19528+4153 BRT2245

Coord 2000	19528+4153		Discov num	BRT2245		Comp			Coord arcsec 2000	19 52 44.63 +41 52 06.2
Date first	1892		Date last	2015		Obs	9
Pa first	90		Pa last	90		P.A. Now (θ)	90°
Sep first	4.8		Sep last	6.4		Sep. Now (ρ)	6.4"
Mag pri	11.61		Mag sec	12.83		delta mag (ΔM)	1.22		Spectral class
Pri motion ra	-012		Sec motion ra
Pri motion dec	-004		Sec motion dec
Notes	B (Blue magnitudes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Precise pa	90		Precise sep	6.374		Constellation	Cygnus		Tycho2	3145-02424-1
Gaia DR2	25082959488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19528+4153	BRT2245		1892	1	90	4.8	11.61	12.83		B	195244.63+415206.2
19528+4153	BRT2245		2002	2	90	6.2	11.61	12.83		B	195244.63+415206.2
19528+4153	BRT2245		2010	4	90	5.5	11.61	12.83		B	195244.63+415206.2
19528+4153	BRT2245		2015	5	90	6.4	11.61	12.83		B	195244.63+415206.2

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