20089+3905 MLB 770

Coord 2000	20089+3905		Discov num	MLB 770		Comp			Coord arcsec 2000	20 08 54.46 +39 04 58.8
Date first	1932		Date last	2015		Obs	8
Pa first	289		Pa last	284		P.A. Now (θ)	284°
Sep first	4.5		Sep last	6.1		Sep. Now (ρ)	6.1"
Mag pri	10.49		Mag sec	13.50		delta mag (ΔM)	3.01		Spectral class	A (white)
Pri motion ra	+003		Sec motion ra
Pri motion dec	-002		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	284.1		Precise sep	6.061		Constellation	Cygnus		Tycho2	3150-00964-1
Gaia DR2	83610547968

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20089+3905	MLB 770		1932	1	289	4.5	10.49	13.50			200854.46+390458.8
20089+3905	MLB 770		2002	2	284	6.0	10.49	13.50			200854.46+390458.8
20089+3905	MLB 770		2010	4	283	5.8	10.49	13.50	A		200854.46+390458.8
20089+3905	MLB 770		2015	4	284	6.1	10.49	13.50	A		200854.46+390458.8

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