20145+2808 BRT  47AB

Coord 2000	20145+2808		Discov num	BRT  47		Comp	AB		Coord arcsec 2000	20 14 45.49 +28 07 41.3
Date first	1897		Date last	2018		Obs	13
Pa first	236		Pa last	232		P.A. Now (θ)	232°
Sep first	4.3		Sep last	4.8		Sep. Now (ρ)	4.8"
Mag pri	10.76		Mag sec	10.89		delta mag (ΔM)	0.13		Spectral class	G0 (yellow)
Pri motion ra	+051		Sec motion ra	+049
Pri motion dec	-041		Sec motion dec	-042
Notes	T (Parallax indicates physical)

rPM=0.034 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 14 45 +28 07 41	BRT 47 AB	2018	13	232	4.8	10.76	10.89	0.13		<===
Show			20 14 45 +28 07 41	BRT 47 AC	2007	4	215	40.4	10.76	12.94	2.18

Triple system
3 visible stars in this system

Precise pa	232.2		Precise sep	4.773		Constellation	Vulpecula		Tycho2	2167-00004-1
Gaia DR2	1837016581201504384		HD	334002

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20145+2808	BRT 47	AB	2007	8	232	4.7	10.76	10.89	G0	D	201445.49+280741.3
20145+2808	BRT 47	AB	2015	10	232	4.7	10.76	10.89	G0	W	201445.49+280741.3
20145+2808	BRT 47	AB	2018	12	232	4.8	10.76	10.89	G0	VW	201445.49+280741.3

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