06573-4929 RST 5253 AB
06h 57m 20.36s -49° 29' 07.2" P.A. 331.00 sep 0.2 mag 10.25,10.35 Sp G5/6III: dist. 83.13 pc (271.17 l.y.)
| Coord 2000 |
06573-4929 |
|
Discov num |
RST5253 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 57 20.36 -49 29 07.2 |
|
| Date first |
1944 |
|
Date last |
2019 |
|
Obs |
16 |
|
| Pa first |
329 |
|
Pa last |
330.5 |
|
P.A. Now (θ) |
338.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.217 |
|
Sep. Now (ρ) |
0.195" |
|
| Mag pri |
10.25 |
|
Mag sec |
10.35 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
G5/6III: (yellow) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+036 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06573-4929 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
218338 |
06 57 20 -49 29 07 |
RST 5253 AB |
2019 |
16 |
331 |
0.2 |
10.25 |
10.35 |
0.10 |
Y |
<=== |
| Show |
HD 52118 |
218338 |
06 57 20 -49 29 07 |
RST 5253 AC |
2019 |
8 |
240 |
1.1 |
10.25 |
10.35 |
0.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Puppis |
|
SAO |
218338 |
|
HIP |
33455 |
|
Tycho2 |
8126-02431-1 |
|
| Gaia DR2 |
5508296008094329600 |
|
HD |
52118 |
|
CD |
CD-49 2532 |
|
CP |
CP-49 1084 |
|
| Distance |
83.13 |
|
Distance ly |
271.17 |
|
ORBITAL ELEMENTS
| Period (P) | 50.66y | ± 1.53 |
Periastron (T) | 2006.36y | ± 2.03 |
Semi-major axis (a) | 0.217a | ± 0.0041 |
| Eccentricity (e) | 0.038 | ± 0.032 |
Inclination (i) | 72.2° | ± 0.7 |
Longitude of periastron (ω) | 87.5° | ± 5.2 |
| Node (Ω) | 148.8° | ± 0.6 |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
162.8 |
0.169 |
| 2001 |
166.7 |
0.152 |
| 2002 |
171.8 |
0.133 |
| 2003 |
178.5 |
0.114 |
| 2004 |
187.9 |
0.095 |
| 2005 |
201.9 |
0.078 |
| 2006 |
222.0 |
0.066 |
| 2007 |
246.6 |
0.064 |
| 2008 |
269.0 |
0.073 |
| 2009 |
285.1 |
0.088 |
| 2010 |
296.0 |
0.107 |
| 2011 |
303.5 |
0.126 |
| 2012 |
309.1 |
0.145 |
| 2013 |
313.4 |
0.163 |
| 2014 |
316.9 |
0.179 |
| 2015 |
319.9 |
0.192 |
| 2016 |
322.5 |
0.203 |
| 2017 |
324.9 |
0.211 |
| 2018 |
327.1 |
0.215 |
| 2019 |
329.3 |
0.217 |
| 2020 |
331.5 |
0.216 |
| 2021 |
333.7 |
0.212 |
| 2022 |
336.1 |
0.205 |
| 2023 |
338.6 |
0.195 |
| 2024 |
341.5 |
0.183 |
| 2025 |
344.7 |
0.169 |
| 2026 |
348.7 |
0.153 |
| 2027 |
353.6 |
0.136 |
| 2028 |
359.9 |
0.118 |
| 2029 |
8.4 |
0.101 |
| 2030 |
20.3 |
0.085 |
|
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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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