20153+2428 POU4312AB

Coord 2000	20153+2428		Discov num	POU4312		Comp	AB		Coord arcsec 2000	20 15 14.02 +24 28 19.0
Date first	1899		Date last	2015		Obs	9
Pa first	220		Pa last	222		P.A. Now (θ)	222°
Sep first	20.0		Sep last	19.9		Sep. Now (ρ)	19.9"
Mag pri	9.70		Mag sec	12.80		delta mag (ΔM)	3.1		Spectral class	G0 (yellow)
Pri motion ra	+000		Sec motion ra	+006
Pri motion dec	-005		Sec motion dec	+007
Notes

rPM=1.455 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 15 14 +24 28 19	POU 4312 AB	2015	9	222	19.9	9.70	12.80	3.10		<===
Show			20 15 14 +24 28 19	BKO 818 AC	2015	8	27	8.3	9.70	14.00	4.30
Show			20 15 14 +24 28 19	BKO 818 AD	2015	8	187	17.2	9.70	13.60	3.90

Quadruple system
4 visible stars in this system

Precise pa	222.3		Precise sep	19.884		Constellation	Vulpecula		Tycho2	2159-00459-1
Gaia DR2	1830707995804183552		HD	346089

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20153+2428	POU4312	AB	2009	3	221	20.4	9.70	12.80	G0	D	201514.02+242819.0
20153+2428	POU4312	AB	2015	5	222	19.9	9.70	12.80	G0		201514.02+242819.0

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