20214+3720 SLE1012

Coord 2000	20214+3720		Discov num	SLE1012		Comp			Coord arcsec 2000	20 21 23.82 +37 20 01.5
Date first	1985		Date last	2015		Obs	8
Pa first	300		Pa last	302		P.A. Now (θ)	302°
Sep first	10.5		Sep last	10.6		Sep. Now (ρ)	10.6"
Mag pri	11.81		Mag sec	12.80		delta mag (ΔM)	0.99		Spectral class
Pri motion ra	+002		Sec motion ra	-008
Pri motion dec	-001		Sec motion dec	+005
Notes

rPM=1.236 This double is not physical.

Precise pa	301.6		Precise sep	10.602		Constellation	Cygnus		SAO	69894
Gaia DR2	12977712000

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20214+3720	SLE1012		1998	2	122	10.2	12.40	12.40		D	202122.93+372013.3
20214+3720	SLE1012		2002	3	302	10.6	11.81	12.80		D	202123.82+372001.5
20214+3720	SLE1012		2015	4	302	10.6	11.81	12.80			202123.82+372001.5

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