20119+3510 SEI 988

Coord 2000	20119+3510		Discov num	SEI 988		Comp			Coord arcsec 2000	20 12 02.08 +35 09 55.6
Date first	1896		Date last	2015		Obs	20
Pa first	0		Pa last	3		P.A. Now (θ)	3°
Sep first	3.4		Sep last	3.8		Sep. Now (ρ)	3.8"
Mag pri	10.88		Mag sec	11.42		delta mag (ΔM)	0.54		Spectral class	B9 (blue-white)
Pri motion ra	-004		Sec motion ra	-004
Pri motion dec	-025		Sec motion dec	+004
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.145 This double is not physical.

Precise pa	3.4		Precise sep	3.78		Constellation	Cygnus		Tycho2	2679-01693-1
Gaia DR2	84673009920

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20119+3510	SEI 988		2001	13	4	3.8	10.88	11.42		N D	201202.08+350955.6
20119+3510	SEI 988		2010	14	3	3.7	10.88	11.42		N D	201202.08+350955.6
20119+3510	SEI 988		2011	17	3	3.5	10.88	11.42		N D	201202.08+350955.6
20119+3510	SEI 988		2013	19	4	3.8	10.88	11.42	B9	N	201202.08+350955.6
20119+3510	SEI 988		2015	20	3	3.8	10.88	11.42	B9	N	201202.08+350955.6

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