19422-1015 RST4639

Coord 2000	19422-1015		Discov num	RST4639		Comp			Coord arcsec 2000	19 42 08.04 -10 15 18.7
Date first	1940		Date last	1991		Obs	3
Pa first	19		Pa last	29		P.A. Now (θ)	29°
Sep first	0.4		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	10.21		Mag sec	10.45		delta mag (ΔM)	0.24		Spectral class	G5 (yellow)
Pri motion ra	+000		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Precise pa	28.6		Precise sep	0.42		Constellation	Aquila		Tycho2	5728-01981-1
Gaia DR2	07258482048		HD	185989

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19422-1015	RST4639		1951	2	16	0.4	9.70	12.50	G5		194208.04-101518.7
19422-1015	RST4639		1991	3	29	0.4	10.21	10.45	G5	N	194208.04-101518.7

If you need more information about this double, apply for a data request form to the WDS.