11390+4109 STT 237 AB (HD 101207)
11h 38m 57.22s +41° 08' 34.8" P.A. 244.00 sep 1.9 mag 8.11,9.32 Sp F7V dist. 79.74 pc (260.11 l.y.)
Coord 2000 |
11390+4109 |
|
Discov num |
STT 237 |
|
Comp |
AB |
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Coord arcsec 2000 |
11 38 57.22 +41 08 34.8 |
|
Date first |
1843 |
|
Date last |
2019 |
|
Obs |
122 |
|
Pa first |
294 |
|
Pa last |
244.2 |
|
P.A. Now (θ) |
244.2° |
|
Sep first |
0.6 |
|
Sep last |
1.93 |
|
Sep. Now (ρ) |
1.93" |
|
Mag pri |
8.11 |
|
Mag sec |
9.32 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
F7V (yellow-white) |
|
Pri motion ra |
-082 |
|
Sec motion ra |
-081 |
|
Pri motion dec |
-035 |
|
Sec motion dec |
-038 |
|
Notes |
O
(Orbital solution) |
|
rPM=0.035 (< 0.3, Physical double)
This double is physical.
11390+4109 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 101207 |
43844 |
11 38 57 +41 08 35 |
STT 237 AB |
2019 |
122 |
244 |
1.9 |
8.11 |
9.32 |
1.21 |
Y |
<=== |
Show |
|
43844 |
11 38 57 +41 08 35 |
HJL 1065 AC |
2015 |
12 |
4 |
132.3 |
8.11 |
9.18 |
1.07 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 101207 |
|
Constellation |
Ursa Major |
|
SAO |
43844 |
|
HIP |
56827 |
|
Tycho2 |
3013-01246-1 |
|
Gaia DR2 |
767786255256769664 |
|
HD |
101207 |
|
ADS |
8252 |
|
BD |
BD+41 2219 |
|
Distance |
79.74 |
|
Distance ly |
260.11 |
|
ORBITAL ELEMENTS
Period (P) | 652.0836y | ± 724.5249 |
Periastron (T) | 1792.8651y | ± 28.2248 |
Semi-major axis (a) | 2.02878a | ± 1.42101 |
Eccentricity (e) | 0.87304 | ± 0.10656 |
Inclination (i) | 117.55° | ± 16.911 |
Longitude of periastron (ω) | 301.836° | ± 24.561 |
Node (Ω) | 16.911° | ± 36.261 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
245.6 |
1.973 |
2001 |
245.5 |
1.979 |
2002 |
245.3 |
1.985 |
2003 |
245.2 |
1.991 |
2004 |
245.1 |
1.997 |
2005 |
244.9 |
2.003 |
2006 |
244.8 |
2.009 |
2007 |
244.7 |
2.015 |
2008 |
244.6 |
2.021 |
2009 |
244.4 |
2.027 |
2010 |
244.3 |
2.033 |
2011 |
244.2 |
2.038 |
2012 |
244.1 |
2.044 |
2013 |
243.9 |
2.050 |
2014 |
243.8 |
2.055 |
2015 |
243.7 |
2.061 |
2016 |
243.6 |
2.067 |
2017 |
243.5 |
2.072 |
2018 |
243.3 |
2.078 |
2019 |
243.2 |
2.084 |
2020 |
243.1 |
2.089 |
2021 |
243.0 |
2.095 |
2022 |
242.9 |
2.100 |
2023 |
242.8 |
2.106 |
2024 |
242.6 |
2.111 |
2025 |
242.5 |
2.116 |
2026 |
242.4 |
2.122 |
2027 |
242.3 |
2.127 |
2028 |
242.2 |
2.132 |
2029 |
242.1 |
2.138 |
2030 |
242.0 |
2.143 |
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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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