14380+5135 STF 1863 (HD 128941)
14h 38m 00.71s +51° 34' 42.1" P.A. 58.00 sep 0.6 mag 7.71,7.80 Sp F4V dist. 82.17 pc (268.04 l.y.)
Coord 2000 |
14380+5135 |
|
Discov num |
STF1863 |
|
Comp |
|
|
Coord arcsec 2000 |
14 38 00.71 +51 34 42.1 |
|
Date first |
1830 |
|
Date last |
2021 |
|
Obs |
209 |
|
Pa first |
110 |
|
Pa last |
58.2 |
|
P.A. Now (θ) |
58.2° |
|
Sep first |
0.7 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
Mag pri |
7.71 |
|
Mag sec |
7.80 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
F4V (yellow-white) |
|
Pri motion ra |
-056 |
|
Sec motion ra |
-056 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
+007 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 128941 |
|
Constellation |
Bootes |
|
SAO |
29224 |
|
HIP |
71548 |
|
Tycho2 |
3479-00568-1 |
|
Gaia DR2 |
1604285772431915648 |
|
HD |
128941 |
|
GC |
19734 |
|
ADS |
9329 |
|
BD |
BD+52 1816 |
|
Distance |
82.17 |
|
Distance ly |
268.04 |
|
ORBITAL ELEMENTS
Period (P) | 538y | |
Periastron (T) | 1774.3y | |
Semi-major axis (a) | 1.08a | |
Eccentricity (e) | 0.91 | |
Inclination (i) | 108.2° | |
Longitude of periastron (ω) | 269° | |
Node (Ω) | 140.2° | |
Notes | | |
Reference | Zir2013a | |
Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
63.8 |
0.650 |
2001 |
63.6 |
0.650 |
2002 |
63.3 |
0.650 |
2003 |
63.1 |
0.650 |
2004 |
62.9 |
0.650 |
2005 |
62.6 |
0.650 |
2006 |
62.4 |
0.649 |
2007 |
62.2 |
0.649 |
2008 |
61.9 |
0.649 |
2009 |
61.7 |
0.649 |
2010 |
61.4 |
0.649 |
2011 |
61.2 |
0.649 |
2012 |
61.0 |
0.649 |
2013 |
60.7 |
0.649 |
2014 |
60.5 |
0.649 |
2015 |
60.2 |
0.649 |
2016 |
60.0 |
0.649 |
2017 |
59.8 |
0.648 |
2018 |
59.5 |
0.648 |
2019 |
59.3 |
0.648 |
2020 |
59.0 |
0.648 |
2021 |
58.8 |
0.648 |
2022 |
58.5 |
0.648 |
2023 |
58.3 |
0.648 |
2024 |
58.1 |
0.648 |
2025 |
57.8 |
0.648 |
2026 |
57.6 |
0.647 |
2027 |
57.3 |
0.647 |
2028 |
57.1 |
0.647 |
2029 |
56.9 |
0.647 |
2030 |
56.6 |
0.647 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|