20091+3339 STF2638

Coord 2000	20091+3339		Discov num	STF2638		Comp			Coord arcsec 2000	20 09 08.73 +33 39 21.1
Date first	1893		Date last	2015		Obs	22
Pa first	75		Pa last	69		P.A. Now (θ)	69°
Sep first	17.9		Sep last	14.0		Sep. Now (ρ)	14"
Mag pri	8.29		Mag sec	10.50		delta mag (ΔM)	2.21		Spectral class	G5II (yellow)
Pri motion ra	+006		Sec motion ra	-019
Pri motion dec	-006		Sec motion dec	+000
Notes

rPM=1.353 This double is not physical.

Precise pa	68.6		Precise sep	14.026		Constellation	Cygnus		SAO	69508
Tycho2	2675-03140-1		Gaia DR2	38445307904		HD	191511

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20091+3339	STF2638		2005	15	69	14.3	8.29	10.50	G5II	D	200908.73+333921.1
20091+3339	STF2638		2010	17	69	13.7	8.29	10.50	G5II		200908.73+333921.1
20091+3339	STF2638		2015	18	69	14.0	8.29	10.50	G5II		200908.73+333921.1

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