03520+0632 KUI 15 AB (31 Tau)
03h 52m 00.23s +06° 32' 05.6" P.A. 206.00 sep 0.8 mag 6.26,6.56 Sp B5V dist. 238.66 pc (778.51 l.y.)
| Coord 2000 |
03520+0632 |
|
Discov num |
KUI 15 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 52 00.23 +06 32 05.6 |
|
| Date first |
1937 |
|
Date last |
2019 |
|
Obs |
162 |
|
| Pa first |
214 |
|
Pa last |
206.2 |
|
P.A. Now (θ) |
206.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.8 |
|
Sep. Now (ρ) |
0.8" |
|
| Mag pri |
6.26 |
|
Mag sec |
6.56 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03520+0632 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
111469 |
03 52 00 +06 32 06 |
SCA 168 Aa,Ab |
2005 |
3 |
130 |
0.2 |
6.26 |
|
|
|
|
| Show |
31 Tau |
111469 |
03 52 00 +06 32 06 |
KUI 15 AB |
2019 |
162 |
206 |
0.8 |
6.26 |
6.56 |
0.30 |
Y |
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
31 Tau |
|
Constellation |
Taurus |
|
SAO |
111469 |
|
HIP |
18089 |
|
| Tycho2 |
0072-01226-1 |
|
Gaia DR2 |
3276975216951401216 |
|
HD |
24263 |
|
HR |
1199 |
|
| GC |
4662 |
|
BD |
BD+06 594 |
|
Flamsteed |
31 Tauri |
|
Flamsteed name |
31 Tau |
|
| FK5 |
2275 |
|
Distance |
238.66 |
|
Distance ly |
778.51 |
|
ORBITAL ELEMENTS
| Period (P) | 871y | |
Periastron (T) | 1909.3y | |
Semi-major axis (a) | 0.925a | |
| Eccentricity (e) | 0.66 | |
Inclination (i) | 96.1° | |
Longitude of periastron (ω) | 73.7° | |
| Node (Ω) | 28.6° | |
Notes | n | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
207.4 |
0.740 |
| 2001 |
207.3 |
0.743 |
| 2002 |
207.3 |
0.747 |
| 2003 |
207.2 |
0.751 |
| 2004 |
207.2 |
0.755 |
| 2005 |
207.1 |
0.758 |
| 2006 |
207.1 |
0.762 |
| 2007 |
207.0 |
0.765 |
| 2008 |
207.0 |
0.768 |
| 2009 |
206.9 |
0.772 |
| 2010 |
206.9 |
0.775 |
| 2011 |
206.8 |
0.778 |
| 2012 |
206.8 |
0.781 |
| 2013 |
206.7 |
0.784 |
| 2014 |
206.7 |
0.787 |
| 2015 |
206.6 |
0.790 |
| 2016 |
206.6 |
0.793 |
| 2017 |
206.5 |
0.796 |
| 2018 |
206.5 |
0.799 |
| 2019 |
206.5 |
0.801 |
| 2020 |
206.4 |
0.804 |
| 2021 |
206.4 |
0.807 |
| 2022 |
206.3 |
0.809 |
| 2023 |
206.3 |
0.812 |
| 2024 |
206.2 |
0.814 |
| 2025 |
206.2 |
0.817 |
| 2026 |
206.2 |
0.819 |
| 2027 |
206.1 |
0.821 |
| 2028 |
206.1 |
0.824 |
| 2029 |
206.0 |
0.826 |
| 2030 |
206.0 |
0.828 |
|
|
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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