17158-3344 SEE 322AB

 
 
17h 15m 50.75s -33 44' 13.2" P.A. 275.6 sep 0.18 mag 7.04,7.65 Sp B1/2Ib/II dist. 833.33 pc (2718.32 l.y.)
 
 
Coord 2000
17158-3344
Discov num
SEE 322
Comp
AB
Coord arcsec 2000
17 15 50.75 -33 44 13.2
Date first
1897
Date last
2012
Obs
25
Pa first
1
Pa last
279
P.A. Now (θ)
275.6°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.18"
Mag pri
7.04
Mag sec
7.65
delta mag (ΔM)
0.61
Spectral class
B1/2Ib/II (blue-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
17158-3344 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 208604 17158-3344 SEE 322 AB 1897 2012 25 276 0.2 7.04 7.65 0.61 Y <===
Show 208604 17158-3344 SNA 66 AC 2012 2012 1 271 7.1 6.59 12.19 5.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.2
Precise sep
0.194
Constellation
Scorpius
SAO
208604
HIP
84444
Tycho2
7366-01100-1
HD
155889
CD
CD-3311887
Distance
833.33
Distance ly
2718.32
last precise pa
279.2
last precise sep
0.194
 
 
ORBITAL ELEMENTS
 
 
Period (P)536y Periastron (T)1870y Semi-major axis (a)0.35a
Eccentricity (e)0.64 Inclination (i)111° Longitude of periastron (ω)109°
Node (Ω)167° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.186 287.0
2001 0.186 286.3
2002 0.186 285.7
2003 0.185 285.0
2004 0.185 284.4
2005 0.185 283.7
2006 0.185 283.0
2007 0.184 282.4
2008 0.184 281.7
2009 0.184 281.0
2010 0.184 280.4
2011 0.184 279.7
2012 0.183 279.0
2013 0.183 278.3
2014 0.183 277.7
2015 0.183 277.0
2016 0.183 276.3
2017 0.183 275.6
2018 0.183 275.0
2019 0.183 274.3
2020 0.183 273.6
2021 0.183 272.9
2022 0.183 272.2
2023 0.183 271.6
2024 0.183 270.9
2025 0.183 270.2
2026 0.183 269.5
2027 0.183 268.9
2028 0.183 268.2
2029 0.183 267.5
2030 0.183 266.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds17158-3344a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17158-3344 SEE 322 AB 2012 25 279 0.2 7.04 7.65 B1/2Ib/II O 171550.75-334413.2

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