20305-0436 GWP2963

Coord 2000	20305-0436		Discov num	GWP2963		Comp			Coord arcsec 2000	20 30 27.97 -04 35 43.2
Date first	1985		Date last	2015		Obs	8
Pa first	325		Pa last	324		P.A. Now (θ)	324°
Sep first	29.4		Sep last	29.1		Sep. Now (ρ)	29.1"
Mag pri	10.70		Mag sec	12.30		delta mag (ΔM)	1.6		Spectral class
Pri motion ra	-100		Sec motion ra	-100
Pri motion dec	+092		Sec motion dec	+102
Notes	V R (Proper motion indicates physical, Red magnitudes)

Visually invisible, K-band or other infrared star rPM=0.07 (< 0.3, Physical double) This double is physical.

Precise pa	323.7		Precise sep	29.09		Constellation	Aquila		Tycho2	5184-01260-1
Gaia DR2	48765026560

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20305-0436	GWP2963		1998	2	324	29.0	10.70	12.30		V R	203027.97-043543.2
20305-0436	GWP2963		2000	3	323	29.2	10.70	12.30		V R	203027.97-043543.2
20305-0436	GWP2963		2010	4	324	29.1	10.70	12.30		V R	203027.97-043543.2
20305-0436	GWP2963		2015	5	324	29.1	10.70	12.30		V R	203027.97-043543.2

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