20208+3748 SEI1095

Coord 2000	20208+3748		Discov num	SEI1095		Comp			Coord arcsec 2000	20 20 50.36 +37 48 07.7
Date first	1895		Date last	2017		Obs	14
Pa first	63		Pa last	63		P.A. Now (θ)	63°
Sep first	25.4		Sep last	24.7		Sep. Now (ρ)	24.7"
Mag pri	11.63		Mag sec	12.13		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-004		Sec motion ra	-004
Pri motion dec	-003		Sec motion dec	-002
Notes

rPM=0.2 (< 0.3, Physical double) This double is physical.

Precise pa	62.6		Precise sep	24.685		Constellation	Cygnus		SAO	69873
Tycho2	3152-01604-1		Gaia DR2	53245577984

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20208+3748	SEI1095		1998	5	63	24.7	11.58	12.11		D	202050.36+374807.7
20208+3748	SEI1095		2002	6	63	24.7	11.58	12.11		D	202050.36+374807.7
20208+3748	SEI1095		2015	8	63	24.7	11.63	12.13			202050.36+374807.7
20208+3748	SEI1095		2017	10	63	24.7	11.63	12.13			202050.36+374807.7

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