20131+5544 STI2512

Coord 2000	20131+5544		Discov num	STI2512		Comp			Coord arcsec 2000	20 13 03.01 +55 43 45.8
Date first	1917		Date last	2015		Obs	9
Pa first	98		Pa last	107		P.A. Now (θ)	107°
Sep first	12.3		Sep last	10.5		Sep. Now (ρ)	10.5"
Mag pri	12.30		Mag sec	12.30		delta mag (ΔM)	0		Spectral class
Pri motion ra	+011		Sec motion ra	-004
Pri motion dec	+005		Sec motion dec	-008
Notes

rPM=1.643 This double is not physical.

Precise pa	106.8		Precise sep	10.488		Constellation	Cygnus		Tycho2	3940-00005-1
Gaia DR2	55499449600

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20131+5544	STI2512		1999	2	105	10.7	12.30	12.30		D	201303.01+554345.8
20131+5544	STI2512		2003	3	106	10.7	12.30	12.30		D	201303.01+554345.8
20131+5544	STI2512		2010	4	106	10.4	12.30	12.30			201303.01+554345.8
20131+5544	STI2512		2015	5	107	10.5	12.30	12.30			201303.01+554345.8

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