20137+3713 SEI1026

Coord 2000	20137+3713		Discov num	SEI1026		Comp			Coord arcsec 2000	20 13 43.52 +37 12 50.5
Date first	1896		Date last	2015		Obs	11
Pa first	82		Pa last	87		P.A. Now (θ)	87°
Sep first	22.6		Sep last	19.5		Sep. Now (ρ)	19.5"
Mag pri	12.47		Mag sec	12.39		delta mag (ΔM)	0.08		Spectral class
Pri motion ra	+016		Sec motion ra	-001
Pri motion dec	+011		Sec motion dec	-006
Notes

rPM=1.238 This double is not physical.

Precise pa

87.4

Precise sep

19.514

Constellation

Cygnus

Gaia DR2

53273486976

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20137+3713	SEI1026		1999	3	87	19.8	11.00	11.00		D	201343.52+371250.5
20137+3713	SEI1026		2011	4	87	19.9	11.00	11.00		D	201343.52+371250.5
20137+3713	SEI1026		2015	7	87	19.5	12.47	12.39			201343.52+371250.5

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