20019+4052 STTA196AC

Coord 2000	20019+4052		Discov num	STTA196		Comp	AC		Coord arcsec 2000	20 01 51.46 +40 51 31.7
Date first	1922		Date last	2015		Obs	8
Pa first	133		Pa last	132		P.A. Now (θ)	132°
Sep first	138.6		Sep last	137.0		Sep. Now (ρ)	137"
Mag pri	7.31		Mag sec	12.30		delta mag (ΔM)	4.99		Spectral class	A0 (white)
Pri motion ra	+020		Sec motion ra	-002
Pri motion dec	+000		Sec motion dec	-005
Notes	N (See Notes)

rPM=1.128 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49106	20 01 51 +40 51 32	STTA 196 AB	2015	27	169	53.7	7.31	9.26	1.95
Show		49106	20 01 51 +40 51 32	STTA 196 AC	2015	8	132	137.0	7.31	12.30	4.99		<===

Triple system
3 visible stars in this system

Precise pa	132.4		Precise sep	137.001		Constellation	Cygnus		SAO	49106
HIP	98620		Tycho2	3154-01498-1		Gaia DR2	2074406604842901376		HD	190130
BD	BD+40 3982		Distance	617.28		Distance ly	2013.57

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20019+4052	STTA196	AC	1999	2	132	137.3	7.31	12.30	A0	N D	200151.46+405131.7
20019+4052	STTA196	AC	2002	3	132	136.9	7.31	12.30	A0	N D	200151.46+405131.7
20019+4052	STTA196	AC	2015	4	132	137.0	7.31	12.30	A0	N	200151.46+405131.7

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