19575+0711 GRV 300

Coord 2000	19575+0711		Discov num	GRV 300		Comp			Coord arcsec 2000	19 57 30.94 +07 11 10.6
Date first	1908		Date last	2015		Obs	12
Pa first	20		Pa last	20		P.A. Now (θ)	20°
Sep first	24.2		Sep last	24.2		Sep. Now (ρ)	24.2"
Mag pri	10.48		Mag sec	11.49		delta mag (ΔM)	1.01		Spectral class	K0 (yellow-orange)
Pri motion ra	-013		Sec motion ra	-013
Pri motion dec	-026		Sec motion dec	-027
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.033 (< 0.3, Physical double) This double is physical.

Precise pa	19.5		Precise sep	24.15		Constellation	Aquila		Tycho2	0493-01126-1
Gaia DR2	30707307520		HD	188952

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19575+0711	GRV 300		2000	5	20	24.2	10.48	11.78		D	195730.94+071110.6
19575+0711	GRV 300		2014	6	19	24.1	10.48	11.49	K0		195730.94+071110.6
19575+0711	GRV 300		2015	8	19	24.2	10.48	11.49	K0		195730.94+071110.6

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