09210+3811 STF 1338 AB (HD 80441)
09h 20m 59.40s +38° 11' 17.9" P.A. 318.00 sep 1.2 mag 6.72,7.08 Sp F2V+F4V dist. 42.66 pc (139.16 l.y.)
| Coord 2000 |
09210+3811 |
|
Discov num |
STF1338 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 20 59.40 +38 11 17.9 |
|
| Date first |
1829 |
|
Date last |
2022 |
|
Obs |
449 |
|
| Pa first |
121 |
|
Pa last |
318.1 |
|
P.A. Now (θ) |
327.2° |
|
| Sep first |
1.8 |
|
Sep last |
1.17 |
|
Sep. Now (ρ) |
0.992" |
|
| Mag pri |
6.72 |
|
Mag sec |
7.08 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
F2V+F4V (yellow-white/yellow-white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-023 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
09210+3811 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 80441 |
61411 |
09 20 59 +38 11 18 |
STF 1338 AB |
2022 |
449 |
318 |
1.2 |
6.72 |
7.08 |
0.36 |
Y |
<=== |
| Show |
|
61411 |
09 20 59 +38 11 18 |
STF 1338 AB,C |
2017 |
18 |
166 |
143.2 |
6.12 |
12.59 |
6.47 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 80441 |
|
Constellation |
Lynx |
|
SAO |
61411 |
|
HIP |
45858 |
|
| Tycho2 |
2991-00699-1 |
|
Gaia DR2 |
811174736439695232 |
|
HD |
80441 |
|
HR |
3701 |
|
| GC |
12875 |
|
ADS |
7307 |
|
BD |
BD+38 2025 |
|
Distance |
42.66 |
|
| Distance ly |
139.16 |
|
ORBITAL ELEMENTS
| Period (P) | 303.27y | |
Periastron (T) | 2023.25y | |
Semi-major axis (a) | 1.336a | |
| Eccentricity (e) | 0.254 | |
Inclination (i) | 29.9° | |
Longitude of periastron (ω) | 191.9° | |
| Node (Ω) | 137.3° | |
Notes | n | |
Reference | Sca2002b | |
| Equinox | | |
Last observation | 1999 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
287.0 |
1.020 |
| 2001 |
288.7 |
1.019 |
| 2002 |
290.4 |
1.018 |
| 2003 |
292.1 |
1.017 |
| 2004 |
293.8 |
1.016 |
| 2005 |
295.5 |
1.015 |
| 2006 |
297.3 |
1.014 |
| 2007 |
299.0 |
1.013 |
| 2008 |
300.7 |
1.013 |
| 2009 |
302.5 |
1.012 |
| 2010 |
304.2 |
1.010 |
| 2011 |
305.9 |
1.009 |
| 2012 |
307.7 |
1.008 |
| 2013 |
309.4 |
1.007 |
| 2014 |
311.2 |
1.006 |
| 2015 |
312.9 |
1.005 |
| 2016 |
314.7 |
1.003 |
| 2017 |
316.5 |
1.002 |
| 2018 |
318.2 |
1.000 |
| 2019 |
320.0 |
0.999 |
| 2020 |
321.8 |
0.997 |
| 2021 |
323.6 |
0.995 |
| 2022 |
325.4 |
0.994 |
| 2023 |
327.2 |
0.992 |
| 2024 |
329.0 |
0.990 |
| 2025 |
330.8 |
0.988 |
| 2026 |
332.6 |
0.986 |
| 2027 |
334.5 |
0.984 |
| 2028 |
336.3 |
0.983 |
| 2029 |
338.2 |
0.981 |
| 2030 |
340.0 |
0.979 |
|
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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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