07481-5425 HDS 1103 (HD 63854)
07h 48m 04.93s -54° 25' 06.0" P.A. 194.00 sep 0.1 mag 9.20,10.52 Sp F8V dist. 318.47 pc (1038.85 l.y.)
| Coord 2000 |
07481-5425 |
|
Discov num |
HDS1103 |
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Comp |
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Coord arcsec 2000 |
07 48 04.93 -54 25 06.0 |
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| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
9 |
|
| Pa first |
324 |
|
Pa last |
194.2 |
|
P.A. Now (θ) |
194.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.086 |
|
Sep. Now (ρ) |
0.086" |
|
| Mag pri |
9.20 |
|
Mag sec |
10.52 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
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| Pri motion dec |
+045 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 63854 |
|
Constellation |
Carina |
|
SAO |
235526 |
|
HIP |
36068 |
|
| Tycho2 |
8557-00647-1 |
|
Gaia DR2 |
5488562007761045120 |
|
HD |
63854 |
|
BD |
BD-13 2008 |
|
| CP |
CP-54 1388 |
|
Distance |
318.47 |
|
Distance ly |
1038.85 |
|
ORBITAL ELEMENTS
| Period (P) | 70y | |
Periastron (T) | 2029.23y | |
Semi-major axis (a) | 0.222a | |
| Eccentricity (e) | 0.3 | |
Inclination (i) | 113.5° | |
Longitude of periastron (ω) | 172.1° | |
| Node (Ω) | 318.5° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
314.9 |
0.280 |
| 2001 |
313.6 |
0.276 |
| 2002 |
312.3 |
0.271 |
| 2003 |
311.0 |
0.265 |
| 2004 |
309.6 |
0.258 |
| 2005 |
308.1 |
0.250 |
| 2006 |
306.5 |
0.241 |
| 2007 |
304.7 |
0.231 |
| 2008 |
302.8 |
0.220 |
| 2009 |
300.7 |
0.208 |
| 2010 |
298.4 |
0.196 |
| 2011 |
295.7 |
0.183 |
| 2012 |
292.5 |
0.169 |
| 2013 |
288.8 |
0.154 |
| 2014 |
284.4 |
0.140 |
| 2015 |
278.9 |
0.125 |
| 2016 |
271.9 |
0.111 |
| 2017 |
263.1 |
0.098 |
| 2018 |
251.8 |
0.087 |
| 2019 |
237.8 |
0.080 |
| 2020 |
221.9 |
0.077 |
| 2021 |
205.8 |
0.079 |
| 2022 |
191.5 |
0.086 |
| 2023 |
179.7 |
0.096 |
| 2024 |
170.4 |
0.107 |
| 2025 |
162.9 |
0.119 |
| 2026 |
156.7 |
0.131 |
| 2027 |
151.5 |
0.141 |
| 2028 |
146.8 |
0.148 |
| 2029 |
142.6 |
0.153 |
| 2030 |
138.6 |
0.156 |
|
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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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