20241+2404 POU4449AB

Coord 2000	20241+2404		Discov num	POU4449		Comp	AB		Coord arcsec 2000	20 24 10.64 +24 04 08.2
Date first	1898		Date last	2015		Obs	5
Pa first	239		Pa last	240		P.A. Now (θ)	240°
Sep first	16.8		Sep last	14.9		Sep. Now (ρ)	14.9"
Mag pri	12.34		Mag sec	14.20		delta mag (ΔM)	1.86		Spectral class
Pri motion ra	-009		Sec motion ra	-011
Pri motion dec	-010		Sec motion dec	-020
Notes

rPM=0.447 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			20241+2404	POU4449	AB	1898	2015	5	240	14.9	12.34	14.20	1.86		<===
Show			20241+2404	BKO 444	AC	1997	2015	4	207	7.6	12.30	14.50	2.20
Show			20241+2404	BKO 444	BD	1997	2015	3	206	3.5	14.20	14.50	0.30

Quadruple system
4 visible stars in this system

Precise pa	239.6		Precise sep	14.923		Constellation	Vulpecula		SAO	88633
Tycho2	2156-00313-1		Gaia DR2	06929541248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20241+2404	POU4449	AB	2008	2	240	15.0	12.34	14.20			202410.64+240408.2
20241+2404	POU4449	AB	2015	5	240	14.9	12.34	14.20			202410.64+240408.2

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