20188+2849 J  3073

Coord 2000	20188+2849		Discov num	J  3073		Comp			Coord arcsec 2000	20 18 41.11 +28 48 20.5
Date first	1944		Date last	2015		Obs	6
Pa first	20		Pa last	17		P.A. Now (θ)	17°
Sep first	3.0		Sep last	4.5		Sep. Now (ρ)	4.5"
Mag pri	11.60		Mag sec	11.90		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	+002		Sec motion ra	+027
Pri motion dec	-012		Sec motion dec	+012
Notes

rPM=1.173 This double is not physical.

Precise pa

16.8

Precise sep

4.45

Constellation

Vulpecula

Gaia DR2

22341455744

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20188+2849	J 3073		1944	1	20	3.0	11.60	11.90			201807.50+284900.0
20188+2849	J 3073		2000	3	17	4.4	11.60	11.90		D	201841.11+284820.5
20188+2849	J 3073		2002	4	16	4.5	11.60	11.90		D	201841.11+284820.5
20188+2849	J 3073		2015	7	17	4.5	11.60	11.90			201841.11+284820.5

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