19517+0738 A   376

Coord 2000	19517+0738		Discov num	A   376		Comp			Coord arcsec 2000	19 51 41.96 +07 37 57.7
Date first	1902		Date last	2018		Obs	21
Pa first	127		Pa last	129		P.A. Now (θ)	129°
Sep first	1.8		Sep last	2.3		Sep. Now (ρ)	2.3"
Mag pri	10.01		Mag sec	10.84		delta mag (ΔM)	0.83		Spectral class	F8 (yellow-white)
Pri motion ra	+010		Sec motion ra	+010
Pri motion dec	-002		Sec motion dec	-002
Notes

Nature of this double is uncertain.

Precise pa	128.9		Precise sep	2.271		Constellation	Aquila		Tycho2	1058-00720-1
Gaia DR2	22356277248		HD	187838

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19517+0738	A 376		1991	17	128	2.2	10.01	10.84	F8		195141.96+073757.7
19517+0738	A 376		2012	18	129	2.1	10.01	10.84	F8		195141.96+073757.7
19517+0738	A 376		2015	19	129	2.2	10.01	10.84	F8		195141.96+073757.7
19517+0738	A 376		2018	20	129	2.3	10.01	10.84	F8		195141.96+073757.7

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