16391-3713 FIN 340 AB
16h 39m 05.24s -37° 13' 02.1" P.A. 109.00 sep 0.1 mag 6.60,6.60 Sp B9-A0V+B dist. 112.11 pc (365.7 l.y.)
| Coord 2000 |
16391-3713 |
|
Discov num |
FIN 340 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 39 05.24 -37 13 02.1 |
|
| Date first |
1954 |
|
Date last |
2021 |
|
Obs |
20 |
|
| Pa first |
147 |
|
Pa last |
109 |
|
P.A. Now (θ) |
115.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.109 |
|
Sep. Now (ρ) |
0.123" |
|
| Mag pri |
6.60 |
|
Mag sec |
6.60 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
B9-A0V+B (blue-white/white) |
|
| Pri motion ra |
-012 |
|
Sec motion ra |
|
|
| Pri motion dec |
-047 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16391-3713 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
207878 |
16 39 05 -37 13 02 |
FIN 340 AB |
2021 |
20 |
109 |
0.1 |
6.60 |
6.60 |
0.00 |
Y |
<=== |
| Show |
HD 149886 |
207878 |
16 39 05 -37 13 02 |
HJ 4870 AB,C |
1999 |
10 |
10 |
34.6 |
5.93 |
11.34 |
5.41 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
SAO |
207878 |
|
HIP |
81523 |
|
Tycho2 |
7358-00409-1 |
|
| Gaia DR2 |
6019397116350518528 |
|
HD |
149886 |
|
HR |
6178 |
|
GC |
22368 |
|
| CD |
CD-3610879 |
|
CP |
CP-36 7010 |
|
FK5 |
3317 |
|
Distance |
112.11 |
|
| Distance ly |
365.7 |
|
ORBITAL ELEMENTS
| Period (P) | 23.99y | ± 0.06 |
Periastron (T) | 2013.87y | ± 0.02 |
Semi-major axis (a) | 0.102a | ± 0 |
| Eccentricity (e) | 0.621 | ± 0.004 |
Inclination (i) | 55.4° | ± 0.4 |
Longitude of periastron (ω) | 143.3° | ± 0.8 |
| Node (Ω) | 149.6° | ± 0.4 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
119.8 |
0.132 |
| 2001 |
123.6 |
0.139 |
| 2002 |
127.1 |
0.145 |
| 2003 |
130.3 |
0.148 |
| 2004 |
133.4 |
0.150 |
| 2005 |
136.5 |
0.149 |
| 2006 |
139.7 |
0.147 |
| 2007 |
143.1 |
0.141 |
| 2008 |
146.8 |
0.133 |
| 2009 |
151.1 |
0.121 |
| 2010 |
156.6 |
0.104 |
| 2011 |
164.5 |
0.083 |
| 2012 |
179.3 |
0.056 |
| 2013 |
226.2 |
0.028 |
| 2014 |
314.1 |
0.036 |
| 2015 |
352.6 |
0.046 |
| 2016 |
23.8 |
0.048 |
| 2017 |
51.4 |
0.053 |
| 2018 |
72.1 |
0.063 |
| 2019 |
86.6 |
0.076 |
| 2020 |
96.9 |
0.089 |
| 2021 |
104.6 |
0.101 |
| 2022 |
110.6 |
0.113 |
| 2023 |
115.6 |
0.123 |
| 2024 |
119.9 |
0.132 |
| 2025 |
123.7 |
0.139 |
| 2026 |
127.1 |
0.145 |
| 2027 |
130.3 |
0.148 |
| 2028 |
133.5 |
0.150 |
| 2029 |
136.6 |
0.149 |
| 2030 |
139.7 |
0.146 |
|
|
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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