20213+0808 GRV 333

Coord 2000	20213+0808		Discov num	GRV 333		Comp			Coord arcsec 2000	20 21 18.96 +08 08 30.8
Date first	1919		Date last	2015		Obs	8
Pa first	194		Pa last	193		P.A. Now (θ)	193°
Sep first	60.7		Sep last	60.7		Sep. Now (ρ)	60.7"
Mag pri	11.85		Mag sec	12.27		delta mag (ΔM)	0.42		Spectral class
Pri motion ra	+028		Sec motion ra	+012
Pri motion dec	-026		Sec motion dec	-028
Notes

rPM=0.422 Nature of this double is uncertain.

Precise pa	193.2		Precise sep	60.704		Constellation	Aquila		Tycho2	1074-00166-1
Gaia DR2	42456634624

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20213+0808	GRV 333		2000	3	193	60.7	11.70	12.10		D	202118.96+080830.8
20213+0808	GRV 333		2010	4	193	60.7	11.85	12.27			202118.96+080830.8
20213+0808	GRV 333		2015	5	193	60.7	11.85	12.27			202118.96+080830.8

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