15202-3823 DUN 181AB

Coord 2000	15202-3823		Discov num	DUN 181		Comp	AB		Coord arcsec 2000	15 20 14.11 -38 22 43.3
Date first	1912		Date last	2020		Obs	12
Pa first	349		Pa last	351		P.A. Now (θ)	351°
Sep first	28.8		Sep last	30.0		Sep. Now (ρ)	30"
Mag pri	9.60		Mag sec	10.18		delta mag (ΔM)	0.58		Spectral class	B9V (blue-white)
Pri motion ra	-004		Sec motion ra	+008
Pri motion dec	-011		Sec motion dec	+001
Notes

rPM=1.45 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		206530	15 20 14 -38 22 43	DUN 181 AB	2020	12	351	30.0	9.60	10.18	0.58		<===
Show		206530	15 20 14 -38 22 14	DUN 181 BC	2020	8	317	21.0	10.18	10.50	0.32
Show		206530	15 20 14 -38 22 14	DUN 181 BD	2015	5	339	16.4	10.18	11.52	1.34
Show		206530	15 20 13 -38 21 58	DUN 181 CD	2020	8	91	8.2	11.65	13.30	1.65

Quadruple system
4 visible stars in this system

Precise pa	351.1		Precise sep	29.97		Constellation	Lupus		SAO	206530
Tycho2	7835-01752-1		Gaia DR2	6006932605834289792		HD	136125

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15202-3823	DUN 181	AB	1999	9	351	29.9	9.60	10.32	B9V	D	152014.11-382243.3
15202-3823	DUN 181	AB	2015	11	351	29.9	9.60	10.18	B9V		152014.11-382243.3

If you need more information about this double, apply for a data request form to the WDS.