20239+3912 J   129

Coord 2000	20239+3912		Discov num	J   129		Comp			Coord arcsec 2000	20 23 51.83 +39 12 34.8
Date first	1910		Date last	2015		Obs	11
Pa first	20		Pa last	34		P.A. Now (θ)	34°
Sep first	1.0		Sep last	3.3		Sep. Now (ρ)	3.3"
Mag pri	10.57		Mag sec	11.25		delta mag (ΔM)	0.68		Spectral class	G0 (yellow)
Pri motion ra	+012		Sec motion ra	+016
Pri motion dec	+012		Sec motion dec	+017
Notes

rPM=0.274 (< 0.3, Physical double) This double is physical.

Precise pa	34.4		Precise sep	3.333		Constellation	Cygnus		Tycho2	3152-00533-1
Gaia DR2	63540801152		HD	229226

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20239+3912	J 129		2003	9	34	3.3	10.45	11.16		D	202351.83+391234.8
20239+3912	J 129		2015	11	34	3.3	10.57	11.25	G0		202351.83+391234.8

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