19510+1025 HLA 21 AF

Coord 2000	19510+1025		Discov num	HLA  21		Comp	AF		Coord arcsec 2000	19 51 01.64 +10 24 56.6
Date first	2015		Date last	2016		Obs	2
Pa first	113		Pa last	112.3		P.A. Now (θ)	112.3°
Sep first	3.8		Sep last	3.47		Sep. Now (ρ)	3.47"
Mag pri	3.90		Mag sec			delta mag (ΔM)			Spectral class	F8V (yellow-white)
Pri motion ra	+242		Sec motion ra
Pri motion dec	-137		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		105338	19 51 02 +10 24 57	J 124 AB	2016	11	254	20.5	5.11	13.50	8.39
Show		105338	19 51 02 +10 24 57	J 124 AC	2016	21	220	21.5	5.11	13.70	8.59
Show		105338	19 51 02 +10 24 57	POP 1228 AD	2016	9	122	48.3	5.11	13.20	8.09
Show	Omi Aql	105338	19 51 02 +10 24 57	POP 1228 AE	2016	9	149	80.5	5.19	12.14	6.95
Show		105338	19 51 02 +10 24 57	HLA 21 AF	2016	2	112	3.5	3.90				<===
Show		105338	19 51 02 +10 24 57	HLA 21 AG	2016	2	175	6.7	3.90

Septuple system
7 estimated visually detectable stars in this system

Constellation	Aquila		SAO	105338		HIP	97675		Tycho2	1062-02701-1
HD	187691		HR	7560		GC	27480		ADS	13012
GL	Gl 768.1A		BD	BD+10 4073		Bayer	Omicron Aquilae		Bayer name	Omi Aql
Flamsteed	54 Aquilae		Flamsteed name	54 Aql		Distance	19.19		Distance ly	62.6
Bayer greek	ο Aql