09210+3811 STF 1338 AB (HD 80441)
09h 20m 59.40s +38° 11' 17.9" P.A. 319.00 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 |
2023 |
|
Obs |
455 |
|
| Pa first |
121 |
|
Pa last |
318.8 |
|
P.A. Now (θ) |
330.8° |
|
| Sep first |
1.8 |
|
Sep last |
1.23 |
|
Sep. Now (ρ) |
0.988" |
|
| 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 |
2023 |
455 |
319 |
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) | 381.5y | ± 23.8 |
Periastron (T) | 2001.4y | ± 8.1 |
Semi-major axis (a) | 1.48a | ± 0.015 |
| Eccentricity (e) | 0.202 | ± 0.019 |
Inclination (i) | 29.8° | ± 1.4 |
Longitude of periastron (ω) | 120.4° | ± 17.3 |
| Node (Ω) | 164.4° | ± 6.2 |
Notes | n | |
Reference | Sca2023a | |
| Equinox | 2000 | |
Last observation | 2023 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
286.3 |
1.062 |
| 2001 |
287.8 |
1.066 |
| 2002 |
289.4 |
1.069 |
| 2003 |
290.9 |
1.073 |
| 2004 |
292.4 |
1.077 |
| 2005 |
293.9 |
1.081 |
| 2006 |
295.4 |
1.085 |
| 2007 |
296.9 |
1.090 |
| 2008 |
298.4 |
1.095 |
| 2009 |
299.9 |
1.099 |
| 2010 |
301.3 |
1.104 |
| 2011 |
302.7 |
1.109 |
| 2012 |
304.2 |
1.114 |
| 2013 |
305.6 |
1.120 |
| 2014 |
307.0 |
1.125 |
| 2015 |
308.3 |
1.130 |
| 2016 |
309.7 |
1.136 |
| 2017 |
311.1 |
1.141 |
| 2018 |
312.4 |
1.147 |
| 2019 |
313.7 |
1.152 |
| 2020 |
315.1 |
1.158 |
| 2021 |
316.4 |
1.163 |
| 2022 |
317.7 |
1.169 |
| 2023 |
318.9 |
1.175 |
| 2024 |
320.2 |
1.180 |
| 2025 |
321.5 |
1.186 |
| 2026 |
322.7 |
1.192 |
| 2027 |
323.9 |
1.197 |
| 2028 |
325.2 |
1.203 |
| 2029 |
326.4 |
1.208 |
| 2030 |
327.6 |
1.214 |
| 2031 |
328.7 |
1.219 |
| 2032 |
329.9 |
1.224 |
| 2033 |
331.1 |
1.230 |
| 2034 |
332.2 |
1.235 |
| 2035 |
333.4 |
1.240 |
| 2036 |
334.5 |
1.245 |
| 2037 |
335.7 |
1.250 |
| 2038 |
336.8 |
1.255 |
| 2039 |
337.9 |
1.260 |
| 2040 |
339.0 |
1.265 |
| 2041 |
340.1 |
1.270 |
| 2042 |
341.2 |
1.274 |
| 2043 |
342.2 |
1.279 |
| 2044 |
343.3 |
1.283 |
| 2045 |
344.4 |
1.288 |
| 2046 |
345.4 |
1.292 |
| 2047 |
346.5 |
1.296 |
| 2048 |
347.5 |
1.300 |
| 2049 |
348.6 |
1.304 |
| 2050 |
349.6 |
1.308 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
