02124+3018 STF 227 (Iot Tri)
02h 12m 22.28s +30° 18' 11.1" P.A. 67.00 sep 4.0 mag 5.26,6.67 Sp G5III+F6V dist. 89.13 pc (290.74 l.y.)
Coord 2000 |
02124+3018 |
|
Discov num |
STF 227 |
|
Comp |
|
|
Coord arcsec 2000 |
02 12 22.28 +30 18 11.1 |
|
Date first |
1821 |
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Date last |
2022 |
|
Obs |
264 |
|
Pa first |
78 |
|
Pa last |
67.2 |
|
P.A. Now (θ) |
67.2° |
|
Sep first |
3.9 |
|
Sep last |
4.01 |
|
Sep. Now (ρ) |
4.01" |
|
Mag pri |
5.26 |
|
Mag sec |
6.67 |
|
delta mag (ΔM) |
1.41 |
|
Spectral class |
G5III+F6V (yellow/yellow-white) |
|
Pri motion ra |
-065 |
|
Sec motion ra |
-061 |
|
Pri motion dec |
-059 |
|
Sec motion dec |
-047 |
|
Notes |
N
O
(See Notes, Orbital solution) |
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rPM=0.144 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Iot Tri |
|
Var name |
TZ Tri |
|
Constellation |
Triangulum |
|
SAO |
55347 |
|
HIP |
10280 |
|
Tycho2 |
2309-01821-1 |
|
Gaia DR2 |
300312157810876544 |
|
HD |
13480 |
|
HR |
642 |
|
GC |
2633 |
|
ADS |
1697 |
|
BD |
BD+29 371 |
|
Bayer |
Iota Trianguli |
|
Bayer name |
Iot Tri |
|
Flamsteed |
6 Trianguli |
|
Flamsteed name |
6 Tri |
|
Distance |
89.13 |
|
Distance ly |
290.74 |
|
Bayer greek |
ι Tri |
|
ORBITAL ELEMENTS SOLUTION #1
Period (P) | 5172.5y | |
Periastron (T) | 4960.3y | |
Semi-major axis (a) | 7.037a | |
Eccentricity (e) | 0.63 | |
Inclination (i) | 110.3° | |
Longitude of periastron (ω) | 277.5° | |
Node (Ω) | 158.8° | |
Notes | n | |
Reference | FMR2020c | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
69.3 |
3.920 |
2001 |
69.3 |
3.920 |
2002 |
69.2 |
3.920 |
2003 |
69.2 |
3.921 |
2004 |
69.1 |
3.921 |
2005 |
69.0 |
3.921 |
2006 |
69.0 |
3.921 |
2007 |
68.9 |
3.922 |
2008 |
68.9 |
3.922 |
2009 |
68.8 |
3.922 |
2010 |
68.7 |
3.923 |
2011 |
68.7 |
3.923 |
2012 |
68.6 |
3.923 |
2013 |
68.6 |
3.924 |
2014 |
68.5 |
3.924 |
2015 |
68.4 |
3.924 |
2016 |
68.4 |
3.925 |
2017 |
68.3 |
3.925 |
2018 |
68.3 |
3.925 |
2019 |
68.2 |
3.926 |
2020 |
68.1 |
3.926 |
2021 |
68.1 |
3.926 |
2022 |
68.0 |
3.927 |
2023 |
68.0 |
3.927 |
2024 |
67.9 |
3.927 |
2025 |
67.8 |
3.928 |
2026 |
67.8 |
3.928 |
2027 |
67.7 |
3.928 |
2028 |
67.6 |
3.929 |
2029 |
67.6 |
3.929 |
2030 |
67.5 |
3.930 |
|
|
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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ORBITAL ELEMENTS SOLUTION #2
Period (P) | 2647y | |
Periastron (T) | 3164.1y | |
Semi-major axis (a) | 4.502a | |
Eccentricity (e) | 0.74 | |
Inclination (i) | 119.9° | |
Longitude of periastron (ω) | 270.3° | |
Node (Ω) | 169.6° | |
Notes | n | |
Reference | FMR2020c | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
69.4 |
3.912 |
2001 |
69.3 |
3.912 |
2002 |
69.2 |
3.912 |
2003 |
69.2 |
3.912 |
2004 |
69.1 |
3.913 |
2005 |
69.1 |
3.913 |
2006 |
69.0 |
3.913 |
2007 |
68.9 |
3.913 |
2008 |
68.9 |
3.913 |
2009 |
68.8 |
3.913 |
2010 |
68.8 |
3.913 |
2011 |
68.7 |
3.913 |
2012 |
68.6 |
3.913 |
2013 |
68.6 |
3.913 |
2014 |
68.5 |
3.913 |
2015 |
68.4 |
3.913 |
2016 |
68.4 |
3.913 |
2017 |
68.3 |
3.913 |
2018 |
68.3 |
3.913 |
2019 |
68.2 |
3.913 |
2020 |
68.1 |
3.913 |
2021 |
68.1 |
3.913 |
2022 |
68.0 |
3.914 |
2023 |
68.0 |
3.914 |
2024 |
67.9 |
3.914 |
2025 |
67.8 |
3.914 |
2026 |
67.8 |
3.914 |
2027 |
67.7 |
3.914 |
2028 |
67.7 |
3.914 |
2029 |
67.6 |
3.914 |
2030 |
67.5 |
3.914 |
|
|
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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