20210-1447 STFA 52AC

Coord 2000	20210-1447		Discov num	STFA 52		Comp	AC		Coord arcsec 2000	20 21 00.67 -14 46 53.0
Date first	1905		Date last	2012		Obs	11
Pa first	134		Pa last	133		P.A. Now (θ)	133°
Sep first	227.4		Sep last	226.1		Sep. Now (ρ)	226.1"
Mag pri	3.15		Mag sec	8.83		delta mag (ΔM)	5.68		Spectral class	F8V+A0 (yellow-white/white)
Pri motion ra	+045		Sec motion ra	+039
Pri motion dec	+007		Sec motion dec	+006
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.134 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		163481	20210-1447	BLA 7	Aa,Ab	1976	2019	12	214	0.1	3.10	4.90	1.80	Y
Show	Dabih	163481	20210-1447	STFA 52	AB	1800	2012	41	267	205.4	3.15	6.08	2.93
Show		163481	20210-1447	STFA 52	AC	1905	2012	11	133	226.1	3.15	8.83	5.68		<===
Show		163481	20210-1447	HJ 2948	AD	1891	2000	3	292	115.9	3.15	12.96	9.81
Show		163471	20210-1447	BAR 12	Ba,Bb	1884	2019	26	54	0.5	6.16	9.14	2.98	Y
Show		163471	20210-1447	STFA 52	BC	1895	2015	14	111	396.5	6.08	8.83	2.75
Show		163471	20210-1447	HJ 2948	DE	1823	2000	8	321	3.9	13.70	14.40	0.70

Septuple system
5 visible stars in this system

Precise pa	133		Precise sep	226.14		Constellation	Capricornus		SAO	163481
HIP	100345		Tycho2	5753-02281-1		Gaia DR2	75998568192		HD	193495
HR	7776		GC	28295		BD	BD-15 5629		Bayer	Beta Capricorni
Bayer name	Bet Cap		Flamsteed	9 Capricorni		Flamsteed name	9 Cap		Distance	100.2
Distance ly	326.85

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20210-1447	STFA 52	AC	2002	9	135	225.2	3.15	8.83		N D	202100.65-144653.0
20210-1447	STFA 52	AC	2012	11	133	226.1	3.15	8.83		N D	202100.67-144653.0

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