09387-3937 I 202 (HD 83610)
09h 38m 40.71s -39° 36' 50.9" P.A. 250.00 sep 0.3 mag 7.02,8.37 Sp F6V dist. 40.93 pc (133.51 l.y.)
| Coord 2000 |
09387-3937 |
|
Discov num |
I 202 |
|
Comp |
|
|
Coord arcsec 2000 |
09 38 40.71 -39 36 50.9 |
|
| Date first |
1897 |
|
Date last |
2021 |
|
Obs |
29 |
|
| Pa first |
359 |
|
Pa last |
250.1 |
|
P.A. Now (θ) |
250.1° |
|
| Sep first |
1.0 |
|
Sep last |
0.289 |
|
Sep. Now (ρ) |
0.289" |
|
| Mag pri |
7.02 |
|
Mag sec |
8.37 |
|
delta mag (ΔM) |
1.35 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
-046 |
|
Sec motion ra |
-046 |
|
| Pri motion dec |
-064 |
|
Sec motion dec |
-064 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 83610 |
|
Constellation |
Antlia |
|
SAO |
200590 |
|
HIP |
47328 |
|
| Tycho2 |
7696-01463-1 |
|
Gaia DR2 |
5432546322733015808 |
|
HD |
83610 |
|
HR |
3844 |
|
| GC |
13334 |
|
CD |
CD-39 5697 |
|
CP |
CP-39 3779 |
|
Distance |
40.93 |
|
| Distance ly |
133.51 |
|
ORBITAL ELEMENTS
| Period (P) | 163.69y | ± 3.53 |
Periastron (T) | 2005.49y | ± 0.67 |
Semi-major axis (a) | 0.932a | ± 0.017 |
| Eccentricity (e) | 0.414 | ± 0.012 |
Inclination (i) | 111.4° | ± 0.9 |
Longitude of periastron (ω) | 203.4° | ± 2.2 |
| Node (Ω) | 178.6° | ± 1.1 |
Notes | | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
1.4 |
0.566 |
| 2001 |
359.4 |
0.562 |
| 2002 |
357.4 |
0.555 |
| 2003 |
355.3 |
0.545 |
| 2004 |
353.1 |
0.532 |
| 2005 |
350.8 |
0.516 |
| 2006 |
348.3 |
0.497 |
| 2007 |
345.7 |
0.476 |
| 2008 |
342.7 |
0.452 |
| 2009 |
339.4 |
0.426 |
| 2010 |
335.7 |
0.399 |
| 2011 |
331.4 |
0.371 |
| 2012 |
326.5 |
0.344 |
| 2013 |
320.6 |
0.317 |
| 2014 |
313.7 |
0.292 |
| 2015 |
305.7 |
0.270 |
| 2016 |
296.4 |
0.254 |
| 2017 |
286.1 |
0.243 |
| 2018 |
275.1 |
0.240 |
| 2019 |
264.3 |
0.245 |
| 2020 |
254.1 |
0.257 |
| 2021 |
245.1 |
0.275 |
| 2022 |
237.4 |
0.298 |
| 2023 |
230.8 |
0.325 |
| 2024 |
225.3 |
0.355 |
| 2025 |
220.7 |
0.386 |
| 2026 |
216.7 |
0.418 |
| 2027 |
213.4 |
0.451 |
| 2028 |
210.5 |
0.485 |
| 2029 |
208.0 |
0.518 |
| 2030 |
205.7 |
0.551 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
