20190+2117 GRV 329

Coord 2000	20190+2117		Discov num	GRV 329		Comp			Coord arcsec 2000	20 19 05.02 +21 17 28.4
Date first	1892		Date last	2015		Obs	12
Pa first	340		Pa last	339		P.A. Now (θ)	339°
Sep first	65.9		Sep last	66.7		Sep. Now (ρ)	66.7"
Mag pri	10.40		Mag sec	11.90		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	-012		Sec motion ra	-009
Pri motion dec	-023		Sec motion dec	-017
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.259 (< 0.3, Physical double) This double is physical.

Precise pa	339.3		Precise sep	66.67		Constellation	Sagitta		Tycho2	1643-00602-1
Gaia DR2	71373036160

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20190+2117	GRV 329		2000	5	339	66.7	10.40	11.90		D	201905.02+211728.4
20190+2117	GRV 329		2001	6	339	66.6	10.40	11.90		D	201905.02+211728.4
20190+2117	GRV 329		2010	6	339	66.7	10.40	11.90			201905.02+211728.4
20190+2117	GRV 329		2015	7	339	66.7	10.40	11.90			201905.02+211728.4

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