06203-3004 TOK 821 Aa,Ab
06h 20m 18.79s -30° 03' 48.2" P.A. 87.00 sep 0.0 mag 3.60,3.80 Sp B2.5V dist. 111.11 pc (362.44 l.y.)
| Coord 2000 |
06203-3004 |
|
Discov num |
TOK 821 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
06 20 18.79 -30 03 48.2 |
|
| Date first |
2019 |
|
Date last |
2021 |
|
Obs |
7 |
|
| Pa first |
91 |
|
Pa last |
86.5 |
|
P.A. Now (θ) |
86.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.037 |
|
Sep. Now (ρ) |
0.037" |
|
| Mag pri |
3.60 |
|
Mag sec |
3.80 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
B2.5V (blue-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06203-3004 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
196698 |
06 20 19 -30 03 48 |
TOK 821 Aa,Ab |
2021 |
7 |
87 |
0.0 |
3.60 |
3.80 |
0.20 |
Y |
<=== |
| Show |
Furud |
196698 |
06 20 19 -30 03 48 |
SMY 1 AB |
2016 |
16 |
340 |
169.6 |
2.96 |
7.81 |
4.85 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Furud |
|
Var name |
NSV2927 CMa |
|
Constellation |
Canis Major |
|
SAO |
196698 |
|
| HIP |
30122 |
|
Tycho2 |
7073-02426-1 |
|
HD |
44402 |
|
HR |
2282 |
|
| GC |
8170 |
|
CD |
CD-30 3038 |
|
CP |
CP-30 1217 |
|
Bayer |
Zeta Canis Majoris |
|
| Bayer name |
Zet CMa |
|
Flamsteed |
1 Canis Majoris |
|
Flamsteed name |
1 CMa |
|
FK5 |
240 |
|
| Distance |
111.11 |
|
Distance ly |
362.44 |
|
Bayer greek |
ζ CMa |
|
ORBITAL ELEMENTS
| Period (P) | 1.85y | ± 0.22 |
Periastron (T) | 2018.98y | ± 0.28 |
Semi-major axis (a) | 0.032a | ± 0.004 |
| Eccentricity (e) | 0.3 | ± 0.12 |
Inclination (i) | 51.1° | ± 9.6 |
Longitude of periastron (ω) | 215.9° | ± 26.4 |
| Node (Ω) | 62° | ± 14.7 |
Notes | n | |
Reference | Tok2021f | |
| Equinox | | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
153.0 |
0.022 |
| 2001 |
53.8 |
0.036 |
| 2002 |
191.1 |
0.022 |
| 2003 |
66.3 |
0.039 |
| 2004 |
224.8 |
0.024 |
| 2005 |
77.8 |
0.039 |
| 2006 |
258.0 |
0.021 |
| 2007 |
90.5 |
0.036 |
| 2008 |
315.4 |
0.015 |
| 2009 |
106.9 |
0.030 |
| 2010 |
16.5 |
0.021 |
| 2011 |
130.9 |
0.025 |
| 2012 |
43.2 |
0.031 |
| 2013 |
165.6 |
0.022 |
| 2014 |
58.3 |
0.037 |
| 2015 |
203.0 |
0.023 |
| 2016 |
70.2 |
0.040 |
| 2017 |
235.1 |
0.024 |
| 2018 |
81.8 |
0.038 |
| 2019 |
272.8 |
0.019 |
| 2020 |
95.4 |
0.034 |
| 2021 |
340.2 |
0.016 |
| 2022 |
113.8 |
0.028 |
| 2023 |
27.8 |
0.025 |
| 2024 |
141.3 |
0.023 |
| 2025 |
48.9 |
0.034 |
| 2026 |
178.5 |
0.022 |
| 2027 |
62.4 |
0.039 |
| 2028 |
214.2 |
0.023 |
| 2029 |
74.0 |
0.040 |
| 2030 |
245.9 |
0.023 |
|
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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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