20071+5431 TDT1991

Coord 2000	20071+5431		Discov num	TDT1991		Comp			Coord arcsec 2000	20 07 05.46 +54 31 00.4
Date first	1991		Date last	1991		Obs	1
Pa first	333		Pa last	333		P.A. Now (θ)	333°
Sep first	2.0		Sep last	2.0		Sep. Now (ρ)	2"
Mag pri	10.64		Mag sec	12.23		delta mag (ΔM)	1.59		Spectral class
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	+014		Sec motion dec	+014
Notes	X (Dubious double)

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

Precise pa	333.2		Precise sep	1.97		Constellation	Cygnus		Tycho2	3940-00510-1
Gaia DR2	18108623104

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20071+5431	TDT1991		1991	1	333	2.0	10.64	12.23			200705.46+543100.4

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