06432-2821 HDS 933 (HD 48628)
06h 43m 09.90s -28° 21' 09.9" P.A. 220.00 sep 0.2 mag 7.54,9.14 Sp A0IV dist. 209.21 pc (682.44 l.y.)
| Coord 2000 |
06432-2821 |
|
Discov num |
HDS 933 |
|
Comp |
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Coord arcsec 2000 |
06 43 09.90 -28 21 09.9 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
10 |
|
| Pa first |
8 |
|
Pa last |
219.5 |
|
P.A. Now (θ) |
213.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.154 |
|
Sep. Now (ρ) |
0.163" |
|
| Mag pri |
7.54 |
|
Mag sec |
9.14 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
A0IV (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
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|
| Pri motion dec |
-012 |
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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 48628 |
|
Constellation |
Canis Major |
|
SAO |
172226 |
|
HIP |
32185 |
|
| Tycho2 |
6533-00728-1 |
|
Gaia DR2 |
2918730654764719744 |
|
HD |
48628 |
|
GC |
8794 |
|
| CD |
CD-28 3331 |
|
CP |
CP-28 1420 |
|
Distance |
209.21 |
|
Distance ly |
682.44 |
|
ORBITAL ELEMENTS
| Period (P) | 54.6y | |
Periastron (T) | 1982.17y | |
Semi-major axis (a) | 0.157a | |
| Eccentricity (e) | 0.5 | |
Inclination (i) | 106° | |
Longitude of periastron (ω) | 287.1° | |
| Node (Ω) | 23.1° | |
Notes | | |
Reference | Tok2019d | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
321.5 |
0.066 |
| 2001 |
312.3 |
0.064 |
| 2002 |
302.4 |
0.062 |
| 2003 |
292.3 |
0.062 |
| 2004 |
282.6 |
0.064 |
| 2005 |
273.5 |
0.067 |
| 2006 |
265.4 |
0.072 |
| 2007 |
258.4 |
0.077 |
| 2008 |
252.3 |
0.083 |
| 2009 |
247.1 |
0.090 |
| 2010 |
242.7 |
0.097 |
| 2011 |
238.8 |
0.104 |
| 2012 |
235.4 |
0.111 |
| 2013 |
232.4 |
0.118 |
| 2014 |
229.8 |
0.124 |
| 2015 |
227.4 |
0.131 |
| 2016 |
225.2 |
0.137 |
| 2017 |
223.2 |
0.142 |
| 2018 |
221.4 |
0.147 |
| 2019 |
219.6 |
0.152 |
| 2020 |
218.0 |
0.156 |
| 2021 |
216.4 |
0.159 |
| 2022 |
214.9 |
0.161 |
| 2023 |
213.5 |
0.163 |
| 2024 |
212.0 |
0.163 |
| 2025 |
210.5 |
0.162 |
| 2026 |
209.0 |
0.160 |
| 2027 |
207.5 |
0.156 |
| 2028 |
205.8 |
0.150 |
| 2029 |
204.0 |
0.142 |
| 2030 |
201.9 |
0.132 |
|
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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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