19430+3433 SEI 663

Coord 2000	19430+3433		Discov num	SEI 663		Comp			Coord arcsec 2000	19 43 07.72 +34 32 54.1
Date first	1783		Date last	2016		Obs	14
Pa first	311		Pa last	297		P.A. Now (θ)	297°
Sep first	26.0		Sep last	28.2		Sep. Now (ρ)	28.2"
Mag pri	11.30		Mag sec	11.48		delta mag (ΔM)	0.18		Spectral class
Pri motion ra	+013		Sec motion ra	-004
Pri motion dec	+010		Sec motion dec	-008
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.51 This double is not physical.

Precise pa	296.6		Precise sep	28.156		Constellation	Cygnus		Tycho2	2664-00631-1
Gaia DR2	87611459968

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19430+3433	SEI 663		1998	5	297	28.0	11.30	11.48		D	194307.72+343254.1
19430+3433	SEI 663		2002	6	297	28.0	11.30	11.48		N D	194307.72+343254.1
19430+3433	SEI 663		2010	8	297	28.1	11.30	11.48		N	194307.72+343254.1
19430+3433	SEI 663		2016	9	297	28.2	11.30	11.48		N	194307.72+343254.1

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