20247-3445 DAW 226BC

Coord 2000	20247-3445		Discov num	DAW 226		Comp	BC		Coord arcsec 2000	20 24 38.71 -34 44 26.6
Date first	1913		Date last	2015		Obs	6
Pa first	126		Pa last	137		P.A. Now (θ)	137°
Sep first	17.6		Sep last	20.5		Sep. Now (ρ)	20.5"
Mag pri	11.70		Mag sec	11.22		delta mag (ΔM)	0.48		Spectral class
Pri motion ra	+007		Sec motion ra	-006
Pri motion dec	-019		Sec motion dec	-004
Notes

rPM=0.98 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		212088	20 24 38 -34 44 19	HJ 5195 AB	2015	7	115	16.3	10.65	11.70	1.05
Show		212088	20 24 38 -34 44 19	HJ 5195 AC	2015	10	127	36.1	10.65	11.22	0.57
Show		212088	20 24 39 -34 44 27	DAW 226 BC	2015	6	137	20.5	11.70	11.22	0.48		<===

Triple system
3 visible stars in this system

Precise pa	136.7		Precise sep	20.503		Constellation	Sagittarius		SAO	212088
Tycho2	7463-01194-1		Gaia DR2	6696391920465380096

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20247-3445	DAW 226	BC	1919	2	125	17.4	9.80	11.22			202408.57-344500.0
20247-3445	DAW 226	BC	1999	3	137	20.3	9.80	11.22		D	202438.81-344425.9
20247-3445	DAW 226	BC	2015	6	137	20.5	11.70	11.22			202438.71-344426.6

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