20169+3130 HO 588 AB (HD 193010)

20^h 16^m 54.99^s +31° 30' 18.7" P.A. 297.00 sep 50.8 mag 6.91,8.89 Sp A0III dist. 189.39 pc (617.79 l.y.)

Coord 2000	20169+3130		Discov num	HO 588		Comp	AB		Coord arcsec 2000	20 16 54.99 +31 30 18.7
Date first	1893		Date last	2018		Obs	29
Pa first	298		Pa last	297.3		P.A. Now (θ)	297.3°
Sep first	50.7		Sep last	50.761		Sep. Now (ρ)	50.761"
Mag pri	6.91		Mag sec	8.89		delta mag (ΔM)	1.98		Spectral class	A0III (white)
Pri motion ra	-008		Sec motion ra	-009
Pri motion dec	-012		Sec motion dec	-014
Notes

rPM=0.134 (< 0.3, Physical double)

This double is physical.

20169+3130 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 193010	69743	20 16 55 +31 30 19	HO 588 AB	2018	29	297	50.8	6.91	8.89	1.98		<===
Show		69741	20 16 51 +31 30 42	HO 588 BC	2015	13	30	8.7	8.89	12.60	3.71

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 193010		Constellation	Cygnus		SAO	69743		HIP	99967
Tycho2	2672-02200-1		Gaia DR2	2053869548687794048		HD	193010		GC	28190
BD	BD+31 4020		Distance	189.39		Distance ly	617.79