14179+6914 A 1102 (HD 125725)
14h 17m 52.83s +69° 14' 03.5" P.A. 78.00 sep 0.4 mag 9.33,8.65 Sp F2 dist. 182.48 pc (595.25 l.y.)
| Coord 2000 |
14179+6914 |
|
Discov num |
A 1102 |
|
Comp |
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Coord arcsec 2000 |
14 17 52.83 +69 14 03.5 |
|
| Date first |
1905 |
|
Date last |
2014 |
|
Obs |
47 |
|
| Pa first |
293 |
|
Pa last |
78.2 |
|
P.A. Now (θ) |
78.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.448 |
|
Sep. Now (ρ) |
0.448" |
|
| Mag pri |
9.33 |
|
Mag sec |
8.65 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+013 |
|
Sec motion dec |
+013 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 125725 |
|
Constellation |
Ursa Minor |
|
SAO |
16331 |
|
HIP |
69870 |
|
| Tycho2 |
4403-00947-1 |
|
HD |
125725 |
|
GC |
19324 |
|
ADS |
9220 |
|
| BD |
BD+69 743 |
|
Distance |
182.48 |
|
Distance ly |
595.25 |
|
ORBITAL ELEMENTS
| Period (P) | 243.71y | |
Periastron (T) | 1926.31y | |
Semi-major axis (a) | 0.367a | |
| Eccentricity (e) | 0.355 | |
Inclination (i) | 135.4° | |
Longitude of periastron (ω) | 23.6° | |
| Node (Ω) | 259.5° | |
Notes | | |
Reference | Msn2017a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
90.7 |
0.435 |
| 2001 |
90.0 |
0.438 |
| 2002 |
89.3 |
0.441 |
| 2003 |
88.7 |
0.444 |
| 2004 |
88.0 |
0.447 |
| 2005 |
87.3 |
0.449 |
| 2006 |
86.7 |
0.452 |
| 2007 |
86.0 |
0.454 |
| 2008 |
85.4 |
0.457 |
| 2009 |
84.8 |
0.459 |
| 2010 |
84.1 |
0.461 |
| 2011 |
83.5 |
0.464 |
| 2012 |
82.9 |
0.466 |
| 2013 |
82.3 |
0.468 |
| 2014 |
81.7 |
0.469 |
| 2015 |
81.1 |
0.471 |
| 2016 |
80.5 |
0.473 |
| 2017 |
79.9 |
0.474 |
| 2018 |
79.3 |
0.476 |
| 2019 |
78.8 |
0.477 |
| 2020 |
78.2 |
0.478 |
| 2021 |
77.6 |
0.480 |
| 2022 |
77.0 |
0.481 |
| 2023 |
76.4 |
0.482 |
| 2024 |
75.9 |
0.483 |
| 2025 |
75.3 |
0.483 |
| 2026 |
74.7 |
0.484 |
| 2027 |
74.2 |
0.485 |
| 2028 |
73.6 |
0.485 |
| 2029 |
73.1 |
0.486 |
| 2030 |
72.5 |
0.486 |
|
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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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