20311+2429 POU4553AB

Coord 2000	20311+2429		Discov num	POU4553		Comp	AB		Coord arcsec 2000	20 31 06.07 +24 29 32.4
Date first	1899		Date last	2015		Obs	6
Pa first	285		Pa last	282		P.A. Now (θ)	282°
Sep first	14.1		Sep last	12.8		Sep. Now (ρ)	12.8"
Mag pri	12.53		Mag sec	13.50		delta mag (ΔM)	0.97		Spectral class
Pri motion ra	+004		Sec motion ra	+014
Pri motion dec	-002		Sec motion dec	-013
Notes

rPM=0.778 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 31 06 +24 29 32	POU 4553 AB	2015	6	282	12.8	12.53	13.50	0.97		<===
Show			20 31 05 +24 29 36	BKO 450 BC	2008	1	291	1.4	13.50	14.00	0.50

Triple system
3 visible stars in this system

Precise pa

281.9

Precise sep

12.825

Constellation

Vulpecula

Gaia DR2

1831601933107835520

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20311+2429	POU4553	AB	2008	2	282	13.0	12.53	12.60			203106.07+242932.4
20311+2429	POU4553	AB	2013	5	282	13.2	12.53	13.50			203106.07+242932.4
20311+2429	POU4553	AB	2015	6	282	12.8	12.53	13.50			203106.07+242932.4

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