20133+1530 CHE 209

Coord 2000	20133+1530		Discov num	CHE 209		Comp			Coord arcsec 2000	20 13 15.84 +15 29 57.7
Date first	1904		Date last	2015		Obs	14
Pa first	50		Pa last	50		P.A. Now (θ)	50°
Sep first	30.8		Sep last	29.7		Sep. Now (ρ)	29.7"
Mag pri	11.49		Mag sec	11.64		delta mag (ΔM)	0.15		Spectral class
Pri motion ra	+000		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-011
Notes

rPM=0.781 Nature of this double is uncertain.

Precise pa	50.3		Precise sep	29.697		Constellation	Aquila		Tycho2	1618-01632-1
Gaia DR2	42144346880		HD	355098

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20133+1530	CHE 209		1998	5	50	29.9	11.74	11.86		D	201315.84+152957.7
20133+1530	CHE 209		2008	6	51	30.0	11.74	11.86		D	201315.84+152957.7
20133+1530	CHE 209		2010	9	50	29.8	11.49	11.64			201315.84+152957.7
20133+1530	CHE 209		2015	10	50	29.7	11.49	11.64			201315.84+152957.7

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