20012+3811 ALI 652

Coord 2000	20012+3811		Discov num	ALI 652		Comp			Coord arcsec 2000	20 01 12.91 +38 10 23.6
Date first	1928		Date last	2015		Obs	9
Pa first	70		Pa last	55		P.A. Now (θ)	55°
Sep first	7.7		Sep last	9.4		Sep. Now (ρ)	9.4"
Mag pri	13.20		Mag sec	14.00		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	-002		Sec motion ra	+010
Pri motion dec	-008		Sec motion dec	+025
Notes

rPM=1.304 This double is not physical.

Precise pa

55.1

Precise sep

9.384

Constellation

Cygnus

Gaia DR2

42280136064

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20012+3811	ALI 652		2000	2	57	9.0	13.20	14.00		D	200112.91+381023.6
20012+3811	ALI 652		2002	3	56	9.1	13.20	14.00		D	200112.91+381023.6
20012+3811	ALI 652		2010	4	56	8.9	13.20	14.00			200112.91+381023.6
20012+3811	ALI 652		2015	5	55	9.4	13.20	14.00			200112.91+381023.6

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