20452-3057 FAL  70AB

Coord 2000	20452-3057		Discov num	FAL  70		Comp	AB		Coord arcsec 2000	20 45 14.02 -30 57 20.3
Date first	1966		Date last	2015		Obs	5
Pa first	85		Pa last	76		P.A. Now (θ)	76°
Sep first	21.4		Sep last	17.5		Sep. Now (ρ)	17.5"
Mag pri	8.75		Mag sec	10.53		delta mag (ΔM)	1.78		Spectral class	F9V (yellow-white)
Pri motion ra	+081		Sec motion ra	+003
Pri motion dec	-070		Sec motion dec	-001
Notes	N (See Notes)

rPM=0.973 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		212405	20 45 14 -30 57 20	FAL 70 AB	2015	5	76	17.5	8.75	10.53	1.78		<===
Show		212405	20 45 14 -30 57 20	TOK 340 AC	1999	7	235	539.4	8.75	10.48	1.73
Show			20 44 39 -31 02 26	JSP 817 CD	2016	4	75	2.2	10.48	13.20	2.72

Quadruple system
4 visible stars in this system

Precise pa	75.8		Precise sep	17.492		Constellation	Microscopium		SAO	212405
HIP	102418		Tycho2	7457-01614-1		Gaia DR2	6794091774931177856		HD	197499
CD	CD-3117817		CP	CP-31 6336		Distance	65.53		Distance ly	213.76

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20452-3057	FAL 70	AB	1998	3	79	18.8	8.62	11.32	F9V	N D	204514.02-305720.3
20452-3057	FAL 70	AB	1999	4	79	18.5	8.62	11.32	F9V	N D	204514.02-305720.3
20452-3057	FAL 70	AB	2015	5	76	17.5	8.75	10.53	F9V	N	204514.02-305720.3

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