19589-1318 BU 1476AB

Coord 2000	19589-1318		Discov num	BU 1476		Comp	AB		Coord arcsec 2000	19 58 56.63 -13 17 56.9
Date first	1908		Date last	2015		Obs	5
Pa first	158		Pa last	169		P.A. Now (θ)	169°
Sep first	14.8		Sep last	14.9		Sep. Now (ρ)	14.9"
Mag pri	9.68		Mag sec	13.18		delta mag (ΔM)	3.5		Spectral class	K7 (yellow-orange)
Pri motion ra	+032		Sec motion ra	+013
Pri motion dec	+003		Sec motion dec	-010
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.716 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		163154	19589-1318	BU 1476	AB	1908	2015	5	169	14.9	9.68	13.18	3.50		<===
Show		163154	19589-1318	D 31	AC	1864	2015	15	193	132.9	9.68	10.14	0.46

Triple system
3 visible stars in this system

Precise pa	168.7		Precise sep	14.905		Constellation	Sagittarius		SAO	163154
HIP	98352		Tycho2	5750-01002-1		Gaia DR2	07767954560		BD	BD-13 5537
Distance	384.62		Distance ly	1254.63

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19589-1318	BU 1476	AB	2000	2	167	15.0	9.20	13.20	K7	D	195856.61-131757.0
19589-1318	BU 1476	AB	2015	4	169	14.9	9.68	13.18	K7	N	195856.63-131756.9

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