20176+2142 TDT2144

Coord 2000	20176+2142		Discov num	TDT2144		Comp			Coord arcsec 2000	20 17 35.61 +21 42 27.1
Date first	1991		Date last	2015		Obs	2
Pa first	80		Pa last	71		P.A. Now (θ)	71°
Sep first	1.2		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	11.11		Mag sec	12.01		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	-006		Sec motion ra	-006
Pri motion dec	-010		Sec motion dec	-010
Notes

Nature of this double is uncertain.

Precise pa	71.1		Precise sep	0.731		Constellation	Vulpecula		SAO	88463
Tycho2	1643-00768-1		Gaia DR2	28141073920		HD	346323

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20176+2142	TDT2144		1991	1	80	1.2	11.11	12.01			201735.61+214227.1
20176+2142	TDT2144		2015	2	71	0.7	11.11	12.01			201735.61+214227.1

If you need more information about this double, apply for a data request form to the WDS.