20311+5814 LDS1474

Coord 2000	20311+5814		Discov num	LDS1474		Comp			Coord arcsec 2000	20 31 00.89 +58 14 12.3
Date first	1960		Date last	2015		Obs	12
Pa first	209		Pa last	209		P.A. Now (θ)	209°
Sep first	11.0		Sep last	10.2		Sep. Now (ρ)	10.2"
Mag pri	14.70		Mag sec	16.50		delta mag (ΔM)	1.8		Spectral class
Pri motion ra	-170		Sec motion ra	-170
Pri motion dec	-085		Sec motion dec	-085
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa

209.2

Precise sep

10.206

Constellation

Cygnus

Gaia DR2

97931136000

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20311+5814	LDS1474		1963	2	209	11.0	14.70	16.50		N DV	203100.89+581412.3
20311+5814	LDS1474		2009	3	209	10.2	14.70	16.50		N DV	203100.89+581412.3
20311+5814	LDS1474		2010	6	209	10.2	14.70	16.50		NV	203100.89+581412.3
20311+5814	LDS1474		2015	7	209	10.2	14.70	16.50		NV	203100.89+581412.3

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