08394-3636 I 314 (HD 73900)
08h 39m 22.09s -36° 36' 24.0" P.A. 241.00 sep 0.9 mag 6.40,7.90 Sp F1IV dist. 37.85 pc (123.47 l.y.)
| Coord 2000 |
08394-3636 |
|
Discov num |
I 314 |
|
Comp |
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Coord arcsec 2000 |
08 39 22.09 -36 36 24.0 |
|
| Date first |
1900 |
|
Date last |
2021 |
|
Obs |
33 |
|
| Pa first |
239 |
|
Pa last |
241.1 |
|
P.A. Now (θ) |
240.9° |
|
| Sep first |
1.0 |
|
Sep last |
0.949 |
|
Sep. Now (ρ) |
0.964" |
|
| Mag pri |
6.40 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
F1IV (yellow-white) |
|
| Pri motion ra |
-175 |
|
Sec motion ra |
|
|
| Pri motion dec |
+048 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 73900 |
|
Constellation |
Pyxis |
|
SAO |
199473 |
|
HIP |
42455 |
|
| Tycho2 |
7148-03874-1 |
|
Gaia DR2 |
5530317851619425024 |
|
HD |
73900 |
|
HR |
3434 |
|
| GC |
11895 |
|
CD |
CD-36 4872 |
|
CP |
CP-36 2797 |
|
Distance |
37.85 |
|
| Distance ly |
123.47 |
|
ORBITAL ELEMENTS
| Period (P) | 65.79y | |
Periastron (T) | 1990.84y | |
Semi-major axis (a) | 0.565a | |
| Eccentricity (e) | 0.824 | |
Inclination (i) | 99° | |
Longitude of periastron (ω) | 339.7° | |
| Node (Ω) | 57.5° | |
Notes | n | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
248.4 |
0.398 |
| 2001 |
247.6 |
0.443 |
| 2002 |
246.9 |
0.486 |
| 2003 |
246.2 |
0.526 |
| 2004 |
245.7 |
0.564 |
| 2005 |
245.3 |
0.600 |
| 2006 |
244.9 |
0.635 |
| 2007 |
244.5 |
0.667 |
| 2008 |
244.2 |
0.697 |
| 2009 |
243.9 |
0.726 |
| 2010 |
243.6 |
0.753 |
| 2011 |
243.3 |
0.778 |
| 2012 |
243.1 |
0.802 |
| 2013 |
242.8 |
0.824 |
| 2014 |
242.6 |
0.845 |
| 2015 |
242.4 |
0.864 |
| 2016 |
242.2 |
0.881 |
| 2017 |
242.0 |
0.897 |
| 2018 |
241.8 |
0.912 |
| 2019 |
241.6 |
0.925 |
| 2020 |
241.4 |
0.937 |
| 2021 |
241.3 |
0.947 |
| 2022 |
241.1 |
0.956 |
| 2023 |
240.9 |
0.964 |
| 2024 |
240.8 |
0.970 |
| 2025 |
240.6 |
0.974 |
| 2026 |
240.4 |
0.977 |
| 2027 |
240.3 |
0.979 |
| 2028 |
240.1 |
0.979 |
| 2029 |
240.0 |
0.978 |
| 2030 |
239.8 |
0.975 |
|
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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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