20313+2353 POU4559AB

Coord 2000	20313+2353		Discov num	POU4559		Comp	AB		Coord arcsec 2000	20 31 23.28 +23 53 36.5
Date first	1899		Date last	2015		Obs	5
Pa first	172		Pa last	177		P.A. Now (θ)	177°
Sep first	7.9		Sep last	7.6		Sep. Now (ρ)	7.6"
Mag pri	11.75		Mag sec	13.10		delta mag (ΔM)	1.35		Spectral class
Pri motion ra	-004		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

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 23 +23 53 36	POU 4559 AB	2015	5	177	7.6	11.75	13.10	1.35		<===
Show			20 31 23 +23 53 36	BKO 451 AC	2015	4	137	3.4	11.70	13.50	1.80

Triple system
3 visible stars in this system

Precise pa

176.5

Precise sep

7.611

Constellation

Vulpecula

Gaia DR2

1831356123535581696

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20313+2353	POU4559	AB	2008	2	177	7.7	11.75	13.10			203123.28+235336.5
20313+2353	POU4559	AB	2015	5	177	7.6	11.75	13.10			203123.28+235336.5

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