15390-5742 NLS   2Aa,Ab

 
 
15H 38M 57.54S -57 42' 27.3" P.A. 40 SEP 0.1 MAG 5.90,8.80 SP K0V DIST. 38.54 PC (125.72 L.Y.)
 
 
Coord 2000
15390-5742
Discov num
NLS   2
Comp
Aa,Ab
Coord arcsec 2000
15 38 57.54 -57 42 27.3
Date first
2003
Date last
2016
Obs
7
Pa first
55
Pa last
40
P.A. Now (θ)
40°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
5.90
Mag sec
8.80
delta mag (ΔM)
2.9
Spectral class
K0V (yellow-orange)
Pri motion ra
-049
Sec motion ra
Pri motion dec
-097
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
15390-5742 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 242791 15390-5742 NLS 2 Aa,Ab 2003 2016 7 40 0.1 5.90 8.80 2.90 Y <===
Show V343 Nor 242791 15390-5742 SKF1501 AB 1998 2010 3 325 10.2 8.10 14.80 6.70
Show 242791 15390-5742 VGT 4 AI 2009 2011 2 300 7.6 5.90
Show 242791 15390-5742 VGT 4 AJ 2009 2011 2 338 5.7 5.90
Show 242791 15390-5742 VGT 4 AT 2009 2011 2 353 3.2 5.90
Show 242791 15390-5742 VGT 4 AU 2009 2011 2 197 2.1 5.90
Show 242791 15390-5742 VGT 4 AV 2009 2011 2 261 3.6 5.90
Show 242791 15390-5742 VGT 4 AW 2009 2011 2 205 4.2 5.90
Show 242791 15390-5742 VGT 4 AX 2009 2011 2 78 4.4 5.90
Show 242791 15390-5742 VGT 4 AY 2009 2011 2 212 4.4 5.90
Show 242791 15390-5742 VGT 4 A,Za 2009 2011 2 63 4.8 5.90
Show 242791 15390-5742 VGT 4 A,Zb 2009 2011 2 59 6.6 5.90
Show 242791 15390-5742 VGT 4 A,Zc 2009 2011 2 184 6.5 5.90
Show 242791 15390-5742 VGT 4 A,Zd 2009 2011 2 70 6.9 5.90
Show 242791 15390-5742 CVN 52 BC 2004 2004 1 205 1.4 9.19 16.50 7.31
Show 242791 15390-5742 CVN 52 BD 2004 2004 1 42 2.3 9.19 15.90 6.71
Show 242791 15390-5742 CVN 52 BE 2004 2004 1 248 2.4 9.19 18.30 9.11
Show 242791 15390-5742 CVN 52 BF 2004 2004 1 222 2.7 9.19 16.60 7.41
Show 242791 15390-5742 CVN 52 BG 2004 2004 1 104 3.3 9.19 16.70 7.51
Show 242791 15390-5742 CVN 52 BH 2004 2004 1 186 4.4 9.19 16.60 7.41
Show 242791 15390-5742 CVN 52 BI 2004 2004 1 188 5.2 9.19 14.40 5.21
Show 242791 15390-5742 CVN 52 BJ 2004 2004 1 135 5.2 9.19 13.90 4.71
Show 242791 15390-5742 CVN 52 BK 2004 2004 1 158 5.2 9.19 17.30 8.11
Show 242791 15390-5742 CVN 52 BL 2004 2004 1 63 5.7 9.19 17.90 8.71
Show 242791 15390-5742 CVN 52 BM 2000 2004 2 296 5.9 9.19 14.30 5.11
Show 242791 15390-5742 CVN 52 BN 2004 2004 1 226 6.0 9.19 15.00 5.81
Show 242791 15390-5742 CVN 52 BO 2004 2004 1 79 6.1 9.19 16.40 7.21
Show 242791 15390-5742 CVN 52 BP 2004 2004 1 170 6.5 9.19 16.40 7.21
Show 242791 15390-5742 CVN 52 BQ 2004 2004 1 314 6.8 9.19 16.90 7.71
Show 242791 15390-5742 CVN 52 BR 2004 2004 1 227 7.2 9.19 16.60 7.41
Show 242791 15390-5742 CVN 52 BS 2004 2004 1 161 7.6 9.19 16.90 7.71
Show 242791 15390-5742 CVN 52 BT 2004 2004 1 136 7.9 9.19 13.70 4.51
30-fold system
25 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V343 Nor
Constellation
Norma
SAO
242791
HIP
76629
Tycho2
8704-01271-1
HD
139084
CP
CP-57 7121
Distance
38.54
Distance ly
125.72
last precise pa
40.4
last precise sep
0.102
 
 
ORBITAL ELEMENTS
 
 
Period (P)4.58y± 0.02 Periastron (T)2008.41y± 0.04 Semi-major axis (a)0.0797a± 0.0021
Eccentricity (e)0.534± 0.019 Inclination (i)55°± 4 Longitude of periastron (ω)130°± 3
Node (Ω)49.4°± 1.6 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.050 289.7
2001 0.078 357.6
2002 0.103 26.2
2003 0.084 51.1
2004 0.042 228.2
2005 0.058 326.1
2006 0.092 11.7
2007 0.103 35.6
2008 0.049 74.6
2009 0.049 273.8
2010 0.072 350.8
2011 0.101 22.5
2012 0.092 46.1
2013 0.030 197.9
2014 0.054 313.6
2015 0.087 6.9
2016 0.104 32.0
2017 0.065 62.5
2018 0.049 257.6
2019 0.066 342.7
2020 0.098 18.7
2021 0.098 41.8
2022 0.024 134.3
2023 0.051 299.3
2024 0.082 1.4
2025 0.104 28.5
2026 0.077 54.9
2027 0.046 240.6
2028 0.061 333.0
2029 0.095 14.5
2030 0.101 37.9

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic