20343+3950 MLB 883

Coord 2000	20343+3950		Discov num	MLB 883		Comp			Coord arcsec 2000	20 34 17.40 +39 50 18.4
Date first	1933		Date last	2015		Obs	9
Pa first	305		Pa last	310		P.A. Now (θ)	310°
Sep first	9.8		Sep last	10.0		Sep. Now (ρ)	10"
Mag pri	10.50		Mag sec	11.50		delta mag (ΔM)	1		Spectral class
Pri motion ra	-010		Sec motion ra	-017
Pri motion dec	-003		Sec motion dec	+010
Notes

rPM=0.749 Nature of this double is uncertain.

Precise pa	310		Precise sep	10		Constellation	Cygnus		Tycho2	3157-00394-1
Gaia DR2	16693916928

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20343+3950	MLB 883		1998	2	309	10.2	10.50	11.50		D	203417.40+395018.4
20343+3950	MLB 883		2002	3	309	10.2	10.50	11.50		D	203417.40+395018.4
20343+3950	MLB 883		2015	4	310	10.0	10.50	11.50			203417.40+395018.4

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