20264+4029 MLB1087

Coord 2000	20264+4029		Discov num	MLB1087		Comp			Coord arcsec 2000	20 26 22.38 +40 29 18.7
Date first	1892		Date last	2015		Obs	12
Pa first	96		Pa last	98		P.A. Now (θ)	98°
Sep first	8.9		Sep last	9.5		Sep. Now (ρ)	9.5"
Mag pri	11.17		Mag sec	11.40		delta mag (ΔM)	0.23		Spectral class
Pri motion ra	-008		Sec motion ra	-002
Pri motion dec	+002		Sec motion dec	-004
Notes

rPM=1.029 This double is not physical.

Precise pa	97.6		Precise sep	9.53		Constellation	Cygnus		Tycho2	3156-01604-1
Gaia DR2	61273066496

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20264+4029	MLB1087		1998	5	97	9.4	11.17	11.40		D	202622.38+402918.7
20264+4029	MLB1087		2002	6	97	9.5	11.17	11.40		D	202622.38+402918.7
20264+4029	MLB1087		2010	7	98	8.6	11.17	11.40			202622.38+402918.7
20264+4029	MLB1087		2015	8	98	9.5	11.17	11.40			202622.38+402918.7

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