20184+2435 POU4351AB

Coord 2000	20184+2435		Discov num	POU4351		Comp	AB		Coord arcsec 2000	20 18 20.96 +24 34 39.0
Date first	1898		Date last	2015		Obs	12
Pa first	90		Pa last	88		P.A. Now (θ)	88°
Sep first	7.1		Sep last	6.8		Sep. Now (ρ)	6.8"
Mag pri	11.70		Mag sec	12.30		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	+016		Sec motion ra	+022
Pri motion dec	-017		Sec motion dec	-009
Notes	R (Red magnitudes)

Visually invisible, K-band or other infrared star rPM=0.421 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88487	20184+2435	POU4351	AB	1898	2015	12	88	6.8	11.70	12.30	0.60		<===
Show		88487	20184+2435	BKO 638	BC	1998	2015	8	21	6.2	12.30	14.90	2.60

Triple system
3 visible stars in this system

Precise pa	88.1		Precise sep	6.835		Constellation	Vulpecula		SAO	88487
Gaia DR2	19190657536

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20184+2435	POU4351	AB	2008	3	89	6.8	11.70	12.40			201827.20+243506.7
20184+2435	POU4351	AB	2010	6	85	5.9	11.70	12.30		R	201820.96+243439.0
20184+2435	POU4351	AB	2015	6	88	6.8	11.70	12.30		R	201820.96+243439.0

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