20223+4748 ES   29AD

Coord 2000	20223+4748		Discov num	ES   29		Comp	AD		Coord arcsec 2000	20 22 16.67 +47 47 39.5
Date first	1900		Date last	2018		Obs	13
Pa first	323		Pa last	319		P.A. Now (θ)	319°
Sep first	31.8		Sep last	31.3		Sep. Now (ρ)	31.3"
Mag pri	9.50		Mag sec	11.43		delta mag (ΔM)	1.93		Spectral class	F5 (yellow-white)
Pri motion ra	+012		Sec motion ra	+002
Pri motion dec	+006		Sec motion dec	-005
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.108 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49538	20223+4748	HJ 1510	AB	1828	2018	22	149	4.6	9.50	9.84	0.34
Show		49538	20223+4748	ES 29	AC	1900	2015	8	326	6.7	9.50	13.90	4.40
Show		49538	20223+4748	ES 29	AD	1900	2018	13	319	31.3	9.50	11.43	1.93		<===
Show		49538	20223+4748	ES 29	AE	1901	2018	11	122	55.9	9.50	10.97	1.47
Show		49538	20223+4748	HJ 1511	EF	1828	2015	11	237	11.6	10.98	12.20	1.22

Sextuple system
6 visible stars in this system

Precise pa	318.8		Precise sep	31.304		Constellation	Cygnus		SAO	49538
Tycho2	3576-01819-1		Gaia DR2	12755388416		HD	194192

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20223+4748	ES 29	AD	2003	10	319	31.3	9.50	11.60	F5	D	202216.67+474739.5
20223+4748	ES 29	AD	2015	12	319	31.3	9.50	11.43	F5	N	202216.67+474739.5
20223+4748	ES 29	AD	2018	13	319	31.3	9.50	11.43	F5	N	202216.67+474739.5

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