19582+1630 BU 149 AB (HD 189183)

19^h 58^m 14.29^s +16° 29' 37.4" P.A. 278.00 sep 127.0 mag 6.85,10.33 Sp B8 dist. 265.96 pc (867.56 l.y.)

Coord 2000	19582+1630		Discov num	BU 149		Comp	AB		Coord arcsec 2000	19 58 14.29 +16 29 37.4
Date first	1873		Date last	2015		Obs	17
Pa first	280		Pa last	278		P.A. Now (θ)	278°
Sep first	125.0		Sep last	126.974		Sep. Now (ρ)	126.974"
Mag pri	6.85		Mag sec	10.33		delta mag (ΔM)	3.48		Spectral class	B8 (blue-white)
Pri motion ra	+002		Sec motion ra	+004
Pri motion dec	-007		Sec motion dec	-004
Notes

rPM=0.495

Nature of this double is uncertain.

19582+1630 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 189183	105485	19 58 14 +16 29 37	BU 149 AB	2015	17	278	127.0	6.85	10.33	3.48		<===
Show			19 58 06 +16 29 55	BU 149 BC	2015	12	202	8.1	10.33	12.90	2.57

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 189183		Constellation	Sagitta		SAO	105485		HIP	98291
Tycho2	1616-01517-1		Gaia DR2	1820126364623279744		HD	189183		GC	27660
BD	BD+16 4086		Distance	265.96		Distance ly	867.56