19441+1528 TOB 303AC

Coord 2000	19441+1528		Discov num	TOB 303		Comp	AC		Coord arcsec 2000	19 44 04.83 +15 27 53.3
Date first	1988		Date last	2015		Obs	7
Pa first	30		Pa last	30		P.A. Now (θ)	30°
Sep first	16.2		Sep last	13.5		Sep. Now (ρ)	13.5"
Mag pri	13.80		Mag sec	14.40		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	+004		Sec motion ra	+104
Pri motion dec	+012		Sec motion dec	+004
Notes

rPM=0.964 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19441+1528	TOB 303	AB	1997	2015	7	210	7.7	13.80	13.80	0.00
Show			19441+1528	TOB 303	AC	1988	2015	7	30	13.5	13.80	14.40	0.60		<===
Show			19441+1528	TOB 303	AD	1988	2015	7	321	15.8	13.80	13.10	0.70

Quadruple system
4 visible stars in this system

Precise pa

29.8

Precise sep

13.463

Constellation

Aquila

Gaia DR2

65161994112

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19441+1528	TOB 303	AC	1997	2	322	15.7	11.20	12.60		D	194404.72+152751.6
19441+1528	TOB 303	AC	2001	3	29	13.5	13.80	14.40		D	194404.72+152751.6
19441+1528	TOB 303	AC	2015	4	30	13.4	13.80	14.40			194404.83+152753.3

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