20064-1322 HLD 155AC

Coord 2000	20064-1322		Discov num	HLD 155		Comp	AC		Coord arcsec 2000	20 06 24.72 -13 22 06.0
Date first	1905		Date last	2016		Obs	9
Pa first	239		Pa last	240		P.A. Now (θ)	240°
Sep first	29.3		Sep last	29.9		Sep. Now (ρ)	29.9"
Mag pri	9.92		Mag sec	11.54		delta mag (ΔM)	1.62		Spectral class	K0III (yellow-orange)
Pri motion ra	+008		Sec motion ra	+005
Pri motion dec	+001		Sec motion dec	+001
Notes

rPM=0.372 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20064-1322	HLD 155	AB	1882	2016	15	276	1.9	9.91	10.51	0.60
Show			20064-1322	HLD 155	AC	1905	2016	9	240	29.9	9.92	11.54	1.62		<===

Triple system
3 visible stars in this system

Precise pa	240.1		Precise sep	29.854		Constellation	Sagittarius		Tycho2	5751-00851-1
Gaia DR2	51590713472		HD	190640

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20064-1322	HLD 155	AC	1998	6	240	29.4	9.92	11.54		D	200624.72-132206.0
20064-1322	HLD 155	AC	2000	7	240	29.5	9.92	11.54		D	200624.72-132206.0
20064-1322	HLD 155	AC	2016	8	240	29.9	9.92	11.54	K0III		200624.72-132206.0

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