19423+2104 TDT1657

Coord 2000	19423+2104		Discov num	TDT1657		Comp			Coord arcsec 2000	19 42 15.81 +21 03 36.0
Date first	1991		Date last	1991		Obs	1
Pa first	226		Pa last	226		P.A. Now (θ)	226°
Sep first	2.4		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	9.94		Mag sec	12.23		delta mag (ΔM)	2.29		Spectral class
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	-010		Sec motion dec	-010
Notes	X (Dubious double)

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

Precise pa	226.2		Precise sep	2.38		Constellation	Vulpecula		SAO	87587
Tycho2	1614-00030-1		Gaia DR2	82151134208		HD	344850

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19423+2104	TDT1657		1991	1	226	2.4	9.94	12.23		X	194215.81+210336.0

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