33