07143-2621 FIN 323 (27 CMa)
07h 14m 15.22s -26° 21' 09.1" P.A. 355.00 sep 0.1 mag 5.39,4.92 Sp B3IIIe dist. 531.91 pc (1735.09 l.y.)
| Coord 2000 |
07143-2621 |
|
Discov num |
FIN 323 |
|
Comp |
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Coord arcsec 2000 |
07 14 15.22 -26 21 09.1 |
|
| Date first |
1952 |
|
Date last |
2020 |
|
Obs |
34 |
|
| Pa first |
292 |
|
Pa last |
355 |
|
P.A. Now (θ) |
355.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.071 |
|
Sep. Now (ρ) |
0.074" |
|
| Mag pri |
5.39 |
|
Mag sec |
4.92 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
B3IIIe (blue-white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
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|
| Pri motion dec |
+000 |
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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 |
27 CMa |
|
Var name |
EW CMa |
|
Constellation |
Canis Major |
|
SAO |
173264 |
|
| HIP |
34981 |
|
Tycho2 |
6532-05000-1 |
|
Gaia DR2 |
5610288149803056896 |
|
HD |
56014 |
|
| HR |
2745 |
|
GC |
9608 |
|
CD |
CD-26 4057 |
|
CP |
CP-26 1904 |
|
| Flamsteed |
27 Canis Majoris |
|
Flamsteed name |
27 CMa |
|
Distance |
531.91 |
|
Distance ly |
1735.09 |
|
ORBITAL ELEMENTS
| Period (P) | 118.54y | ± 11.14 |
Periastron (T) | 1971.01y | ± 0.74 |
Semi-major axis (a) | 0.178a | ± 0.012 |
| Eccentricity (e) | 0.747 | ± 0.094 |
Inclination (i) | 80.2° | ± 1 |
Longitude of periastron (ω) | 85° | ± 3.6 |
| Node (Ω) | 131.3° | ± 3 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
329.0 |
0.124 |
| 2001 |
329.7 |
0.123 |
| 2002 |
330.5 |
0.121 |
| 2003 |
331.2 |
0.119 |
| 2004 |
332.0 |
0.117 |
| 2005 |
332.8 |
0.115 |
| 2006 |
333.7 |
0.113 |
| 2007 |
334.5 |
0.111 |
| 2008 |
335.4 |
0.109 |
| 2009 |
336.4 |
0.107 |
| 2010 |
337.3 |
0.104 |
| 2011 |
338.4 |
0.102 |
| 2012 |
339.4 |
0.100 |
| 2013 |
340.5 |
0.097 |
| 2014 |
341.7 |
0.095 |
| 2015 |
343.0 |
0.093 |
| 2016 |
344.3 |
0.090 |
| 2017 |
345.6 |
0.088 |
| 2018 |
347.1 |
0.085 |
| 2019 |
348.6 |
0.083 |
| 2020 |
350.2 |
0.081 |
| 2021 |
352.0 |
0.078 |
| 2022 |
353.8 |
0.076 |
| 2023 |
355.7 |
0.074 |
| 2024 |
357.8 |
0.071 |
| 2025 |
360.0 |
0.069 |
| 2026 |
2.3 |
0.067 |
| 2027 |
4.8 |
0.065 |
| 2028 |
7.5 |
0.063 |
| 2029 |
10.3 |
0.061 |
| 2030 |
13.2 |
0.060 |
|
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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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