17132-1834 SKF1504AB

Coord 2000	17132-1834		Discov num	SKF1504		Comp	AB		Coord arcsec 2000	17 13 11.56 -18 34 24.8
Date first	1999		Date last	2018		Obs	6
Pa first	195		Pa last	188		P.A. Now (θ)	188°
Sep first	3.5		Sep last	3.2		Sep. Now (ρ)	3.2"
Mag pri	10.90		Mag sec	11.90		delta mag (ΔM)	1		Spectral class	M0Ve+M3Ve (red/red)
Pri motion ra	+036		Sec motion ra
Pri motion dec	-087		Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			17 13 12 -18 34 25	SKF 1504 AB	2018	6	188	3.2	10.90	11.90	1.00		<===
Show			17 13 12 -18 34 25	ELP 39 AC	2008	2	189	3.5	6.48	7.32	0.84
Show		160378	17 13 30 -18 34 00	ELP 39 BC	2018	1	102	0.4	6.50	7.32	0.82

Triple system
3 visible stars in this system

Precise pa	188.2		Precise sep	3.154		Constellation	Ophiuchus		Tycho2	6237-00494-1
Gaia DR2	4134597202897079936

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17132-1834	SKF1504	AB	2008	4	191	3.2	10.90	11.90	M0Ve+M3Ve	V	171311.56-183424.8
17132-1834	SKF1504	AB	2015	5	186	3.2	10.90	11.90	M0Ve+M3Ve	V	171311.56-183424.8
17132-1834	SKF1504	AB	2018	6	188	3.2	10.90	11.90	M0Ve+M3Ve	V	171311.56-183424.8

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