15390-5742 NLS 2 Aa,Ab
15h 38m 57.55s -57° 42' 27.3" P.A. 40.00 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 57.55 -57 42 27.3 |
|
Date first |
2003 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
55 |
|
Pa last |
40.4 |
|
P.A. Now (θ) |
40.4° |
|
Sep first |
0.1 |
|
Sep last |
0.102 |
|
Sep. Now (ρ) |
0.102" |
|
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) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
15390-5742 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
15 38 58 -57 42 27 |
NLS 2 Aa,Ab |
2016 |
7 |
40 |
0.1 |
5.90 |
8.80 |
2.90 |
Y |
<=== |
Show |
|
|
15 38 58 -57 42 27 |
SKF 1501 AB |
2016 |
6 |
323 |
10.3 |
8.10 |
14.80 |
6.70 |
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AI |
2015 |
3 |
303 |
7.6 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AJ |
2011 |
2 |
338 |
5.7 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AT |
2011 |
2 |
353 |
3.2 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AU |
2011 |
2 |
197 |
2.1 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AV |
2011 |
2 |
261 |
3.6 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AW |
2011 |
2 |
205 |
4.2 |
5.90 |
|
|
|
|
Show |
|
242791 |
15 38 58 -57 42 27 |
VGT 4 AX |
2011 |
2 |
78 |
4.4 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 AY |
2011 |
2 |
212 |
4.4 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 A,Za |
2011 |
2 |
63 |
4.8 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 A,Zb |
2011 |
2 |
59 |
6.6 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 A,Zc |
2011 |
2 |
184 |
6.5 |
5.90 |
|
|
|
|
Show |
|
|
15 38 58 -57 42 27 |
VGT 4 A,Zd |
2011 |
2 |
70 |
6.9 |
5.90 |
|
|
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BC |
2004 |
1 |
205 |
1.4 |
9.19 |
16.50 |
7.31 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BD |
2004 |
1 |
42 |
2.3 |
9.19 |
15.90 |
6.71 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BE |
2004 |
1 |
248 |
2.4 |
9.19 |
18.30 |
9.11 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BF |
2004 |
1 |
222 |
2.7 |
9.19 |
16.60 |
7.41 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BG |
2004 |
1 |
104 |
3.3 |
9.19 |
16.70 |
7.51 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BH |
2015 |
2 |
183 |
4.2 |
9.19 |
16.60 |
7.41 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BI |
2004 |
1 |
188 |
5.2 |
9.19 |
14.40 |
5.21 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BJ |
2004 |
1 |
135 |
5.2 |
9.19 |
13.90 |
4.71 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BK |
2004 |
1 |
158 |
5.2 |
9.19 |
17.30 |
8.11 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BL |
2004 |
1 |
63 |
5.7 |
9.19 |
17.90 |
8.71 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BM |
2004 |
2 |
296 |
5.9 |
9.19 |
14.30 |
5.11 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BN |
2004 |
1 |
226 |
6.0 |
9.19 |
15.00 |
5.81 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BO |
2004 |
1 |
79 |
6.1 |
9.19 |
16.40 |
7.21 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BP |
2004 |
1 |
170 |
6.5 |
9.19 |
16.40 |
7.21 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BQ |
2004 |
1 |
314 |
6.8 |
9.19 |
16.90 |
7.71 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BR |
2004 |
1 |
227 |
7.2 |
9.19 |
16.60 |
7.41 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BS |
2004 |
1 |
161 |
7.6 |
9.19 |
16.90 |
7.71 |
|
|
Show |
|
|
15 38 57 -57 42 19 |
CVN 52 BT |
2004 |
1 |
136 |
7.9 |
9.19 |
13.70 |
4.51 |
|
|
30-fold system
25 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V343 Nor |
|
Constellation |
Norma |
|
HIP |
76629 |
|
Tycho2 |
8704-01271-1 |
|
Gaia DR2 |
5882581895219921024 |
|
HD |
139084 |
|
CP |
CP-57 7121 |
|
Distance |
38.54 |
|
Distance ly |
125.72 |
|
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 |
Notes | n | |
Reference | Nls2016 | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
289.7 |
0.050 |
2001 |
357.6 |
0.078 |
2002 |
26.2 |
0.103 |
2003 |
51.1 |
0.084 |
2004 |
228.2 |
0.042 |
2005 |
326.1 |
0.058 |
2006 |
11.7 |
0.092 |
2007 |
35.6 |
0.103 |
2008 |
74.6 |
0.049 |
2009 |
273.8 |
0.049 |
2010 |
350.8 |
0.072 |
2011 |
22.5 |
0.101 |
2012 |
46.1 |
0.092 |
2013 |
197.9 |
0.030 |
2014 |
313.6 |
0.054 |
2015 |
6.9 |
0.087 |
2016 |
32.0 |
0.104 |
2017 |
62.5 |
0.065 |
2018 |
257.6 |
0.049 |
2019 |
342.7 |
0.066 |
2020 |
18.7 |
0.098 |
2021 |
41.8 |
0.098 |
2022 |
134.3 |
0.024 |
2023 |
299.3 |
0.051 |
2024 |
1.4 |
0.082 |
2025 |
28.5 |
0.104 |
2026 |
54.9 |
0.077 |
2027 |
240.6 |
0.046 |
2028 |
333.0 |
0.061 |
2029 |
14.5 |
0.095 |
2030 |
37.9 |
0.101 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|