07324-3558 RST 4855 (HD 60312)
07h 32m 22.28s -35° 57' 40.3" P.A. 11.00 sep 0.3 mag 6.70,7.80 Sp B9V dist. 196.46 pc (640.85 l.y.)
| Coord 2000 |
07324-3558 |
|
Discov num |
RST4855 |
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Comp |
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Coord arcsec 2000 |
07 32 22.28 -35 57 40.3 |
|
| Date first |
1942 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
35 |
|
Pa last |
10.9 |
|
P.A. Now (θ) |
13.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.302 |
|
Sep. Now (ρ) |
0.319" |
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| Mag pri |
6.70 |
|
Mag sec |
7.80 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
B9V (blue-white) |
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| Pri motion ra |
-012 |
|
Sec motion ra |
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|
| Pri motion dec |
+008 |
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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 60312 |
|
Constellation |
Puppis |
|
SAO |
198104 |
|
HIP |
36657 |
|
| Tycho2 |
7117-02316-1 |
|
Gaia DR2 |
5588147662109599744 |
|
HD |
60312 |
|
HR |
2895 |
|
| GC |
10102 |
|
CD |
CD-35 3659 |
|
CP |
CP-35 1297 |
|
Distance |
196.46 |
|
| Distance ly |
640.85 |
|
ORBITAL ELEMENTS
| Period (P) | 116.7y | ± 5.5 |
Periastron (T) | 1991.28y | ± 0.31 |
Semi-major axis (a) | 0.212a | ± 0.006 |
| Eccentricity (e) | 0.832 | ± 0.018 |
Inclination (i) | 34.6° | ± 4.2 |
Longitude of periastron (ω) | 44.6° | ± 9.4 |
| Node (Ω) | 168.8° | ± 9.3 |
Notes | | |
Reference | Tok2014a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
348.5 |
0.158 |
| 2001 |
350.8 |
0.170 |
| 2002 |
352.9 |
0.181 |
| 2003 |
354.7 |
0.192 |
| 2004 |
356.3 |
0.201 |
| 2005 |
357.8 |
0.211 |
| 2006 |
359.2 |
0.220 |
| 2007 |
0.4 |
0.228 |
| 2008 |
1.6 |
0.236 |
| 2009 |
2.7 |
0.244 |
| 2010 |
3.8 |
0.251 |
| 2011 |
4.7 |
0.258 |
| 2012 |
5.7 |
0.264 |
| 2013 |
6.6 |
0.270 |
| 2014 |
7.4 |
0.276 |
| 2015 |
8.2 |
0.282 |
| 2016 |
9.0 |
0.287 |
| 2017 |
9.7 |
0.293 |
| 2018 |
10.5 |
0.298 |
| 2019 |
11.2 |
0.302 |
| 2020 |
11.9 |
0.307 |
| 2021 |
12.5 |
0.311 |
| 2022 |
13.2 |
0.315 |
| 2023 |
13.8 |
0.319 |
| 2024 |
14.4 |
0.322 |
| 2025 |
15.0 |
0.326 |
| 2026 |
15.6 |
0.329 |
| 2027 |
16.2 |
0.332 |
| 2028 |
16.8 |
0.335 |
| 2029 |
17.3 |
0.337 |
| 2030 |
17.9 |
0.340 |
|
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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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