06145+1754 KUI 24 (HD 42954)
06h 14m 28.59s +17° 54' 22.8" P.A. 144.00 sep 0.3 mag 6.29,7.16 Sp A6m dist. 162.07 pc (528.67 l.y.)
Coord 2000 |
06145+1754 |
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Discov num |
KUI 24 |
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Comp |
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Coord arcsec 2000 |
06 14 28.59 +17 54 22.8 |
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Date first |
1934 |
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Date last |
2014 |
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Obs |
85 |
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Pa first |
137 |
|
Pa last |
143.7 |
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P.A. Now (θ) |
143.7° |
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Sep first |
0.3 |
|
Sep last |
0.306 |
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Sep. Now (ρ) |
0.306" |
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Mag pri |
6.29 |
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Mag sec |
7.16 |
|
delta mag (ΔM) |
0.87 |
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Spectral class |
A6m (white) |
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Pri motion ra |
-004 |
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Sec motion ra |
-004 |
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Pri motion dec |
-012 |
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Sec motion dec |
-012 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 42954 |
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Constellation |
Orion |
|
SAO |
95419 |
|
HIP |
29616 |
|
Tycho2 |
1318-01195-1 |
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HD |
42954 |
|
HR |
2214 |
|
GC |
7956 |
|
BD |
BD+17 1182 |
|
Distance |
162.07 |
|
Distance ly |
528.67 |
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ORBITAL ELEMENTS
Period (P) | 260y | |
Periastron (T) | 1975.8y | |
Semi-major axis (a) | 0.507a | |
Eccentricity (e) | 0 | |
Inclination (i) | 87.3° | |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 140.1° | |
Notes | n | |
Reference | Zir2013a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
141.9 |
0.423 |
2001 |
142.0 |
0.416 |
2002 |
142.1 |
0.409 |
2003 |
142.2 |
0.402 |
2004 |
142.3 |
0.394 |
2005 |
142.4 |
0.386 |
2006 |
142.5 |
0.378 |
2007 |
142.6 |
0.370 |
2008 |
142.8 |
0.361 |
2009 |
142.9 |
0.353 |
2010 |
143.0 |
0.344 |
2011 |
143.2 |
0.335 |
2012 |
143.3 |
0.326 |
2013 |
143.5 |
0.316 |
2014 |
143.7 |
0.306 |
2015 |
143.8 |
0.297 |
2016 |
144.0 |
0.287 |
2017 |
144.3 |
0.277 |
2018 |
144.5 |
0.266 |
2019 |
144.7 |
0.256 |
2020 |
145.0 |
0.245 |
2021 |
145.3 |
0.234 |
2022 |
145.6 |
0.224 |
2023 |
146.0 |
0.213 |
2024 |
146.4 |
0.201 |
2025 |
146.8 |
0.190 |
2026 |
147.3 |
0.179 |
2027 |
147.8 |
0.167 |
2028 |
148.5 |
0.156 |
2029 |
149.2 |
0.144 |
2030 |
150.1 |
0.133 |
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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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