15595-7107 BSO 21 AC (HD 142341)

15^h 59^m 32.42^s -71° 06' 45.3" P.A. 320.00 sep 37.7 mag 7.92,8.65 Sp G5

Coord 2000	15595-7107		Discov num	BSO 21		Comp	AC		Coord arcsec 2000	15 59 32.42 -71 06 45.3
Date first	1835		Date last	2007		Obs	17
Pa first	314		Pa last	319.7		P.A. Now (θ)	319.7°
Sep first	35.0		Sep last	37.7		Sep. Now (ρ)	37.7"
Mag pri	7.92		Mag sec	8.65		delta mag (ΔM)	0.73		Spectral class	G5 (yellow)
Pri motion ra	-013		Sec motion ra	-011
Pri motion dec	-041		Sec motion dec	-006
Notes

rPM=0.815

This double is not physical.

15595-7107 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		257343	15 59 32 -71 06 45	B 2372 AB	2016	6	245	9.5	7.92	14.00	6.08
Show	HD 142341	257343	15 59 32 -71 06 45	BSO 21 AC	2007	17	320	37.7	7.92	8.65	0.73		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 142341		Constellation	Apus		SAO	257343		Tycho2	9264-00347-1
Gaia DR2	5818863925047168896		HD	142341