20139+4539 POP 138

Coord 2000	20139+4539		Discov num	POP 138		Comp			Coord arcsec 2000	20 13 54.48 +45 39 37.6
Date first	1977		Date last	1991		Obs	6
Pa first	34		Pa last	50		P.A. Now (θ)	50°
Sep first	0.4		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	10.50		Mag sec	10.68		delta mag (ΔM)	0.18		Spectral class	F8 (yellow-white)
Pri motion ra	-004		Sec motion ra	-004
Pri motion dec	-005		Sec motion dec	-005
Notes

Nature of this double is uncertain.

Precise pa	49.9		Precise sep	0.48		Constellation	Cygnus		Tycho2	3559-02504-1
HD	192600

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20139+4539	POP 138		1991	6	50	0.5	10.50	10.68	F8		201354.48+453937.6

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