11420-1701 TOK 384Aa,Ab

Coord 2000	11420-1701		Discov num	TOK 384		Comp	Aa,Ab		Coord arcsec 2000	11 42 02.56 -17 00 59.4
Date first	2013		Date last	2019		Obs	17
Pa first	309		Pa last	191		P.A. Now (θ)	191°
Sep first	0.1		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	7.60		Mag sec	11.20		delta mag (ΔM)	3.6		Spectral class	F5V (yellow-white)
Pri motion ra	-085		Sec motion ra
Pri motion dec	+046		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		156839	11 42 03 -17 00 59	TOK 384 Aa,Ab	2019	17	191	0.2	7.60	11.20	3.60		<===
Show		156839	11 42 03 -17 00 59	TOK 384 AB	2019	11	272	1.0	7.60	12.90	5.30

Triple system
2 visible stars in this system

Precise pa	190.6		Precise sep	0.185		Constellation	Crater		SAO	156839
HIP	57078		Tycho2	6086-01612-1		Gaia DR2	3547477583011141632		HD	101694
BD	BD-16 3308		Distance	58.69		Distance ly	191.45

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
11420-1701	TOK 384	Aa,Ab	2013	2	131	0.2	7.60	11.20			114202.56-170059.4
11420-1701	TOK 384	Aa,Ab	2015	4	174	0.1	7.60	11.20	F5V		114202.56-170059.4
11420-1701	TOK 384	Aa,Ab	2017	13	137	0.1	7.60	11.20	F5V		114202.56-170059.4
11420-1701	TOK 384	Aa,Ab	2018	15	178	0.2	7.60	11.20	F5V	O	114202.56-170059.4
11420-1701	TOK 384	Aa,Ab	2019	17	191	0.2	7.60	11.20	F5V	O	114202.56-170059.4

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