20082+3831 ALI 920

Coord 2000	20082+3831		Discov num	ALI 920		Comp			Coord arcsec 2000	20 08 12.32 +38 30 39.7
Date first	1928		Date last	2015		Obs	9
Pa first	146		Pa last	149		P.A. Now (θ)	149°
Sep first	13.8		Sep last	14.0		Sep. Now (ρ)	14"
Mag pri	12.38		Mag sec	13.10		delta mag (ΔM)	0.72		Spectral class
Pri motion ra	+013		Sec motion ra	+003
Pri motion dec	+013		Sec motion dec	+001
Notes

rPM=0.85 This double is not physical.

Precise pa	148.7		Precise sep	14.013		Constellation	Cygnus		Tycho2	3150-03353-1
Gaia DR2	33989158016

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20082+3831	ALI 920		1998	2	148	13.9	12.38	13.10		D	200812.32+383039.7
20082+3831	ALI 920		2002	3	148	13.9	12.38	13.10		D	200812.32+383039.7
20082+3831	ALI 920		2010	4	149	14.0	12.38	13.10			200812.32+383039.7
20082+3831	ALI 920		2015	5	149	14.0	12.38	13.10			200812.32+383039.7

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