19444+3859 ALI 899AC

Coord 2000	19444+3859		Discov num	ALI 899		Comp	AC		Coord arcsec 2000	19 44 23.30 +38 59 14.6
Date first	1928		Date last	2015		Obs	5
Pa first	58		Pa last	78		P.A. Now (θ)	78°
Sep first	15.1		Sep last	10.5		Sep. Now (ρ)	10.5"
Mag pri	11.10		Mag sec	12.60		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	+019		Sec motion ra	+007
Pri motion dec	+058		Sec motion dec	-003
Notes	N (See Notes)

rPM=1.019 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 44 23 +38 59 15	ALI 899 AB	2016	6	183	3.4	11.10	12.00	0.90
Show			19 44 23 +38 59 15	ALI 899 AC	2015	5	78	10.5	11.10	12.60	1.50		<===

Triple system
3 visible stars in this system

Precise pa	77.8		Precise sep	10.504		Constellation	Cygnus		Tycho2	3136-00195-1
Gaia DR2	2073182023765188224

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19444+3859	ALI 899	AC	1928	1	58	15.1	11.99	13.70			194423.28+385914.8
19444+3859	ALI 899	AC	2011	3	73	11.0	11.10	12.60			194423.30+385914.6
19444+3859	ALI 899	AC	2015	5	78	10.5	11.10	12.60		N	194423.30+385914.6

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