19582+1630 BU  149AB

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	127.0		Sep. Now (ρ)	127"
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.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105485	19582+1630	BU 149	AB	1873	2015	17	278	127.0	6.85	10.33	3.48		<===
Show		105485	19582+1630	BU 149	BC	1873	2015	12	202	8.1	10.33	12.90	2.57

Triple system
3 visible stars in this system

Precise pa	278		Precise sep	126.974		Constellation	Sagitta		SAO	105485
HIP	98291		Tycho2	1616-01517-1		Gaia DR2	64623279744		HD	189183
BD	BD+16 4086		Distance	265.96		Distance ly	867.56

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19582+1630	BU 149	AB	2006	14	278	126.2	6.85	10.33	B8	D	195814.29+162937.4
19582+1630	BU 149	AB	2015	17	278	127.0	6.85	10.33	B8		195814.29+162937.4

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