20126+2326 BKO 803 BD

20^h 12^m 37.51^s +23° 25' 48.4" P.A. 20.00 sep 7.3 mag 12.50,14.00

Coord 2000	20126+2326		Discov num	BKO 803		Comp	BD		Coord arcsec 2000	20 12 37.51 +23 25 48.4
Date first	2000		Date last	2015		Obs	8
Pa first	21		Pa last	19.9		P.A. Now (θ)	19.9°
Sep first	7.3		Sep last	7.337		Sep. Now (ρ)	7.337"
Mag pri	12.50		Mag sec	14.00		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	+002		Sec motion ra	+055
Pri motion dec	-023		Sec motion dec	+094
Notes

rPM=1.179

This double is not physical.

20126+2326 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 12 37 +23 25 37	POU 4272 AB	2015	12	32	13.7	12.10	12.50	0.40
Show			20 12 37 +23 25 37	BKO 803 AC	2015	8	58	8.9	12.10	14.70	2.60
Show			20 12 38 +23 25 48	BKO 803 BD	2015	8	20	7.3	12.50	14.00	1.50		<===

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1830539663135397888