15313-1259 BU 33 AC

15^h 31^m 19.42^s -12° 59' 07.1" P.A. 137.00 sep 259.8 mag 7.92,11.13 Sp F5V dist. 90.74 pc (295.99 l.y.)

Coord 2000	15313-1259		Discov num	BU 33		Comp	AC		Coord arcsec 2000	15 31 19.42 -12 59 07.1
Date first	1898		Date last	2015		Obs	9
Pa first	139		Pa last	137.1		P.A. Now (θ)	137.1°
Sep first	246.5		Sep last	259.792		Sep. Now (ρ)	259.792"
Mag pri	7.92		Mag sec	11.13		delta mag (ΔM)	3.21		Spectral class	F5V (yellow-white)
Pri motion ra	-115		Sec motion ra	-017
Pri motion dec	+041		Sec motion dec	-018
Notes	N (See Notes)

rPM=0.937

This double is not physical.

15313-1259 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 138253		15 31 19 -12 59 07	BU 33 AB	2018	26	37	3.3	7.92	10.12	2.20
Show			15 31 19 -12 59 07	BU 33 AC	2015	9	137	259.8	7.92	11.13	3.21		<===
Show			15 31 19 -12 59 07	DOO 59 AE	2015	11	320	17.6	7.92	13.60	5.68
Show			15 31 31 -13 02 16	BU 34 CD	2017	21	55	6.4	11.13	11.30	0.17

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Libra		HIP	76003		Tycho2	5603-00036-3		Gaia DR2	6266596364220530048
HD	138253		BD	BD-12 4268		Distance	90.74		Distance ly	295.99