20025+3450 SEI 812

Coord 2000	20025+3450		Discov num	SEI 812		Comp			Coord arcsec 2000	20 02 37.78 +34 52 43.7
Date first	1894		Date last	2015		Obs	8
Pa first	154		Pa last	156		P.A. Now (θ)	156°
Sep first	9.8		Sep last	6.9		Sep. Now (ρ)	6.9"
Mag pri	10.91		Mag sec	15.30		delta mag (ΔM)	4.39		Spectral class	G5III (yellow)
Pri motion ra	+006		Sec motion ra	+020
Pri motion dec	+011		Sec motion dec	+001
Notes

rPM=0.859 This double is not physical.

Precise pa	155.5		Precise sep	6.901		Constellation	Cygnus		SAO	69304
Tycho2	2678-01211-1		Gaia DR2	02578736640

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20025+3450	SEI 812		1894	1	154	9.8	11.00	11.00		N	200230.59+344937.9
20025+3450	SEI 812		2000	3	156	6.7	10.91	15.30	G5III		200237.78+345243.7
20025+3450	SEI 812		2002	4	156	6.8	10.91	15.30	G5III		200237.78+345243.7
20025+3450	SEI 812		2015	4	156	6.8	10.91	15.30	G5III		200237.78+345243.7

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