20007+2243 HLA 23 AD

Coord 2000	20007+2243		Discov num	HLA  23		Comp	AD		Coord arcsec 2000	20 00 43.71 +22 42 39.1
Date first	2015		Date last	2017		Obs	3
Pa first	223		Pa last	227.9		P.A. Now (θ)	227.9°
Sep first	8.7		Sep last	8.33		Sep. Now (ρ)	8.33"
Mag pri	5.50		Mag sec	15.10		delta mag (ΔM)	9.6		Spectral class	K0V (yellow-orange)
Pri motion ra	-002		Sec motion ra
Pri motion dec	-250		Sec motion dec
Notes	N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88060	20 00 44 +22 42 39	BAK 1 AB	2021	9	244	11.3	7.78	14.70	6.92
Show	V452 Vul	88060	20 00 44 +22 42 39	HLA 23 AC	2017	3	208	7.3	5.50	14.40	8.90
Show		88060	20 00 44 +22 42 39	HLA 23 AD	2017	3	228	8.3	5.50	15.10	9.60		<===
Show		88060	20 00 44 +22 42 39	HLA 23 AE	2017	3	203	9.2	5.50	14.70	9.20
Show		88060	20 00 44 +22 42 39	HLA 23 AF	2017	4	309	12.7	5.50	15.00	9.50

Sextuple system
6 estimated visually detectable stars in this system

Var name	V452 Vul		Constellation	Vulpecula		SAO	88060		HIP	98505
Tycho2	2141-00972-1		HD	189733		GL	NN 4130		BD	BD+22 3887
Distance	19.45		Distance ly	63.45