03344+2428 STF 412 AB
03h 34m 26.62s +24° 27' 52.1" P.A. 350.00 sep 0.8 mag 6.60,6.86 Sp A3V+A3V dist. 131.58 pc (429.21 l.y.)
Coord 2000 |
03344+2428 |
|
Discov num |
STF 412 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 34 26.62 +24 27 52.1 |
|
Date first |
1828 |
|
Date last |
2022 |
|
Obs |
314 |
|
Pa first |
272 |
|
Pa last |
350 |
|
P.A. Now (θ) |
349.1° |
|
Sep first |
0.6 |
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Sep last |
0.79 |
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Sep. Now (ρ) |
0.778" |
|
Mag pri |
6.60 |
|
Mag sec |
6.86 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
A3V+A3V (white/white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-026 |
|
Sec motion dec |
-026 |
|
Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
03344+2428 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
75999 |
03 34 27 +24 27 52 |
STF 412 AB |
2022 |
314 |
350 |
0.8 |
6.60 |
6.86 |
0.26 |
Y |
<=== |
Show |
7 Tau |
75999 |
03 34 27 +24 27 52 |
STF 412 AB,C |
2014 |
86 |
53 |
22.4 |
5.94 |
9.92 |
3.98 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV1192 Tau |
|
Constellation |
Taurus |
|
SAO |
75999 |
|
HIP |
16664 |
|
Tycho2 |
1802-01524-1 |
|
Gaia DR2 |
68486384567412992 |
|
HD |
22091 |
|
HR |
1086 |
|
GC |
4257 |
|
ADS |
2616 |
|
BD |
BD+23 473 |
|
Flamsteed |
7 Tauri |
|
Flamsteed name |
7 Tau |
|
Distance |
131.58 |
|
Distance ly |
429.21 |
|
ORBITAL ELEMENTS
Period (P) | 522.16y | |
Periastron (T) | 1911.62y | |
Semi-major axis (a) | 0.625a | |
Eccentricity (e) | 0.679 | |
Inclination (i) | 157.2° | |
Longitude of periastron (ω) | 238.1° | |
Node (Ω) | 13° | |
Notes | n | |
Reference | Sca2002a | |
Equinox | 2000 | |
Last observation | 2000 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
356.9 |
0.689 |
2001 |
356.5 |
0.693 |
2002 |
356.2 |
0.698 |
2003 |
355.8 |
0.702 |
2004 |
355.4 |
0.706 |
2005 |
355.1 |
0.710 |
2006 |
354.7 |
0.714 |
2007 |
354.3 |
0.718 |
2008 |
354.0 |
0.722 |
2009 |
353.6 |
0.726 |
2010 |
353.3 |
0.730 |
2011 |
353.0 |
0.734 |
2012 |
352.6 |
0.738 |
2013 |
352.3 |
0.742 |
2014 |
352.0 |
0.745 |
2015 |
351.6 |
0.749 |
2016 |
351.3 |
0.753 |
2017 |
351.0 |
0.756 |
2018 |
350.7 |
0.760 |
2019 |
350.4 |
0.764 |
2020 |
350.1 |
0.767 |
2021 |
349.7 |
0.771 |
2022 |
349.4 |
0.774 |
2023 |
349.1 |
0.778 |
2024 |
348.8 |
0.781 |
2025 |
348.5 |
0.784 |
2026 |
348.2 |
0.788 |
2027 |
348.0 |
0.791 |
2028 |
347.7 |
0.794 |
2029 |
347.4 |
0.797 |
2030 |
347.1 |
0.801 |
|
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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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