19553+0539 J   543

Coord 2000	19553+0539		Discov num	J   543		Comp			Coord arcsec 2000	19 55 21.64 +05 39 44.0
Date first	1911		Date last	2013		Obs	11
Pa first	9		Pa last	10		P.A. Now (θ)	10°
Sep first	4.0		Sep last	2.8		Sep. Now (ρ)	2.8"
Mag pri	12.00		Mag sec	12.10		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-007		Sec motion ra
Pri motion dec	-064		Sec motion dec
Notes	R (Red magnitudes)

Nature of this double is uncertain.

Precise pa	10.3		Precise sep	2.8		Constellation	Aquila		last precise pa	10.3
last precise sep	2.8

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19553+0539	J 543		2001	9	9	3.4	9.60	9.60		D	195521.59+053946.9
19553+0539	J 543		2013	11	10	2.8	9.60	9.60			195521.59+053946.9

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