20163+3532 ES 2249

Coord 2000	20163+3532		Discov num	ES 2249		Comp			Coord arcsec 2000	20 16 17.01 +35 32 49.4
Date first	1926		Date last	2015		Obs	4
Pa first	171		Pa last	158		P.A. Now (θ)	158°
Sep first	4.3		Sep last	4.9		Sep. Now (ρ)	4.9"
Mag pri	11.83		Mag sec	13.60		delta mag (ΔM)	1.77		Spectral class
Pri motion ra	-007		Sec motion ra	+023
Pri motion dec	+010		Sec motion dec	-001
Notes

rPM=1.388 This double is not physical.

Precise pa	157.6		Precise sep	4.931		Constellation	Cygnus		Tycho2	2680-00704-1
Gaia DR2	18495741824

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20163+3532	ES 2249		1926	1	171	4.3	10.00	11.50			201620.00+353200.0
20163+3532	ES 2249		1999	2	160	4.6	11.83	13.60		D	201617.01+353249.4
20163+3532	ES 2249		2002	3	160	4.8	11.83	13.60		D	201617.01+353249.4
20163+3532	ES 2249		2010	4	158	4.3	11.83	13.60			201617.01+353249.4
20163+3532	ES 2249		2015	4	158	4.9	11.83	13.60			201617.01+353249.4

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