19455+5446 STI2454

Coord 2000	19455+5446		Discov num	STI2454		Comp			Coord arcsec 2000	19 45 31.78 +54 45 28.4
Date first	1917		Date last	2015		Obs	8
Pa first	30		Pa last	30		P.A. Now (θ)	30°
Sep first	8.6		Sep last	9.1		Sep. Now (ρ)	9.1"
Mag pri	11.54		Mag sec	12.40		delta mag (ΔM)	0.86		Spectral class
Pri motion ra	-008		Sec motion ra	-008
Pri motion dec	-016		Sec motion dec	-013
Notes

rPM=0.168 (< 0.3, Physical double) This double is physical.

Precise pa	29.9		Precise sep	9.128		Constellation	Cygnus		Tycho2	3938-00038-1
Gaia DR2	24809645824

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19455+5446	STI2454		2000	2	30	9.1	11.54	12.40		D	194531.78+544528.4
19455+5446	STI2454		2003	3	30	9.1	11.54	12.40		D	194531.78+544528.4
19455+5446	STI2454		2015	4	30	9.1	11.54	12.40			194531.78+544528.4

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