05542-2909 FIN 382 (HD 39891)
05h 54m 14.04s -29° 08' 49.6" P.A. 179.00 sep 0.2 mag 6.61,8.45 Sp F3V dist. 53.91 pc (175.85 l.y.)
| Coord 2000 |
05542-2909 |
|
Discov num |
FIN 382 |
|
Comp |
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Coord arcsec 2000 |
05 54 14.04 -29 08 49.6 |
|
| Date first |
1962 |
|
Date last |
2020 |
|
Obs |
23 |
|
| Pa first |
191 |
|
Pa last |
178.6 |
|
P.A. Now (θ) |
150.4° |
|
| Sep first |
0.1 |
|
Sep last |
0.164 |
|
Sep. Now (ρ) |
0.102" |
|
| Mag pri |
6.61 |
|
Mag sec |
8.45 |
|
delta mag (ΔM) |
1.84 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
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|
| Pri motion dec |
-037 |
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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 39891 |
|
Constellation |
Columba |
|
SAO |
170993 |
|
HIP |
27901 |
|
| Tycho2 |
6503-01607-1 |
|
Gaia DR2 |
2903665833633799040 |
|
HD |
39891 |
|
HR |
2068 |
|
| GC |
7446 |
|
CD |
CD-29 2595 |
|
CP |
CP-29 1048 |
|
Distance |
53.91 |
|
| Distance ly |
175.85 |
|
ORBITAL ELEMENTS
| Period (P) | 10.07y | ± 0.036 |
Periastron (T) | 2015.397y | ± 0.018 |
Semi-major axis (a) | 0.1117a | ± 0.0014 |
| Eccentricity (e) | 0.537 | ± 0.004 |
Inclination (i) | 127.7° | ± 1 |
Longitude of periastron (ω) | 200.1° | ± 1.6 |
| Node (Ω) | 194.8° | ± 1.2 |
Notes | n | |
Reference | Tok2016e | |
| Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
184.6 |
0.167 |
| 2001 |
175.9 |
0.156 |
| 2002 |
164.9 |
0.132 |
| 2003 |
147.1 |
0.097 |
| 2004 |
106.7 |
0.060 |
| 2005 |
29.3 |
0.054 |
| 2006 |
275.1 |
0.043 |
| 2007 |
219.5 |
0.099 |
| 2008 |
203.4 |
0.141 |
| 2009 |
193.5 |
0.162 |
| 2010 |
185.2 |
0.167 |
| 2011 |
176.6 |
0.157 |
| 2012 |
165.8 |
0.134 |
| 2013 |
148.8 |
0.099 |
| 2014 |
111.0 |
0.062 |
| 2015 |
34.7 |
0.054 |
| 2016 |
284.2 |
0.041 |
| 2017 |
221.2 |
0.095 |
| 2018 |
204.2 |
0.138 |
| 2019 |
194.2 |
0.161 |
| 2020 |
185.8 |
0.167 |
| 2021 |
177.2 |
0.158 |
| 2022 |
166.7 |
0.136 |
| 2023 |
150.4 |
0.102 |
| 2024 |
115.0 |
0.064 |
| 2025 |
40.2 |
0.054 |
| 2026 |
294.1 |
0.040 |
| 2027 |
223.1 |
0.091 |
| 2028 |
205.1 |
0.136 |
| 2029 |
194.8 |
0.160 |
| 2030 |
186.3 |
0.167 |
|
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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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