06003-3102 HU 1399 AB
06h 00m 19.69s -31° 01' 54.0" P.A. 67.00 sep 0.3 mag 8.94,10.19 Sp K3/4V dist. 16.39 pc (53.46 l.y.)
| Coord 2000 |
06003-3102 |
|
Discov num |
HU 1399 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 00 19.69 -31 01 54.0 |
|
| Date first |
1911 |
|
Date last |
2023 |
|
Obs |
77 |
|
| Pa first |
340 |
|
Pa last |
66.6 |
|
P.A. Now (θ) |
50.5° (calc) |
|
| Sep first |
0.8 |
|
Sep last |
0.314 |
|
Sep. Now (ρ) |
0.281" (calc) |
|
| Mag pri |
8.94 |
|
Mag sec |
10.19 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
K3/4V (yellow-orange) |
|
| Pri motion ra |
-465 |
|
Sec motion ra |
|
|
| Pri motion dec |
+405 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06003-3102 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
06 00 20 -31 01 54 |
HU 1399 AB |
2023 |
77 |
67 |
0.3 |
8.94 |
10.19 |
1.25 |
Y |
<=== |
| Show |
HD 40887 |
|
06 00 20 -31 01 54 |
HJ 3823 AC |
2016 |
75 |
2 |
2.9 |
8.94 |
8.67 |
0.27 |
Y |
|
| Show |
|
|
06 00 20 -31 01 54 |
B 2595 AD |
2015 |
20 |
145 |
39.7 |
8.94 |
12.80 |
3.86 |
|
|
| Show |
|
|
06 00 20 -31 01 54 |
TOK 9 CE |
2023 |
26 |
156 |
0.3 |
8.67 |
13.13 |
4.46 |
Y |
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Columba |
|
HIP |
28442 |
|
Tycho2 |
7071-02045-1 |
|
HD |
40887 |
|
| CD |
CD-31 2902 |
|
CP |
CP-31 976 |
|
Distance |
16.39 |
|
Distance ly |
53.46 |
|
ORBITAL ELEMENTS
| Period (P) | 67.45y | ± 0.14 |
Periastron (T) | 1997.85y | ± 0.17 |
Semi-major axis (a) | 0.946a | ± 0.01 |
| Eccentricity (e) | 0.516 | ± 0.013 |
Inclination (i) | 101.2° | ± 0.4 |
Longitude of periastron (ω) | 278.5° | ± 0.5 |
| Node (Ω) | 126.7° | ± 0.5 |
Notes | n | |
Reference | Tok2014a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
136.6 |
0.376 |
| 2001 |
132.2 |
0.482 |
| 2002 |
129.3 |
0.568 |
| 2003 |
127.1 |
0.633 |
| 2004 |
125.3 |
0.681 |
| 2005 |
123.7 |
0.714 |
| 2006 |
122.1 |
0.735 |
| 2007 |
120.7 |
0.745 |
| 2008 |
119.3 |
0.746 |
| 2009 |
117.8 |
0.740 |
| 2010 |
116.4 |
0.728 |
| 2011 |
114.8 |
0.711 |
| 2012 |
113.2 |
0.690 |
| 2013 |
111.5 |
0.665 |
| 2014 |
109.6 |
0.636 |
| 2015 |
107.5 |
0.606 |
| 2016 |
105.3 |
0.574 |
| 2017 |
102.7 |
0.540 |
| 2018 |
99.8 |
0.505 |
| 2019 |
96.4 |
0.470 |
| 2020 |
92.5 |
0.435 |
| 2021 |
88.0 |
0.401 |
| 2022 |
82.6 |
0.369 |
| 2023 |
76.3 |
0.340 |
| 2024 |
68.8 |
0.314 |
| 2025 |
60.2 |
0.294 |
| 2026 |
50.5 |
0.281 |
| 2027 |
40.2 |
0.275 |
| 2028 |
29.8 |
0.278 |
| 2029 |
19.9 |
0.289 |
| 2030 |
10.9 |
0.308 |
| 2031 |
3.1 |
0.332 |
| 2032 |
356.4 |
0.360 |
| 2033 |
350.8 |
0.392 |
| 2034 |
346.0 |
0.426 |
| 2035 |
342.0 |
0.462 |
| 2036 |
338.5 |
0.498 |
| 2037 |
335.5 |
0.534 |
| 2038 |
332.9 |
0.571 |
| 2039 |
330.6 |
0.607 |
| 2040 |
328.6 |
0.642 |
| 2041 |
326.8 |
0.676 |
| 2042 |
325.1 |
0.708 |
| 2043 |
323.6 |
0.739 |
| 2044 |
322.2 |
0.768 |
| 2045 |
320.9 |
0.795 |
| 2046 |
319.7 |
0.819 |
| 2047 |
318.5 |
0.841 |
| 2048 |
317.4 |
0.859 |
| 2049 |
316.4 |
0.874 |
| 2050 |
315.3 |
0.884 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
