20085+3648 SEI 913

Coord 2000	20085+3648		Discov num	SEI 913		Comp			Coord arcsec 2000	20 08 31.88 +36 47 32.3
Date first	1896		Date last	2015		Obs	8
Pa first	45		Pa last	46		P.A. Now (θ)	46°
Sep first	11.4		Sep last	5.3		Sep. Now (ρ)	5.3"
Mag pri	10.41		Mag sec	11.10		delta mag (ΔM)	0.69		Spectral class	K2III (yellow-orange)
Pri motion ra	+038		Sec motion ra	+005
Pri motion dec	+042		Sec motion dec	+005
Notes

rPM=0.875 This double is not physical.

Precise pa	46.1		Precise sep	5.302		Constellation	Cygnus		Tycho2	2683-02103-1
Gaia DR2	95721163392

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20085+3648	SEI 913		1998	4	46	6.1	10.41	11.10	K2III	D	200831.88+364732.3
20085+3648	SEI 913		2002	5	46	5.9	10.41	11.10	K2III	D	200831.88+364732.3
20085+3648	SEI 913		2010	6	47	5.6	10.41	11.10	K2III		200831.88+364732.3
20085+3648	SEI 913		2015	7	46	5.3	10.41	11.10	K2III		200831.88+364732.3

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