20127+3642 SEI1007

Coord 2000	20127+3642		Discov num	SEI1007		Comp			Coord arcsec 2000	20 12 44.23 +36 41 27.6
Date first	1896		Date last	2015		Obs	11
Pa first	239		Pa last	238		P.A. Now (θ)	238°
Sep first	23.5		Sep last	22.8		Sep. Now (ρ)	22.8"
Mag pri	9.50		Mag sec	11.00		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	-003		Sec motion ra	+002
Pri motion dec	-007		Sec motion dec	+000
Notes

rPM=1.13 This double is not physical.

Precise pa	238.1		Precise sep	22.81		Constellation	Cygnus		SAO	69610
Tycho2	2683-02947-1		Gaia DR2	07505065472

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20127+3642	SEI1007		1896	1	239	23.5	9.50	11.00			201244.23+364127.6
20127+3642	SEI1007		2010	2	240	23.0	9.50	11.00			201244.23+364127.6
20127+3642	SEI1007		2015	5	238	22.8	9.50	11.00			201244.23+364127.6

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