19534+2020 STFA 48AB

Coord 2000	19534+2020		Discov num	STFA 48		Comp	AB		Coord arcsec 2000	19 53 22.65 +20 20 14.1
Date first	1782		Date last	2014		Obs	60
Pa first	151		Pa last	147		P.A. Now (θ)	147°
Sep first	38.9		Sep last	41.8		Sep. Now (ρ)	41.8"
Mag pri	7.14		Mag sec	7.34		delta mag (ΔM)	0.2		Spectral class	A0 (white)
Pri motion ra	+030		Sec motion ra	+034
Pri motion dec	+016		Sec motion dec	+016
Notes	N Z (See Notes, Parallax indicates components are physical)

rPM=0.106 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19534+2020	STFA 48	AB	1782	2014	60	147	41.8	7.14	7.34	0.20		<===
Show			19534+2020	GUI 28	AC	1895	2013	10	218	223.6	7.14	10.48	3.34
Show			19534+2020	HDS2833	Ba,Bb	1991	2006	2	338	0.2	7.63	9.39	1.76

Quadruple system
3 visible stars in this system

Precise pa	146.5		Precise sep	41.8		Cdsa2 id	STFA 48 AB		Constellation	Vulpecula
Ra deg	19.889625		De deg	20.337249999999997		last precise pa	146.5		last precise sep	41.8

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19534+2020	STFA 48	AB	2005	54	148	42.9	7.14	7.34	A0	NZD	195322.65+202014.1
19534+2020	STFA 48	AB	2012	56	148	42.9	7.14	7.34	A0	NZD	195322.65+202014.1
19534+2020	STFA 48	AB	2013	59	147	42.2	7.14	7.34	A0	NZD	195322.65+202014.1
19534+2020	STFA 48	AB	2014	60	147	41.8	7.14	7.34	A0	NZD	195322.65+202014.1

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