05278-2848 LSC 37 Aa,Ab
05h 27m 45.85s -28° 47' 58.7" P.A. 197.00 sep 0.2 mag 10.30,13.30 Sp Me dist. 36.9 pc (120.37 l.y.)
| Coord 2000 |
05278-2848 |
|
Discov num |
LSC 37 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
05 27 45.85 -28 47 58.7 |
|
| Date first |
2012 |
|
Date last |
2021 |
|
Obs |
10 |
|
| Pa first |
54 |
|
Pa last |
196.7 |
|
P.A. Now (θ) |
196.7° |
|
| Sep first |
0.4 |
|
Sep last |
0.23 |
|
Sep. Now (ρ) |
0.23" |
|
| Mag pri |
10.30 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
Me (red) |
|
| Pri motion ra |
-041 |
|
Sec motion ra |
|
|
| Pri motion dec |
-177 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
05278-2848 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
05 27 46 -28 47 59 |
LSC 37 Aa,Ab |
2021 |
10 |
197 |
0.2 |
10.30 |
13.30 |
3.00 |
Y |
<=== |
| Show |
|
|
05 27 46 -28 47 59 |
RSS 83 AB |
2019 |
5 |
165 |
4.7 |
9.80 |
11.00 |
1.20 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Columba |
|
HIP |
25559 |
|
Tycho2 |
6488-01063-1 |
|
Gaia DR2 |
2906725327816769792 |
|
| CD |
CD-28 2186 |
|
Distance |
36.9 |
|
Distance ly |
120.37 |
|
ORBITAL ELEMENTS
| Period (P) | 120y | |
Periastron (T) | 2016.6y | |
Semi-major axis (a) | 0.739a | |
| Eccentricity (e) | 0.612 | |
Inclination (i) | 60.8° | |
Longitude of periastron (ω) | 50° | |
| Node (Ω) | 59.8° | |
Notes | | |
Reference | Tok2021f | |
| Equinox | | |
Last observation | 2020 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
1.2 |
0.382 |
| 2001 |
5.5 |
0.381 |
| 2002 |
9.9 |
0.381 |
| 2003 |
14.2 |
0.381 |
| 2004 |
18.6 |
0.382 |
| 2005 |
22.9 |
0.383 |
| 2006 |
27.2 |
0.384 |
| 2007 |
31.4 |
0.385 |
| 2008 |
35.7 |
0.384 |
| 2009 |
40.0 |
0.381 |
| 2010 |
44.5 |
0.375 |
| 2011 |
49.1 |
0.366 |
| 2012 |
53.9 |
0.353 |
| 2013 |
59.3 |
0.334 |
| 2014 |
65.4 |
0.308 |
| 2015 |
72.8 |
0.275 |
| 2016 |
82.5 |
0.237 |
| 2017 |
96.0 |
0.198 |
| 2018 |
115.6 |
0.165 |
| 2019 |
141.5 |
0.152 |
| 2020 |
167.2 |
0.166 |
| 2021 |
186.3 |
0.202 |
| 2022 |
199.0 |
0.247 |
| 2023 |
207.6 |
0.296 |
| 2024 |
213.8 |
0.345 |
| 2025 |
218.5 |
0.393 |
| 2026 |
222.1 |
0.438 |
| 2027 |
225.1 |
0.481 |
| 2028 |
227.6 |
0.522 |
| 2029 |
229.8 |
0.559 |
| 2030 |
231.7 |
0.595 |
|
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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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