09175+7715 KUI 39
09h 17m 30.49s +77° 14' 40.6" P.A. 91.00 sep 0.5 mag 10.92,11.04 Sp K5 dist. 25.71 pc (83.87 l.y.)
Coord 2000 |
09175+7715 |
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Discov num |
KUI 39 |
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Comp |
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Coord arcsec 2000 |
09 17 30.49 +77 14 40.6 |
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Date first |
1935 |
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Date last |
2012 |
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Obs |
37 |
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Pa first |
282 |
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Pa last |
91.2 |
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P.A. Now (θ) |
91.2° |
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Sep first |
0.5 |
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Sep last |
0.545 |
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Sep. Now (ρ) |
0.545" |
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Mag pri |
10.92 |
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Mag sec |
11.04 |
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delta mag (ΔM) |
0.12 |
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Spectral class |
K5 (yellow-orange) |
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Pri motion ra |
-106 |
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Sec motion ra |
-106 |
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Pri motion dec |
-002 |
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Sec motion dec |
-002 |
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Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Camelopardalis |
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HIP |
45593 |
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Tycho2 |
4541-00108-1 |
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GL |
Gl 338.1A |
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BD |
BD+77 361 |
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Distance |
25.71 |
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Distance ly |
83.87 |
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ORBITAL ELEMENTS
Period (P) | 73.17y | |
Periastron (T) | 2020.48y | |
Semi-major axis (a) | 0.592a | |
Eccentricity (e) | 0.463 | |
Inclination (i) | 137.8° | |
Longitude of periastron (ω) | 67.7° | |
Node (Ω) | 63.5° | |
Notes | n | |
Reference | Mnt1999a | |
Equinox | 2000 | |
Last observation | 1991 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
134.8 |
0.562 |
2001 |
131.1 |
0.556 |
2002 |
127.4 |
0.549 |
2003 |
123.6 |
0.542 |
2004 |
119.7 |
0.535 |
2005 |
115.7 |
0.528 |
2006 |
111.6 |
0.521 |
2007 |
107.3 |
0.513 |
2008 |
103.0 |
0.504 |
2009 |
98.4 |
0.495 |
2010 |
93.7 |
0.484 |
2011 |
88.8 |
0.472 |
2012 |
83.5 |
0.459 |
2013 |
78.0 |
0.443 |
2014 |
71.9 |
0.424 |
2015 |
65.3 |
0.402 |
2016 |
57.8 |
0.376 |
2017 |
49.2 |
0.348 |
2018 |
38.9 |
0.316 |
2019 |
26.3 |
0.285 |
2020 |
10.9 |
0.259 |
2021 |
352.7 |
0.242 |
2022 |
333.1 |
0.241 |
2023 |
314.7 |
0.257 |
2024 |
299.2 |
0.286 |
2025 |
286.8 |
0.322 |
2026 |
277.0 |
0.360 |
2027 |
269.1 |
0.399 |
2028 |
262.6 |
0.436 |
2029 |
257.1 |
0.471 |
2030 |
252.3 |
0.503 |
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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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