19456+3123 GRV 273

Coord 2000	19456+3123		Discov num	GRV 273		Comp			Coord arcsec 2000	19 45 36.06 +31 23 59.4
Date first	1951		Date last	2015		Obs	5
Pa first	13		Pa last	13		P.A. Now (θ)	13°
Sep first	40.7		Sep last	40.3		Sep. Now (ρ)	40.3"
Mag pri	12.31		Mag sec	13.53		delta mag (ΔM)	1.22		Spectral class
Pri motion ra	-015		Sec motion ra	-005
Pri motion dec	-017		Sec motion dec	-023
Notes

rPM=0.495 Nature of this double is uncertain.

Precise pa	12.6		Precise sep	40.261		Constellation	Cygnus		SAO	68793
Tycho2	2656-03241-1		Gaia DR2	82699289600

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19456+3123	GRV 273		2000	2	13	40.2	12.10	13.10		D	194536.06+312359.4
19456+3123	GRV 273		2002	3	13	40.2	12.10	13.10		D	194536.06+312359.4
19456+3123	GRV 273		2010	4	13	40.3	12.31	13.53			194536.06+312359.4
19456+3123	GRV 273		2015	5	13	40.3	12.31	13.53			194536.06+312359.4

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