20140+3633 SEI1028

Coord 2000	20140+3633		Discov num	SEI1028		Comp			Coord arcsec 2000	20 13 59.02 +36 32 37.9
Date first	1896		Date last	2015		Obs	19
Pa first	177		Pa last	177		P.A. Now (θ)	177°
Sep first	13.7		Sep last	13.3		Sep. Now (ρ)	13.3"
Mag pri	9.27		Mag sec	10.51		delta mag (ΔM)	1.24		Spectral class	B0.5p (blue-white)
Pri motion ra	-004		Sec motion ra	-003
Pri motion dec	-009		Sec motion dec	-010
Notes

rPM=0.135 (< 0.3, Physical double) This double is physical.

Precise pa	176.9		Precise sep	13.253		Constellation	Cygnus		SAO	69648
Tycho2	2683-00664-1		Gaia DR2	24246708480		HD	228450

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20140+3633	SEI1028		2004	11	178	13.3	9.27	10.51	B0.5p	D	201359.02+363237.9
20140+3633	SEI1028		2011	12	177	13.3	9.27	10.51	B0.5p	D	201359.02+363237.9
20140+3633	SEI1028		2015	15	177	13.3	9.27	10.51	B0.5p		201359.02+363237.9

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