20253+4003 MLB  22

Coord 2000	20253+4003		Discov num	MLB  22		Comp			Coord arcsec 2000	20 25 21.35 +40 04 22.5
Date first	1917		Date last	2015		Obs	13
Pa first	225		Pa last	227		P.A. Now (θ)	227°
Sep first	5.1		Sep last	6.2		Sep. Now (ρ)	6.2"
Mag pri	10.30		Mag sec	11.60		delta mag (ΔM)	1.3		Spectral class
Pri motion ra	+004		Sec motion ra	-020
Pri motion dec	-006		Sec motion dec	-015
Notes

rPM=1.025 This double is not physical.

Precise pa	227.3		Precise sep	6.177		Constellation	Cygnus		SAO	70001
Tycho2	3156-01167-1		Gaia DR2	52487029376

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20253+4003	MLB 22		1998	6	227	6.2	10.30	11.60		DI	202521.35+400422.5
20253+4003	MLB 22		2009	7	228	5.8	10.30	11.60		D	202521.35+400422.5
20253+4003	MLB 22		2015	9	227	6.2	10.30	11.60			202521.35+400422.5

If you need more information about this double, apply for a data request form to the WDS.