19512+3800 WSI 146BC

Coord 2000	19512+3800		Discov num	WSI 146		Comp	BC		Coord arcsec 2000	19 51 14.13 +38 00 41.1
Date first	1998		Date last	2015		Obs	4
Pa first	285		Pa last	285		P.A. Now (θ)	285°
Sep first	4.4		Sep last	4.5		Sep. Now (ρ)	4.5"
Mag pri	12.50		Mag sec	13.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-003		Sec motion ra	+008
Pri motion dec	-009		Sec motion dec	-059
Notes

rPM=0.86 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 51 13 +38 00 47	SMA 103 AB	2015	9	122	10.1	10.50	12.50	2.00
Show			19 51 14 +38 00 41	WSI 146 BC	2015	4	285	4.5	12.50	13.00	0.50		<===

Triple system
3 visible stars in this system

Precise pa	284.9		Precise sep	4.457		Constellation	Cygnus		Tycho2	3137-00356-1
Gaia DR2	2072175657072222336

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19512+3800	WSI 146	BC	2000	1	283	5.0	12.50	13.00			195114.13+380041.1
19512+3800	WSI 146	BC	2012	2	285	4.6	12.50	13.00			195114.13+380041.1
19512+3800	WSI 146	BC	2015	4	285	4.5	12.50	13.00			195114.13+380041.1

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