You're not logged.

Login

Create your own observing lists in a few clicks and save them.
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

17248-5913
I 385 AB,C

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17248-5913 I 385 AB,C

17^h 24^m 45.86^s -59° 12' 49.1" P.A. 210.00 sep 17.3 mag 7.22,13.00 Sp A0V dist. 317.46 pc (1035.55 l.y.)

Coord 2000	17248-5913		Discov num	I 385		Comp	AB,C		Coord arcsec 2000	17 24 45.86 -59 12 49.1
Date first	1901		Date last	2000		Obs	4
Pa first	211		Pa last	209.6		P.A. Now (θ)	209.6°
Sep first	17.8		Sep last	17.32		Sep. Now (ρ)	17.32"
Mag pri	7.22		Mag sec	13.00		delta mag (ΔM)	5.78		Spectral class	A0V (white)
Pri motion ra	-009		Sec motion ra	-013
Pri motion dec	-016		Sec motion dec	-023
Notes	N (See Notes)

rPM=0.305

Nature of this double is uncertain.

17248-5913 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 157081	244705	17 24 46 -59 12 49	I 385 AB	2022	37	117	0.4	7.56	8.65	1.09
Show		244705	17 24 46 -59 12 49	I 385 AB,C	2000	4	210	17.3	7.22	13.00	5.78		<===
Show		244705	17 24 46 -59 12 49	WSI 87 AD	2022	22	271	0.3	7.56	8.10	0.54
Show		244705	17 24 46 -59 12 49	I 385 AE	2015	4	109	28.1	7.56	13.00	5.44

Quintuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ara		SAO	244705		HIP	85216		Tycho2	8740-01641-1
Gaia DR2	5915655269363096448		HD	157081		CP	CP-59 6998		Distance	317.46
Distance ly	1035.55