20139+1441 CHE 221

Coord 2000	20139+1441		Discov num	CHE 221		Comp			Coord arcsec 2000	20 13 52.26 +14 41 22.0
Date first	1897		Date last	2016		Obs	16
Pa first	10		Pa last	7		P.A. Now (θ)	7°
Sep first	19.3		Sep last	17.5		Sep. Now (ρ)	17.5"
Mag pri	9.98		Mag sec	10.41		delta mag (ΔM)	0.43		Spectral class	G0 (yellow)
Pri motion ra	+007		Sec motion ra	+000
Pri motion dec	+005		Sec motion dec	-011
Notes

rPM=1.588 This double is not physical.

Precise pa	7		Precise sep	17.5		Constellation	Aquila		SAO	105862
Tycho2	1085-00739-1		Gaia DR2	44303166976

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20139+1441	CHE 221		2004	7	7	17.8	9.98	10.41		D	201352.26+144122.0
20139+1441	CHE 221		2008	8	8	17.6	9.98	10.41		D	201352.26+144122.0
20139+1441	CHE 221		2010	11	7	17.5	9.98	10.41	G0		201352.26+144122.0
20139+1441	CHE 221		2016	12	7	17.5	9.98	10.41	G0		201352.26+144122.0

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