20122+3603 SEI 994

Coord 2000	20122+3603		Discov num	SEI 994		Comp			Coord arcsec 2000	20 12 10.46 +36 02 38.7
Date first	1896		Date last	2015		Obs	15
Pa first	251		Pa last	250		P.A. Now (θ)	250°
Sep first	26.9		Sep last	27.1		Sep. Now (ρ)	27.1"
Mag pri	10.72		Mag sec	11.44		delta mag (ΔM)	0.72		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra	+000
Pri motion dec	-002		Sec motion dec	-003
Notes

rPM=0.471 Nature of this double is uncertain.

Precise pa	250		Precise sep	27.084		Constellation	Cygnus		Tycho2	2683-03074-1
Gaia DR2	32000097536

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20122+3603	SEI 994		2002	8	250	27.2	10.72	11.44		D	201210.46+360238.7
20122+3603	SEI 994		2010	10	250	27.0	10.72	11.44	A0		201210.46+360238.7
20122+3603	SEI 994		2015	11	250	27.1	10.72	11.44	A0		201210.46+360238.7

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