16539-4153 SNA 49 AE

Coord 2000	16539-4153		Discov num	SNA  49		Comp	AE		Coord arcsec 2000	16 53 55.60 -41 52 51.4
Date first	2012		Date last	2015		Obs	2
Pa first	63		Pa last	64.8		P.A. Now (θ)	64.8°
Sep first	5.4		Sep last	5.341		Sep. Now (ρ)	5.341"
Mag pri	7.11		Mag sec	12.19		delta mag (ΔM)	5.08		Spectral class	O9.5III (blue)
Pri motion ra	-002		Sec motion ra
Pri motion dec	+002		Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		227370	16 53 56 -41 52 51	SNA 49 Aa,Ab	2012	1	345	0.1	7.20	10.00	2.80
Show		227370	16 53 56 -41 52 51	SNA 49 AB	2012	1	18	2.2	7.11	13.98	6.87
Show		227370	16 53 56 -41 52 51	SNA 49 AC	2012	1	332	2.9	7.11	13.34	6.23
Show	HD 152219	227370	16 53 56 -41 52 51	SNA 49 AD	2012	1	145	5.1	7.11	11.26	4.15
Show		227370	16 53 56 -41 52 51	SNA 49 AE	2015	2	65	5.3	7.11	12.19	5.08		<===
Show		227370	16 53 56 -41 52 51	SNA 49 AF	2012	2	175	7.2	7.11	13.15	6.04

Septuple system
6 estimated visually detectable stars in this system

Constellation	Scorpius		SAO	227370		Tycho2	7876-02282-1		Gaia DR2	5966503597648760064
HD	152219