19474+4515 SMA  93

Coord 2000	19474+4515		Discov num	SMA  93		Comp			Coord arcsec 2000	19 47 30.00 +45 16 33.5
Date first	1921		Date last	2015		Obs	11
Pa first	193		Pa last	197		P.A. Now (θ)	197°
Sep first	7.6		Sep last	10.4		Sep. Now (ρ)	10.4"
Mag pri	11.20		Mag sec	12.90		delta mag (ΔM)	1.7		Spectral class
Pri motion ra	+023		Sec motion ra	-008
Pri motion dec	+037		Sec motion dec	-004
Notes

rPM=1.18 This double is not physical.

Precise pa

197.3

Precise sep

10.418

Constellation

Cygnus

Gaia DR2

16215506048

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19474+4515	SMA 93		2006	2	198	10.6	10.00	12.00			194715.00+451500.0
19474+4515	SMA 93		2007	4	197	10.2	11.50	12.00		D	194729.72+451623.9
19474+4515	SMA 93		2010	6	197	10.2	11.20	12.90			194730.00+451633.5
19474+4515	SMA 93		2015	7	197	10.4	11.20	12.90			194730.00+451633.5

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