07204-5219 RMK 6 AB (HD 57852)
07h 20m 21.40s -52° 18' 41.8" P.A. 27.00 sep 9.0 mag 6.00,6.51 Sp F0-2IV-V dist. 31.72 pc (103.47 l.y.)
| Coord 2000 |
07204-5219 |
|
Discov num |
RMK 6 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 20 21.40 -52 18 41.8 |
|
| Date first |
1826 |
|
Date last |
2016 |
|
Obs |
46 |
|
| Pa first |
25 |
|
Pa last |
26.7 |
|
P.A. Now (θ) |
26.7° |
|
| Sep first |
12.0 |
|
Sep last |
9.048 |
|
Sep. Now (ρ) |
9.048" |
|
| Mag pri |
6.00 |
|
Mag sec |
6.51 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
F0-2IV-V (yellow-white) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
-078 |
|
| Pri motion dec |
+148 |
|
Sec motion dec |
+147 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.258 (< 0.3, Physical double)
This double is physical.
07204-5219 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 57852 |
235110 |
07 20 21 -52 18 42 |
RMK 6 AB |
2016 |
46 |
27 |
9.0 |
6.00 |
6.51 |
0.51 |
Y |
<=== |
| Show |
|
235110 |
07 20 21 -52 18 42 |
CVN 77 AC |
2011 |
2 |
299 |
1.9 |
5.13 |
20.00 |
14.87 |
|
|
| Show |
|
235110 |
07 20 21 -52 18 42 |
CVN 77 AD |
2011 |
3 |
150 |
3.5 |
5.13 |
17.30 |
12.17 |
|
|
| Show |
|
235110 |
07 20 21 -52 18 42 |
CVN 77 AE |
2011 |
3 |
2 |
6.6 |
5.13 |
19.20 |
14.07 |
|
|
| Show |
|
235110 |
07 20 21 -52 18 42 |
BNV 6 AF |
2019 |
1 |
20 |
4.8 |
4.90 |
20.80 |
15.90 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 57852 |
|
Constellation |
Carina |
|
SAO |
235110 |
|
HIP |
35564 |
|
| Tycho2 |
8132-02112-1 |
|
Gaia DR2 |
5492026740697659648 |
|
HD |
57852 |
|
HR |
2813 |
|
| GC |
9811 |
|
CP |
CP-52 1153 |
|
Distance |
31.72 |
|
Distance ly |
103.47 |
|
ORBITAL ELEMENTS
| Period (P) | 10000c | |
Periastron (T) | 10000y | ± 4000 |
Semi-major axis (a) | 600a | |
| Eccentricity (e) | 0.9 | ± 0.3 |
Inclination (i) | 85° | ± 1 |
Longitude of periastron (ω) | 340° | ± 120 |
| Node (Ω) | 146° | ± 2 |
Notes | | |
Reference | LRR2018b | |
| Equinox | 2000 | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
345.9 |
25.804 |
| 2001 |
345.9 |
25.794 |
| 2002 |
345.9 |
25.783 |
| 2003 |
345.9 |
25.773 |
| 2004 |
345.9 |
25.762 |
| 2005 |
345.9 |
25.752 |
| 2006 |
345.9 |
25.741 |
| 2007 |
345.9 |
25.731 |
| 2008 |
345.9 |
25.720 |
| 2009 |
345.9 |
25.709 |
| 2010 |
345.9 |
25.699 |
| 2011 |
346.0 |
25.688 |
| 2012 |
346.0 |
25.678 |
| 2013 |
346.0 |
25.667 |
| 2014 |
346.0 |
25.657 |
| 2015 |
346.0 |
25.646 |
| 2016 |
346.0 |
25.635 |
| 2017 |
346.0 |
25.625 |
| 2018 |
346.0 |
25.614 |
| 2019 |
346.0 |
25.604 |
| 2020 |
346.0 |
25.593 |
| 2021 |
346.0 |
25.583 |
| 2022 |
346.0 |
25.572 |
| 2023 |
346.0 |
25.561 |
| 2024 |
346.1 |
25.551 |
| 2025 |
346.1 |
25.540 |
| 2026 |
346.1 |
25.530 |
| 2027 |
346.1 |
25.519 |
| 2028 |
346.1 |
25.509 |
| 2029 |
346.1 |
25.498 |
| 2030 |
346.1 |
25.488 |
|
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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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