14494-6714 DON 680 (HD 130042)
14h 49m 23.71s -67° 14' 09.6" P.A. 242.00 sep 2.4 mag 7.45,9.76 Sp K0V dist. 24.93 pc (81.32 l.y.)
| Coord 2000 |
14494-6714 |
|
Discov num |
DON 680 |
|
Comp |
|
|
Coord arcsec 2000 |
14 49 23.71 -67 14 09.6 |
|
| Date first |
1929 |
|
Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
64 |
|
Pa last |
241.8 |
|
P.A. Now (θ) |
241.8° |
|
| Sep first |
1.0 |
|
Sep last |
2.38 |
|
Sep. Now (ρ) |
2.38" |
|
| Mag pri |
7.45 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
2.31 |
|
Spectral class |
K0V (yellow-orange) |
|
| Pri motion ra |
-109 |
|
Sec motion ra |
-109 |
|
| Pri motion dec |
-331 |
|
Sec motion dec |
-331 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 130042 |
|
Constellation |
Circinus |
|
SAO |
252899 |
|
HIP |
72493 |
|
| Tycho2 |
9019-00141-1 |
|
HD |
130042 |
|
GC |
19910 |
|
CD |
CD-66 1650 |
|
| CP |
CP-66 2648 |
|
Distance |
24.93 |
|
Distance ly |
81.32 |
|
ORBITAL ELEMENTS
| Period (P) | 164.4819y | ± 17.2708 |
Periastron (T) | 1932.6432y | ± 5.2597 |
Semi-major axis (a) | 1.75869a | ± 0.02867 |
| Eccentricity (e) | 0.33323 | ± 0.0226 |
Inclination (i) | 100.141° | ± 1.538 |
Longitude of periastron (ω) | 343.196° | ± 18.727 |
| Node (Ω) | 59.34° | ± 0.718 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
246.2 |
1.905 |
| 2001 |
245.9 |
1.937 |
| 2002 |
245.6 |
1.968 |
| 2003 |
245.3 |
1.997 |
| 2004 |
245.0 |
2.025 |
| 2005 |
244.8 |
2.052 |
| 2006 |
244.5 |
2.077 |
| 2007 |
244.2 |
2.102 |
| 2008 |
244.0 |
2.125 |
| 2009 |
243.7 |
2.147 |
| 2010 |
243.5 |
2.167 |
| 2011 |
243.3 |
2.186 |
| 2012 |
243.0 |
2.204 |
| 2013 |
242.8 |
2.220 |
| 2014 |
242.6 |
2.236 |
| 2015 |
242.4 |
2.249 |
| 2016 |
242.1 |
2.262 |
| 2017 |
241.9 |
2.273 |
| 2018 |
241.7 |
2.283 |
| 2019 |
241.5 |
2.291 |
| 2020 |
241.3 |
2.298 |
| 2021 |
241.1 |
2.303 |
| 2022 |
240.8 |
2.308 |
| 2023 |
240.6 |
2.310 |
| 2024 |
240.4 |
2.312 |
| 2025 |
240.2 |
2.312 |
| 2026 |
240.0 |
2.310 |
| 2027 |
239.8 |
2.307 |
| 2028 |
239.6 |
2.303 |
| 2029 |
239.4 |
2.297 |
| 2030 |
239.2 |
2.289 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
