20124+2043 NSN 730

Coord 2000	20124+2043		Discov num	NSN 730		Comp			Coord arcsec 2000	20 12 22.44 +20 43 11.4
Date first	1971		Date last	2016		Obs	4
Pa first	169		Pa last	146		P.A. Now (θ)	146°
Sep first	2.7		Sep last	3.2		Sep. Now (ρ)	3.2"
Mag pri	13.64		Mag sec	15.39		delta mag (ΔM)	1.75		Spectral class
Pri motion ra	+201		Sec motion ra	+199
Pri motion dec	-061		Sec motion dec	-053
Notes	T (Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.039 (< 0.3, Physical double) This double is physical.

Precise pa

145.8

Precise sep

3.176

Constellation

Sagitta

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20124+2043	NSN 730		2015	3	144	3.0	13.64	15.39		T	201222.44+204311.4
20124+2043	NSN 730		2016	4	146	3.2	13.64	15.39		T	201222.44+204311.4

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