20092+3520 ALI 184

Coord 2000	20092+3520		Discov num	ALI 184		Comp			Coord arcsec 2000	20 09 13.77 +35 19 50.2
Date first	1933		Date last	2016		Obs	13
Pa first	236		Pa last	228		P.A. Now (θ)	228°
Sep first	11.6		Sep last	13.2		Sep. Now (ρ)	13.2"
Mag pri	11.34		Mag sec	11.30		delta mag (ΔM)	0.04		Spectral class
Pri motion ra	-001		Sec motion ra	-002
Pri motion dec	+001		Sec motion dec	-014
Notes

rPM=1.063 This double is not physical.

Precise pa	228		Precise sep	13.2		Constellation	Cygnus		Tycho2	2679-01613-1
Gaia DR2	90378064256

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20092+3520	ALI 184		2002	5	228	12.9	11.34	11.60		D	200913.77+351950.2
20092+3520	ALI 184		2010	7	228	12.9	11.34	11.30			200913.77+351950.2
20092+3520	ALI 184		2016	8	228	13.2	11.34	11.30			200913.77+351950.2

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