16402-2800 VOU 44 AB
16h 40m 12.19s -27° 59' 50.4" P.A. 2.00 sep 0.2 mag 9.19,10.61 Sp F0/2V dist. 10.08 pc (32.88 l.y.)
| Coord 2000 |
16402-2800 |
|
Discov num |
VOU 44 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 40 12.19 -27 59 50.4 |
|
| Date first |
1938 |
|
Date last |
2019 |
|
Obs |
5 |
|
| Pa first |
62 |
|
Pa last |
1.9 |
|
P.A. Now (θ) |
1.9° |
|
| Sep first |
0.1 |
|
Sep last |
0.228 |
|
Sep. Now (ρ) |
0.228" |
|
| Mag pri |
9.19 |
|
Mag sec |
10.61 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
F0/2V (yellow-white) |
|
| Pri motion ra |
-041 |
|
Sec motion ra |
|
|
| Pri motion dec |
-068 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
16402-2800 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
16 40 12 -27 59 50 |
VOU 44 AB |
2019 |
5 |
2 |
0.2 |
9.19 |
10.61 |
1.42 |
Y |
<=== |
| Show |
HD 150148 |
|
16 40 12 -27 59 50 |
HJ 4878 AB,C |
2016 |
21 |
359 |
8.1 |
8.89 |
9.42 |
0.53 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
HIP |
81619 |
|
Tycho2 |
6804-02525-3 |
|
Gaia DR2 |
6032514633650275840 |
|
| HD |
150148 |
|
ADS |
10143 |
|
CD |
CD-2711061 |
|
Distance |
10.08 |
|
| Distance ly |
32.88 |
|
ORBITAL ELEMENTS
| Period (P) | 104.7y | |
Periastron (T) | 2067y | |
Semi-major axis (a) | 0.192a | |
| Eccentricity (e) | 0.204 | |
Inclination (i) | 41° | |
Longitude of periastron (ω) | 154° | |
| Node (Ω) | 13.4° | |
Notes | | |
Reference | Doc2020d | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
319.6 |
0.181 |
| 2001 |
322.4 |
0.184 |
| 2002 |
325.1 |
0.187 |
| 2003 |
327.8 |
0.191 |
| 2004 |
330.3 |
0.194 |
| 2005 |
332.7 |
0.197 |
| 2006 |
335.1 |
0.200 |
| 2007 |
337.4 |
0.203 |
| 2008 |
339.6 |
0.206 |
| 2009 |
341.8 |
0.209 |
| 2010 |
343.9 |
0.212 |
| 2011 |
346.0 |
0.214 |
| 2012 |
348.0 |
0.216 |
| 2013 |
350.0 |
0.218 |
| 2014 |
351.9 |
0.220 |
| 2015 |
353.9 |
0.222 |
| 2016 |
355.7 |
0.223 |
| 2017 |
357.6 |
0.225 |
| 2018 |
359.5 |
0.226 |
| 2019 |
1.3 |
0.227 |
| 2020 |
3.1 |
0.227 |
| 2021 |
4.9 |
0.227 |
| 2022 |
6.7 |
0.227 |
| 2023 |
8.5 |
0.227 |
| 2024 |
10.4 |
0.227 |
| 2025 |
12.2 |
0.226 |
| 2026 |
14.0 |
0.225 |
| 2027 |
15.9 |
0.224 |
| 2028 |
17.8 |
0.222 |
| 2029 |
19.7 |
0.220 |
| 2030 |
21.6 |
0.218 |
|
|
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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