17336-3706 TNG   1Aa,Ab

 
 
17h 33m 36.52s -37 06' 13.8" P.A. 104 mag 2.08,2.73 Sp B2IV dist. 175.13 pc (571.27 l.y.)
 
 
Coord 2000
17336-3706
Discov num
TNG   1
Comp
Aa,Ab
Coord arcsec 2000
17 33 36.52 -37 06 13.8
Date first
1999
Date last
2014
Obs
36
Pa first
266
Pa last
104
P.A. Now (θ)
104°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
2.08
Mag sec
2.73
delta mag (ΔM)
0.65
Spectral class
B2IV (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
17336-3706 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 208954 17336-3706 TNG 1 Aa,Ab 1999 2014 36 104 0.0 2.08 2.73 0.65 Y <===
Show Shaula 208954 17336-3706 SEE 334 AB 1897 2000 2 106 42.4 1.60 14.90 13.30
Show 208954 17336-3706 DUN 218 AC 1826 2016 9 330 94.4 1.60 9.17 7.57
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.3
Precise sep
0.033
Constellation
Scorpius
SAO
208954
HIP
85927
HD
158926
HR
6527
GC
23769
CD
CD-3711673
CP
CP-37 7265
Bayer
Lambda Scorpii
Bayer name
Lam Sco
Flamsteed
35 Scorpii
Flamsteed name
35 Sco
Distance
175.13
Distance ly
571.27
last precise pa
104.3
last precise sep
0.033
 
 
ORBITAL ELEMENTS
 
 
Period (P)1052.8d (2.88y)± 1.2 Periastron (T)51562.3m (2000.05y)± 2.8 Semi-major axis (a)49.3m± 0.3
Eccentricity (e)0.121± 0.005 Inclination (i)77.2°± 0.2 Longitude of periastron (ω)74.8°± 0.9
Node (Ω)271.3°± 0.15 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000-01-01 0.019 298.6
2001-01-01 0.048 97.1
2002-01-01 0.033 254.8
2003-01-01 0.010 342.2
2004-01-01 0.043 100.9
2005-01-01 0.040 260.8
2006-01-01 0.014 50.1
2007-01-01 0.037 105.7
2008-01-01 0.045 265.1
2009-01-01 0.025 71.9
2010-01-01 0.029 113.2
2011-01-01 0.047 268.8
2012-01-01 0.036 80.5
2013-01-01 0.020 126.8
2014-01-01 0.047 272.3
2015-01-01 0.044 85.5
2016-01-01 0.013 157.1
2017-01-01 0.042 276.2
2018-01-01 0.049 89.2
2019-01-01 0.013 206.8
2020-01-01 0.035 281.4
2021-01-01 0.051 92.3
2022-01-01 0.020 237.0
2023-01-01 0.025 290.3
2024-01-01 0.050 95.5
2025-01-01 0.029 250.6
2026-01-01 0.014 313.0
2027-01-01 0.046 98.9
2028-01-01 0.036 258.0
2029-01-01 0.010 22.1
2030-01-01 0.040 103.1

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

grafico orbita





wds17336-3706a.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
17336-3706 TNG 1 Aa,Ab 2005 31 284 0.0 2.08 2.73 B2IV NOD 173336.52-370613.8
17336-3706 TNG 1 Aa,Ab 2009 35 86 0.0 2.08 2.73 B2IV NOD 173336.52-370613.8
17336-3706 TNG 1 Aa,Ab 2014 36 104 0.0 2.08 2.73 B2IV NO 173336.52-370613.8

If you need more information about this double, apply for a data request form to the WDS.