07171-1202 A 2123 AB (HD 56593)
07h 17m 06.96s -12° 02' 01.6" P.A. 3.00 sep 0.4 mag 8.61,6.96 Sp F5V dist. 46.3 pc (151.03 l.y.)
| Coord 2000 |
07171-1202 |
|
Discov num |
A 2123 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 17 06.96 -12 02 01.6 |
|
| Date first |
1910 |
|
Date last |
2019 |
|
Obs |
47 |
|
| Pa first |
336 |
|
Pa last |
2.7 |
|
P.A. Now (θ) |
6° |
|
| Sep first |
0.3 |
|
Sep last |
0.365 |
|
Sep. Now (ρ) |
0.349" |
|
| Mag pri |
8.61 |
|
Mag sec |
6.96 |
|
delta mag (ΔM) |
1.65 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+032 |
|
Sec motion ra |
+032 |
|
| Pri motion dec |
-055 |
|
Sec motion dec |
-055 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
07171-1202 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 56593 |
152660 |
07 17 07 -12 02 02 |
A 2123 AB |
2019 |
47 |
3 |
0.4 |
8.61 |
6.96 |
1.65 |
Y |
<=== |
| Show |
|
152660 |
07 17 07 -12 02 02 |
STF 1064 AB,C |
2019 |
20 |
242 |
16.0 |
8.61 |
9.53 |
0.92 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 56593 |
|
Constellation |
Canis Major |
|
SAO |
152660 |
|
HIP |
35261 |
|
| Tycho2 |
5403-03593-1 |
|
HD |
56593 |
|
GC |
9683 |
|
ADS |
5956 |
|
| BD |
BD-11 1874 |
|
Distance |
46.3 |
|
Distance ly |
151.03 |
|
ORBITAL ELEMENTS
| Period (P) | 80.94y | ± 1.24 |
Periastron (T) | 1979.51y | ± 0.12 |
Semi-major axis (a) | 0.462a | ± 0.018 |
| Eccentricity (e) | 0.89 | ± 0.008 |
Inclination (i) | 71.4° | ± 0.8 |
Longitude of periastron (ω) | 73.4° | ± 1.1 |
| Node (Ω) | 135.8° | ± 0.8 |
Notes | n | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
345.3 |
0.410 |
| 2001 |
346.1 |
0.412 |
| 2002 |
346.9 |
0.412 |
| 2003 |
347.8 |
0.413 |
| 2004 |
348.6 |
0.413 |
| 2005 |
349.4 |
0.412 |
| 2006 |
350.2 |
0.411 |
| 2007 |
351.0 |
0.410 |
| 2008 |
351.8 |
0.408 |
| 2009 |
352.7 |
0.406 |
| 2010 |
353.5 |
0.404 |
| 2011 |
354.4 |
0.401 |
| 2012 |
355.2 |
0.398 |
| 2013 |
356.1 |
0.395 |
| 2014 |
357.0 |
0.392 |
| 2015 |
357.9 |
0.388 |
| 2016 |
358.8 |
0.384 |
| 2017 |
359.8 |
0.380 |
| 2018 |
0.7 |
0.375 |
| 2019 |
1.7 |
0.370 |
| 2020 |
2.8 |
0.365 |
| 2021 |
3.8 |
0.360 |
| 2022 |
4.9 |
0.355 |
| 2023 |
6.0 |
0.349 |
| 2024 |
7.2 |
0.343 |
| 2025 |
8.3 |
0.337 |
| 2026 |
9.6 |
0.331 |
| 2027 |
10.9 |
0.325 |
| 2028 |
12.2 |
0.319 |
| 2029 |
13.6 |
0.312 |
| 2030 |
15.0 |
0.306 |
|
|
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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