03470+4126 STF 443 AB (V580 Per)
03h 47m 02.11s +41° 25' 38.1" P.A. 57.00 sep 6.8 mag 8.20,8.82 Sp K2V+K3V dist. 21.91 pc (71.47 l.y.)
| Coord 2000 |
03470+4126 |
|
Discov num |
STF 443 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 47 02.11 +41 25 38.1 |
|
| Date first |
1822 |
|
Date last |
2022 |
|
Obs |
156 |
|
| Pa first |
40 |
|
Pa last |
56.6 |
|
P.A. Now (θ) |
56.6° |
|
| Sep first |
8.2 |
|
Sep last |
6.81 |
|
Sep. Now (ρ) |
6.81" |
|
| Mag pri |
8.20 |
|
Mag sec |
8.82 |
|
delta mag (ΔM) |
0.62 |
|
Spectral class |
K2V+K3V (yellow-orange/yellow-orange) |
|
| Pri motion ra |
+060 |
|
Sec motion ra |
+059 |
|
| Pri motion dec |
-124 |
|
Sec motion dec |
-126 |
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
rPM=0.016 (< 0.3, Physical double)
This double is physical.
03470+4126 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V580 Per |
39100 |
03 47 02 +41 25 38 |
STF 443 AB |
2022 |
156 |
57 |
6.8 |
8.20 |
8.82 |
0.62 |
Y |
<=== |
| Show |
|
39100 |
03 47 02 +41 25 38 |
STF 443 AC |
2002 |
10 |
331 |
106.2 |
8.20 |
11.42 |
3.22 |
|
|
| Show |
|
|
03 46 58 +41 27 07 |
WSI 68 Ca,Cb |
2005 |
1 |
173 |
0.6 |
11.60 |
12.10 |
0.50 |
|
|
| Show |
|
|
03 46 58 +41 27 07 |
FOX 135 CD |
2015 |
3 |
138 |
4.2 |
11.10 |
13.80 |
2.70 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V580 Per |
|
Constellation |
Perseus |
|
SAO |
39100 |
|
HIP |
17666 |
|
| Tycho2 |
2871-00392-2 |
|
HD |
23439 |
|
GC |
4519 |
|
GL |
GJ 1064A |
|
| BD |
BD+41 750 |
|
Distance |
21.91 |
|
Distance ly |
71.47 |
|
ORBITAL ELEMENTS
| Period (P) | 2275.5193y | ± 904.6181 |
Periastron (T) | 1636.1743y | ± 65.3539 |
Semi-major axis (a) | 22.78507a | ± 10.31296 |
| Eccentricity (e) | 0.82609 | ± 0.13286 |
Inclination (i) | 85.419° | ± 2.65 |
Longitude of periastron (ω) | 282.781° | ± 13.368 |
| Node (Ω) | 37.681° | ± 2.12 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
54.8 |
7.143 |
| 2001 |
54.9 |
7.126 |
| 2002 |
55.0 |
7.110 |
| 2003 |
55.0 |
7.094 |
| 2004 |
55.1 |
7.078 |
| 2005 |
55.2 |
7.061 |
| 2006 |
55.2 |
7.045 |
| 2007 |
55.3 |
7.029 |
| 2008 |
55.4 |
7.012 |
| 2009 |
55.5 |
6.996 |
| 2010 |
55.5 |
6.980 |
| 2011 |
55.6 |
6.963 |
| 2012 |
55.7 |
6.947 |
| 2013 |
55.8 |
6.930 |
| 2014 |
55.9 |
6.914 |
| 2015 |
55.9 |
6.898 |
| 2016 |
56.0 |
6.881 |
| 2017 |
56.1 |
6.865 |
| 2018 |
56.2 |
6.848 |
| 2019 |
56.2 |
6.832 |
| 2020 |
56.3 |
6.815 |
| 2021 |
56.4 |
6.799 |
| 2022 |
56.5 |
6.782 |
| 2023 |
56.6 |
6.765 |
| 2024 |
56.6 |
6.749 |
| 2025 |
56.7 |
6.732 |
| 2026 |
56.8 |
6.716 |
| 2027 |
56.9 |
6.699 |
| 2028 |
57.0 |
6.682 |
| 2029 |
57.1 |
6.666 |
| 2030 |
57.1 |
6.649 |
|
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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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