20196+3808 SEI1084AB

Coord 2000	20196+3808		Discov num	SEI1084		Comp	AB		Coord arcsec 2000	20 19 34.66 +38 07 24.3
Date first	1895		Date last	2015		Obs	12
Pa first	248		Pa last	247		P.A. Now (θ)	247°
Sep first	26.2		Sep last	26.3		Sep. Now (ρ)	26.3"
Mag pri	11.30		Mag sec	11.80		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	+004		Sec motion ra	-003
Pri motion dec	-004		Sec motion dec	+001
Notes

rPM=1.521 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 19 35 +38 07 24	SEI 1084 AB	2015	12	247	26.3	11.30	11.80	0.50		<===
Show			20 19 35 +38 07 24	TOB 185 AC	2015	9	259	13.6	11.30	11.80	0.50

Triple system
3 visible stars in this system

Precise pa	247.3		Precise sep	26.277		Constellation	Cygnus		Tycho2	3151-02399-1
Gaia DR2	2061060389090597504

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20196+3808	SEI1084	AB	1998	5	247	26.2	10.50	11.00		D	201934.66+380724.3
20196+3808	SEI1084	AB	2009	6	247	26.3	10.50	11.00		D	201934.66+380724.3
20196+3808	SEI1084	AB	2015	8	247	26.3	11.30	11.80			201934.66+380724.3

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