05584-0439 A 322 AB
05h 58m 21.54s -04° 39' 02.4" P.A. 35.00 sep 2.2 mag 6.99,13.60 Sp F7V dist. 23.55 pc (76.82 l.y.)
| Coord 2000 |
05584-0439 |
|
Discov num |
A 322 |
|
Comp |
AB |
|
Coord arcsec 2000 |
05 58 21.54 -04 39 02.4 |
|
| Date first |
1902 |
|
Date last |
2017 |
|
Obs |
16 |
|
| Pa first |
357 |
|
Pa last |
34.7 |
|
P.A. Now (θ) |
34.7° |
|
| Sep first |
4.2 |
|
Sep last |
2.17 |
|
Sep. Now (ρ) |
2.17" |
|
| Mag pri |
6.99 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
6.61 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
+075 |
|
Sec motion ra |
+079 |
|
| Pri motion dec |
-201 |
|
Sec motion dec |
-237 |
|
| Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
rPM=0.145 (< 0.3, Physical double)
This double is physical.
05584-0439 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
132703 |
05 58 22 -04 39 02 |
A 322 AB |
2017 |
16 |
35 |
2.2 |
6.99 |
13.60 |
6.61 |
Y |
<=== |
| Show |
HD 40397 |
132703 |
05 58 22 -04 39 02 |
A 322 AC |
2015 |
18 |
304 |
197.6 |
6.99 |
9.41 |
2.42 |
|
|
| Show |
|
132703 |
05 58 22 -04 39 02 |
LDS 3684 AD |
2015 |
5 |
313 |
89.1 |
7.07 |
16.49 |
9.42 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Monoceros |
|
SAO |
132703 |
|
HIP |
28267 |
|
Tycho2 |
4777-01763-1 |
|
| Gaia DR2 |
3022685626580347392 |
|
HD |
40397 |
|
ADS |
4557 |
|
BD |
BD-04 1310 |
|
| Distance |
23.55 |
|
Distance ly |
76.82 |
|
ORBITAL ELEMENTS
| Period (P) | 547.7y | |
Periastron (T) | 2081y | |
Semi-major axis (a) | 3.151a | |
| Eccentricity (e) | 0.478 | |
Inclination (i) | 52.5° | |
Longitude of periastron (ω) | 320.1° | |
| Node (Ω) | 185.3° | |
Notes | n | |
Reference | USN2021c | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
25.0 |
2.650 |
| 2001 |
25.5 |
2.623 |
| 2002 |
26.0 |
2.595 |
| 2003 |
26.6 |
2.567 |
| 2004 |
27.1 |
2.539 |
| 2005 |
27.6 |
2.511 |
| 2006 |
28.2 |
2.482 |
| 2007 |
28.8 |
2.453 |
| 2008 |
29.4 |
2.424 |
| 2009 |
30.0 |
2.394 |
| 2010 |
30.6 |
2.365 |
| 2011 |
31.2 |
2.335 |
| 2012 |
31.9 |
2.305 |
| 2013 |
32.5 |
2.275 |
| 2014 |
33.2 |
2.245 |
| 2015 |
33.9 |
2.214 |
| 2016 |
34.6 |
2.183 |
| 2017 |
35.4 |
2.152 |
| 2018 |
36.1 |
2.121 |
| 2019 |
36.9 |
2.090 |
| 2020 |
37.7 |
2.059 |
| 2021 |
38.6 |
2.027 |
| 2022 |
39.4 |
1.996 |
| 2023 |
40.3 |
1.964 |
| 2024 |
41.2 |
1.933 |
| 2025 |
42.2 |
1.901 |
| 2026 |
43.2 |
1.869 |
| 2027 |
44.2 |
1.838 |
| 2028 |
45.2 |
1.806 |
| 2029 |
46.3 |
1.774 |
| 2030 |
47.5 |
1.743 |
| 2031 |
48.6 |
1.711 |
| 2032 |
49.8 |
1.680 |
| 2033 |
51.1 |
1.649 |
| 2034 |
52.4 |
1.618 |
| 2035 |
53.8 |
1.588 |
| 2036 |
55.2 |
1.558 |
| 2037 |
56.7 |
1.528 |
| 2038 |
58.2 |
1.498 |
| 2039 |
59.8 |
1.470 |
| 2040 |
61.4 |
1.441 |
| 2041 |
63.1 |
1.414 |
| 2042 |
64.9 |
1.386 |
| 2043 |
66.8 |
1.360 |
| 2044 |
68.7 |
1.335 |
| 2045 |
70.7 |
1.310 |
| 2046 |
72.7 |
1.287 |
| 2047 |
74.9 |
1.264 |
| 2048 |
77.1 |
1.243 |
| 2049 |
79.4 |
1.223 |
| 2050 |
81.8 |
1.205 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
