06454-3148 EHR 9 Ba,Bb
06h 45m 22.93s -31° 47' 37.1" P.A. 221.00 sep 0.1 mag 12.30,12.80
| Coord 2000 |
06454-3148 |
|
Discov num |
EHR 9 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
06 45 22.93 -31 47 37.1 |
|
| Date first |
2005 |
|
Date last |
2020 |
|
Obs |
18 |
|
| Pa first |
322 |
|
Pa last |
221.1 |
|
P.A. Now (θ) |
93.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.095 |
|
Sep. Now (ρ) |
0.093" |
|
| Mag pri |
12.30 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-206 |
|
Sec motion ra |
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|
| Pri motion dec |
-307 |
|
Sec motion dec |
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| Notes |
N
O
R
(See Notes, Orbital solution, Red magnitudes) |
|
This double is physical.
06454-3148 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 49095 |
197171 |
06 45 23 -31 47 37 |
EHR 9 A,Ba |
2020 |
16 |
200 |
1.3 |
5.60 |
12.30 |
6.70 |
|
|
| Show |
|
197171 |
06 45 23 -31 47 37 |
EHR 9 A,Bb |
2009 |
4 |
210 |
1.3 |
5.60 |
12.80 |
7.20 |
|
|
| Show |
|
|
06 45 23 -31 47 37 |
EHR 9 Ba,Bb |
2020 |
18 |
221 |
0.1 |
12.30 |
12.80 |
0.50 |
Y |
<=== |
Triple system
1 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Canis Major |
|
ORBITAL ELEMENTS
| Period (P) | 6.909y | ± 0.051 |
Periastron (T) | 2014.458y | ± 0.066 |
Semi-major axis (a) | 0.1173a | ± 0.0032 |
| Eccentricity (e) | 0.206 | ± 0.016 |
Inclination (i) | 140.6° | ± 2.6 |
Longitude of periastron (ω) | 349.5° | ± 4.5 |
| Node (Ω) | 193.6° | ± 4.1 |
Notes | n | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
247.0 |
0.083 |
| 2001 |
179.3 |
0.093 |
| 2002 |
111.3 |
0.089 |
| 2003 |
56.7 |
0.116 |
| 2004 |
24.4 |
0.140 |
| 2005 |
356.2 |
0.132 |
| 2006 |
314.5 |
0.097 |
| 2007 |
239.8 |
0.084 |
| 2008 |
173.6 |
0.093 |
| 2009 |
105.1 |
0.090 |
| 2010 |
53.1 |
0.119 |
| 2011 |
21.8 |
0.140 |
| 2012 |
353.3 |
0.130 |
| 2013 |
309.1 |
0.093 |
| 2014 |
233.0 |
0.085 |
| 2015 |
167.8 |
0.092 |
| 2016 |
99.1 |
0.091 |
| 2017 |
49.7 |
0.122 |
| 2018 |
19.4 |
0.141 |
| 2019 |
350.3 |
0.127 |
| 2020 |
303.2 |
0.090 |
| 2021 |
226.3 |
0.087 |
| 2022 |
161.9 |
0.091 |
| 2023 |
93.3 |
0.093 |
| 2024 |
46.5 |
0.125 |
| 2025 |
16.9 |
0.141 |
| 2026 |
347.2 |
0.124 |
| 2027 |
297.0 |
0.088 |
| 2028 |
219.9 |
0.089 |
| 2029 |
155.9 |
0.090 |
| 2030 |
87.8 |
0.096 |
|
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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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