20156+2927 TDS1053

Coord 2000	20156+2927		Discov num	TDS1053		Comp			Coord arcsec 2000	20 15 36.09 +29 26 44.0
Date first	1991		Date last	2015		Obs	2
Pa first	307		Pa last	302		P.A. Now (θ)	302°
Sep first	1.2		Sep last	1.0		Sep. Now (ρ)	1"
Mag pri	11.50		Mag sec	11.86		delta mag (ΔM)	0.36		Spectral class
Pri motion ra	-007		Sec motion ra	-007
Pri motion dec	-008		Sec motion dec	-008
Notes

Nature of this double is uncertain.

Precise pa	302		Precise sep	0.997		Constellation	Cygnus		Tycho2	2167-00396-1
Gaia DR2	15642210560		HD	333974

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20156+2927	TDS1053		1991	1	307	1.2	11.50	11.86			201536.09+292644.0
20156+2927	TDS1053		2015	2	302	1.0	11.50	11.86			201536.09+292644.0

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