16058-2023 LAF 105 AB
16h 05m 45.40s -20° 23' 08.8" P.A. 147.00 sep 1.6 mag 10.41,17.61 Sp M2
| Coord 2000 |
16058-2023 |
|
Discov num |
LAF 105 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 05 45.40 -20 23 08.8 |
|
| Date first |
2008 |
|
Date last |
2008 |
|
Obs |
1 |
|
| Pa first |
147 |
|
Pa last |
146.5 |
|
P.A. Now (θ) |
146.5° |
|
| Sep first |
1.6 |
|
Sep last |
1.602 |
|
Sep. Now (ρ) |
1.602" |
|
| Mag pri |
10.41 |
|
Mag sec |
17.61 |
|
delta mag (ΔM) |
7.2 |
|
Spectral class |
M2 (red) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-022 |
|
Sec motion dec |
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| Notes |
U
K
(Proper motion indicates non-physical, 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 not physical.
16058-2023 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
16 05 45 -20 23 09 |
LAF 105 AB |
2008 |
1 |
147 |
1.6 |
10.41 |
17.61 |
7.20 |
|
<=== |
| Show |
|
|
16 05 45 -20 23 09 |
LAF 105 AC |
2015 |
2 |
48 |
2.1 |
10.41 |
13.54 |
3.13 |
|
|
| Show |
|
|
16 05 45 -20 23 09 |
LAF 105 AD |
2015 |
2 |
60 |
10.0 |
10.41 |
16.91 |
6.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
Gaia DR2 |
6244077816335061504 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 16057-2027 |
| coord_arcsec_2000 | 160540.29-202657.1 |
| Period (P) | 0.2901y | |
Periastron (T) | 1989.99y | |
Semi-major axis (a) | 0.0124a | |
| Eccentricity (e) | 0.151 | |
Inclination (i) | 83.2° | |
Longitude of periastron (ω) | 85.7° | |
| Node (Ω) | 215.2° | |
Notes | n | |
Reference | Are2000 | |
| Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
102.3 |
0.002 |
| 2001 |
228.0 |
0.005 |
| 2002 |
46.1 |
0.007 |
| 2003 |
217.0 |
0.011 |
| 2004 |
38.7 |
0.012 |
| 2005 |
212.1 |
0.012 |
| 2006 |
34.0 |
0.012 |
| 2007 |
204.8 |
0.008 |
| 2008 |
25.7 |
0.006 |
| 2009 |
152.7 |
0.002 |
| 2010 |
237.6 |
0.003 |
| 2011 |
49.4 |
0.006 |
| 2012 |
218.3 |
0.010 |
| 2013 |
39.8 |
0.011 |
| 2014 |
213.2 |
0.012 |
| 2015 |
35.1 |
0.012 |
| 2016 |
207.1 |
0.009 |
| 2017 |
28.7 |
0.008 |
| 2018 |
181.2 |
0.003 |
| 2019 |
272.8 |
0.001 |
| 2020 |
54.6 |
0.005 |
| 2021 |
220.0 |
0.009 |
| 2022 |
41.2 |
0.010 |
| 2023 |
214.3 |
0.012 |
| 2024 |
36.1 |
0.012 |
| 2025 |
208.9 |
0.010 |
| 2026 |
30.7 |
0.009 |
| 2027 |
193.4 |
0.004 |
| 2028 |
352.9 |
0.002 |
| 2029 |
64.0 |
0.003 |
| 2030 |
222.2 |
0.008 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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