20105+4316 ROE  41

Coord 2000	20105+4316		Discov num	ROE  41		Comp			Coord arcsec 2000	20 10 25.34 +43 15 32.2
Date first	1892		Date last	2015		Obs	14
Pa first	338		Pa last	338		P.A. Now (θ)	338°
Sep first	4.9		Sep last	6.0		Sep. Now (ρ)	6"
Mag pri	10.91		Mag sec	11.30		delta mag (ΔM)	0.39		Spectral class
Pri motion ra	+006		Sec motion ra	-001
Pri motion dec	-008		Sec motion dec	+011
Notes

rPM=1.833 This double is not physical.

Precise pa	337.8		Precise sep	5.952		Constellation	Cygnus		Tycho2	3163-01627-1
Gaia DR2	51958779136

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20105+4316	ROE 41		1998	6	338	5.9	10.91	11.30		D	201025.34+431532.2
20105+4316	ROE 41		2010	7	338	6.0	10.91	11.30		D	201025.34+431532.2
20105+4316	ROE 41		2015	10	338	6.0	10.91	11.30			201025.34+431532.2

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