06499-2806 HDS 947 AB
06h 49m 55.68s -28° 05' 57.4" P.A. 349.00 sep 0.1 mag 10.64,10.65 Sp K1V dist. 68.68 pc (224.03 l.y.)
| Coord 2000 |
06499-2806 |
|
Discov num |
HDS 947 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 49 55.68 -28 05 57.4 |
|
| Date first |
1991 |
|
Date last |
2023 |
|
Obs |
19 |
|
| Pa first |
54 |
|
Pa last |
349.3 |
|
P.A. Now (θ) |
8.5° (calc) |
|
| Sep first |
0.2 |
|
Sep last |
0.113 |
|
Sep. Now (ρ) |
0.119" (calc) |
|
| Mag pri |
10.64 |
|
Mag sec |
10.65 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
K1V (yellow-orange) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+153 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06499-2806 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
06 49 56 -28 05 57 |
HDS 947 AB |
2023 |
19 |
349 |
0.1 |
10.64 |
10.65 |
0.01 |
Y |
<=== |
| Show |
|
|
06 49 56 -28 05 57 |
HDS 947 AC |
2023 |
14 |
266 |
0.3 |
9.80 |
13.00 |
3.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Canis Major |
|
HIP |
32767 |
|
Tycho2 |
6529-01708-1 |
|
Gaia DR2 |
2918974780706636544 |
|
| HD |
49996 |
|
CD |
CD-27 3309 |
|
CP |
CP-27 1486 |
|
Distance |
68.68 |
|
| Distance ly |
224.03 |
|
ORBITAL ELEMENTS
| Period (P) | 23.56y | ± 0.92 |
Periastron (T) | 2005.38y | ± 1.23 |
Semi-major axis (a) | 0.1423a | ± 0.0074 |
| Eccentricity (e) | 0.349 | ± 0.069 |
Inclination (i) | 65.5° | ± 2.8 |
Longitude of periastron (ω) | 257.4° | ± 5.9 |
| Node (Ω) | 190.6° | ± 2.5 |
Notes | n | |
Reference | Tok2024e | |
| Equinox | 2000 | |
Last observation | 2024 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
349.0 |
0.119 |
| 2001 |
357.1 |
0.124 |
| 2002 |
4.9 |
0.123 |
| 2003 |
13.5 |
0.111 |
| 2004 |
25.8 |
0.087 |
| 2005 |
51.8 |
0.053 |
| 2006 |
119.6 |
0.041 |
| 2007 |
163.0 |
0.072 |
| 2008 |
178.7 |
0.105 |
| 2009 |
187.5 |
0.128 |
| 2010 |
194.1 |
0.142 |
| 2011 |
199.8 |
0.146 |
| 2012 |
205.5 |
0.145 |
| 2013 |
211.5 |
0.138 |
| 2014 |
218.3 |
0.128 |
| 2015 |
226.4 |
0.115 |
| 2016 |
236.7 |
0.102 |
| 2017 |
249.8 |
0.090 |
| 2018 |
266.4 |
0.081 |
| 2019 |
285.5 |
0.078 |
| 2020 |
304.4 |
0.082 |
| 2021 |
320.7 |
0.091 |
| 2022 |
333.6 |
0.102 |
| 2023 |
344.0 |
0.113 |
| 2024 |
352.6 |
0.122 |
| 2025 |
0.5 |
0.125 |
| 2026 |
8.5 |
0.119 |
| 2027 |
18.2 |
0.102 |
| 2028 |
34.2 |
0.072 |
| 2029 |
76.4 |
0.041 |
| 2030 |
145.0 |
0.052 |
| 2031 |
171.4 |
0.087 |
| 2032 |
183.1 |
0.116 |
| 2033 |
190.6 |
0.135 |
| 2034 |
196.7 |
0.145 |
| 2035 |
202.3 |
0.146 |
| 2036 |
208.0 |
0.142 |
| 2037 |
214.3 |
0.134 |
| 2038 |
221.7 |
0.122 |
| 2039 |
230.6 |
0.109 |
| 2040 |
242.1 |
0.096 |
| 2041 |
256.7 |
0.086 |
| 2042 |
274.7 |
0.079 |
| 2043 |
294.0 |
0.079 |
| 2044 |
312.0 |
0.085 |
| 2045 |
326.7 |
0.096 |
| 2046 |
338.5 |
0.107 |
| 2047 |
348.0 |
0.118 |
| 2048 |
356.2 |
0.124 |
| 2049 |
3.9 |
0.123 |
| 2050 |
12.4 |
0.113 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
