19428+3352 HAU   4

Coord 2000	19428+3352		Discov num	HAU   4		Comp			Coord arcsec 2000	19 42 52.64 +33 51 41.8
Date first	1893		Date last	2015		Obs	16
Pa first	81		Pa last	81		P.A. Now (θ)	81°
Sep first	16.8		Sep last	16.7		Sep. Now (ρ)	16.7"
Mag pri	11.04		Mag sec	11.92		delta mag (ΔM)	0.88		Spectral class	A (white)
Pri motion ra	+003		Sec motion ra	+004
Pri motion dec	+006		Sec motion dec	+005
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.211 (< 0.3, Physical double) This double is not physical.

Precise pa	81.3		Precise sep	16.709		Constellation	Cygnus		Tycho2	2664-00560-1
Gaia DR2	68360853376		HD	225478

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19428+3352	HAU 4		1998	7	81	16.8	11.04	11.92		D	194252.64+335141.8
19428+3352	HAU 4		2002	8	81	16.7	11.04	11.92		D	194252.64+335141.8
19428+3352	HAU 4		2013	9	81	16.8	11.04	11.92	A		194252.64+335141.8
19428+3352	HAU 4		2015	11	81	16.7	11.04	11.92	A		194252.64+335141.8

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