19138+0307 BAL1979

Coord 2000	19138+0307		Discov num	BAL1979		Comp			Coord arcsec 2000	19 13 48.60 +03 07 52.7
Date first	1909		Date last	2015		Obs	7
Pa first	205		Pa last	201		P.A. Now (θ)	201°
Sep first	13.6		Sep last	11.8		Sep. Now (ρ)	11.8"
Mag pri	11.98		Mag sec	12.50		delta mag (ΔM)	0.52		Spectral class
Pri motion ra	+000		Sec motion ra	-006
Pri motion dec	-018		Sec motion dec	+001
Notes

rPM=1.107 This double is not physical.

Precise pa	201.1		Precise sep	11.795		Constellation	Aquila		Tycho2	0467-01723-1
Gaia DR2	4268254287412995968

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19138+0307	BAL1979		1999	4	201	12.1	11.98	12.50		D	191348.60+030752.7
19138+0307	BAL1979		2000	5	201	12.0	11.98	12.50		D	191348.60+030752.7
19138+0307	BAL1979		2010	6	201	12.1	11.98	12.50			191348.60+030752.7
19138+0307	BAL1979		2015	7	201	11.8	11.98	12.50			191348.60+030752.7

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