13005-3330 HDS 1824 Aa,Ab (HD 112935)
13h 00m 32.65s -33° 30' 18.9" P.A. 315.00 sep 0.2 mag 6.20,8.71 Sp F3V dist. 41.53 pc (135.47 l.y.)
| Coord 2000 |
13005-3330 |
|
Discov num |
HDS1824 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
13 00 32.65 -33 30 18.9 |
|
| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
242 |
|
Pa last |
315.2 |
|
P.A. Now (θ) |
315.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.192 |
|
Sep. Now (ρ) |
0.192" |
|
| Mag pri |
6.20 |
|
Mag sec |
8.71 |
|
delta mag (ΔM) |
2.51 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-074 |
|
Sec motion ra |
|
|
| Pri motion dec |
-072 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
13005-3330 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 112935 |
204029 |
13 00 33 -33 30 19 |
HDS 1824 Aa,Ab |
2020 |
7 |
315 |
0.2 |
6.20 |
8.71 |
2.51 |
Y |
<=== |
| Show |
|
204029 |
13 00 33 -33 30 19 |
UC 2451 AB |
2015 |
5 |
189 |
35.7 |
8.00 |
14.60 |
6.60 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 112935 |
|
Constellation |
Centaurus |
|
SAO |
204029 |
|
HIP |
63490 |
|
| Tycho2 |
7253-01762-1 |
|
Gaia DR2 |
6180149633308111616 |
|
HD |
112935 |
|
HR |
4922 |
|
| CD |
CD-32 9083 |
|
CP |
CP-32 3340 |
|
FK5 |
3038 |
|
Distance |
41.53 |
|
| Distance ly |
135.47 |
|
ORBITAL ELEMENTS
| Period (P) | 44.275y | |
Periastron (T) | 2016.641y | |
Semi-major axis (a) | 0.408a | |
| Eccentricity (e) | 0.848 | |
Inclination (i) | 114.5° | |
Longitude of periastron (ω) | 103.5° | |
| Node (Ω) | 174.1° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
221.9 |
0.379 |
| 2001 |
219.8 |
0.381 |
| 2002 |
217.8 |
0.383 |
| 2003 |
215.7 |
0.383 |
| 2004 |
213.7 |
0.383 |
| 2005 |
211.7 |
0.381 |
| 2006 |
209.6 |
0.377 |
| 2007 |
207.5 |
0.372 |
| 2008 |
205.3 |
0.364 |
| 2009 |
203.0 |
0.354 |
| 2010 |
200.5 |
0.342 |
| 2011 |
197.9 |
0.325 |
| 2012 |
194.9 |
0.304 |
| 2013 |
191.3 |
0.276 |
| 2014 |
186.9 |
0.239 |
| 2015 |
180.3 |
0.186 |
| 2016 |
164.9 |
0.097 |
| 2017 |
2.5 |
0.075 |
| 2018 |
337.7 |
0.142 |
| 2019 |
325.6 |
0.170 |
| 2020 |
316.3 |
0.187 |
| 2021 |
308.3 |
0.199 |
| 2022 |
301.2 |
0.209 |
| 2023 |
294.6 |
0.218 |
| 2024 |
288.6 |
0.227 |
| 2025 |
283.0 |
0.235 |
| 2026 |
277.8 |
0.244 |
| 2027 |
273.0 |
0.253 |
| 2028 |
268.5 |
0.262 |
| 2029 |
264.3 |
0.270 |
| 2030 |
260.4 |
0.279 |
|
|
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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