19501+3017 TDT1787

Coord 2000	19501+3017		Discov num	TDT1787		Comp			Coord arcsec 2000	19 50 03.09 +30 16 57.2
Date first	1991		Date last	2015		Obs	3
Pa first	156		Pa last	337		P.A. Now (θ)	337°
Sep first	2.0		Sep last	2.1		Sep. Now (ρ)	2.1"
Mag pri	11.25		Mag sec	11.38		delta mag (ΔM)	0.13		Spectral class
Pri motion ra	-006		Sec motion ra	-006
Pri motion dec	+003		Sec motion dec	+003
Notes

Nature of this double is uncertain.

Precise pa	337.4		Precise sep	2.053		Constellation	Cygnus		Tycho2	2669-04350-1
Gaia DR2	05354380160		HD	332810

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19501+3017	TDT1787		1991	1	156	2.0	11.25	11.38			195003.09+301657.2
19501+3017	TDT1787		2007	2	338	2.1	11.25	11.38			195003.09+301657.2
19501+3017	TDT1787		2015	3	337	2.1	11.25	11.38			195003.09+301657.2

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