20124-1237 RAO  88CD

Coord 2000	20124-1237		Discov num	RAO  88		Comp	CD		Coord arcsec 2000	20 12 09.45 -12 53 35.3
Date first	2000		Date last	2015		Obs	3
Pa first	262		Pa last	273		P.A. Now (θ)	273°
Sep first	15.3		Sep last	18.0		Sep. Now (ρ)	18"
Mag pri	11.20		Mag sec	15.59		delta mag (ΔM)	4.39		Spectral class	M0Vk (red)
Pri motion ra	+193		Sec motion ra	-017
Pri motion dec	-190		Sec motion dec	-017
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=1.005 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Xi Cap	163337	20 12 26 -12 37 03	BUP 206 AB	2014	8	272	90.5	5.89	12.75	6.86
Show		163337	20 12 26 -12 37 03	TDT 2085 AC	2016	10	194	999.9	5.89	11.20	5.31
Show			20 12 09 -12 53 35	RAO 88 CD	2015	3	273	18.0	11.20	15.59	4.39		<===

Quadruple system
4 visible stars in this system

Precise pa	272.7		Precise sep	18.037		Constellation	Capricornus		HIP	99550
Tycho2	5748-00175-1		Gaia DR2	6879662263797806976		Distance	23.61		Distance ly	77.02

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20124-1237	RAO 88	CD	2013	2	271	17.8	11.20	15.59	M0Vk	U	201209.45-125335.3
20124-1237	RAO 88	CD	2015	3	273	18.0	11.20	15.59	M0Vk	NU	201209.45-125335.3

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