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 |
|
Discov num |
KUI 39 |
|
Comp |
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Coord arcsec 2000 |
09 17 30.49 +77 14 40.6 |
|
| Date first |
1935 |
|
Date last |
2012 |
|
Obs |
37 |
|
| Pa first |
282 |
|
Pa last |
91.2 |
|
P.A. Now (θ) |
91.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.545 |
|
Sep. Now (ρ) |
0.545" |
|
| Mag pri |
10.92 |
|
Mag sec |
11.04 |
|
delta mag (ΔM) |
0.12 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-106 |
|
Sec motion ra |
-106 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Camelopardalis |
|
HIP |
45593 |
|
Tycho2 |
4541-00108-1 |
|
GL |
Gl 338.1A |
|
| BD |
BD+77 361 |
|
Distance |
25.71 |
|
Distance ly |
83.87 |
|
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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