20133+3502 ARY  23AB

Coord 2000	20133+3502		Discov num	ARY  23		Comp	AB		Coord arcsec 2000	20 13 18.85 +35 01 30.5
Date first	1896		Date last	2018		Obs	16
Pa first	28		Pa last	28		P.A. Now (θ)	28°
Sep first	76.2		Sep last	81.6		Sep. Now (ρ)	81.6"
Mag pri	8.48		Mag sec	8.89		delta mag (ΔM)	0.41		Spectral class	O7+G0V (blue/yellow)
Pri motion ra	-001		Sec motion ra	+027
Pri motion dec	-008		Sec motion dec	+023
Notes

rPM=1.178 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69627	20133+3502	ARY 23	AB	1896	2018	16	28	81.6	8.48	8.89	0.41		<===
Show		69630	20133+3502	ARY 23	BC	1896	2018	15	339	65.0	8.89	10.56	1.67
Show		69630	20133+3502	SKF2392	BD	1936	2018	15	346	14.0	8.89	12.80	3.91

Quadruple system
4 visible stars in this system

Precise pa	28.2		Precise sep	81.55		Constellation	Cygnus		SAO	69627
Tycho2	2679-00456-1		Gaia DR2	52617308672		HD	228368

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20133+3502	ARY 23	AB	2001	9	29	79.8	8.48	8.89		D	201318.85+350130.5
20133+3502	ARY 23	AB	2011	10	28	81.0	8.48	8.89		D	201318.85+350130.5
20133+3502	ARY 23	AB	2015	12	28	81.3	8.48	8.89	O7+G0V		201318.85+350130.5
20133+3502	ARY 23	AB	2018	16	28	81.6	8.48	8.89	O7+G0V		201318.85+350130.5

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