20040+3309 SEI 832

Coord 2000	20040+3309		Discov num	SEI 832		Comp			Coord arcsec 2000	20 03 55.83 +33 08 46.9
Date first	1893		Date last	2015		Obs	15
Pa first	219		Pa last	219		P.A. Now (θ)	219°
Sep first	22.9		Sep last	22.2		Sep. Now (ρ)	22.2"
Mag pri	9.97		Mag sec	11.22		delta mag (ΔM)	1.25		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-004		Sec motion dec	-002
Notes

rPM=0.485 Nature of this double is uncertain.

Precise pa	218.7		Precise sep	22.173		Constellation	Cygnus		SAO	69330
Tycho2	2674-04432-1		Gaia DR2	30768916736		HD	227411

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20040+3309	SEI 832		1991	6	219	22.2	10.03	11.04		B	200355.83+330846.9
20040+3309	SEI 832		1998	7	219	22.3	10.03	11.04		B	200355.83+330846.9
20040+3309	SEI 832		2011	8	218	22.2	10.03	11.04		B	200355.83+330846.9
20040+3309	SEI 832		2015	11	219	22.2	9.97	11.22	A0		200355.83+330846.9

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