20011+3913 SEI 791

Coord 2000	20011+3913		Discov num	SEI 791		Comp			Coord arcsec 2000	20 01 04.98 +39 13 07.2
Date first	1896		Date last	2015		Obs	14
Pa first	57		Pa last	59		P.A. Now (θ)	59°
Sep first	5.4		Sep last	5.6		Sep. Now (ρ)	5.6"
Mag pri	10.50		Mag sec	11.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	+001		Sec motion ra	+005
Pri motion dec	+002		Sec motion dec	-001
Notes

rPM=0.981 This double is not physical.

Precise pa

58.9

Precise sep

5.613

Constellation

Cygnus

Gaia DR2

60293702784

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20011+3913	SEI 791		2006	7	58	5.6	10.50	11.00		D	200104.98+391307.2
20011+3913	SEI 791		2010	9	59	5.7	10.50	11.00			200104.98+391307.2
20011+3913	SEI 791		2015	10	59	5.6	10.50	11.00			200104.98+391307.2

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