19109+3018 JNN 121AB

Coord 2000	19109+3018		Discov num	JNN 121		Comp	AB		Coord arcsec 2000	19 10 54.78 +30 17 47.2
Date first	2008		Date last	2011		Obs	2
Pa first	123		Pa last	129		P.A. Now (θ)	129°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	12.80		Mag sec	14.80		delta mag (ΔM)	2		Spectral class	M1.5+M4 (red/red)
Pri motion ra	-074		Sec motion ra
Pri motion dec	-150		Sec motion dec
Notes	N V (See Notes, 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			19 10 55 +30 17 47	JNN 121 AB	2011	2	129	0.3	12.80	14.80	2.00		<===
Show			19 10 55 +30 17 47	JNN 121 AC	2016	3	71	0.7	12.80	14.30	1.50

Triple system
3 visible stars in this system

Precise pa

128.5

Precise sep

0.298

Constellation

Lyra

Gaia DR2

2039402483926837248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19109+3018	JNN 121	AB	2008	1	123	0.3	12.80	14.80	M1.5 M4		191054.78+301747.2
19109+3018	JNN 121	AB	2011	2	129	0.3	12.80	14.80	M1.5 M4	NV	191054.78+301747.2

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