14025-2440 B 263 AB
14h 02m 27.50s -24° 39' 52.6" P.A. 164.00 sep 0.3 mag 8.42,10.59 Sp G3V dist. 62.42 pc (203.61 l.y.)
| Coord 2000 |
14025-2440 |
|
Discov num |
B 263 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 02 27.50 -24 39 52.6 |
|
| Date first |
1926 |
|
Date last |
2023 |
|
Obs |
36 |
|
| Pa first |
276 |
|
Pa last |
164.2 |
|
P.A. Now (θ) |
155.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.295 |
|
Sep. Now (ρ) |
0.259" |
|
| Mag pri |
8.42 |
|
Mag sec |
10.59 |
|
delta mag (ΔM) |
2.17 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-088 |
|
Sec motion ra |
|
|
| Pri motion dec |
-128 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
14025-2440 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
182184 |
14 02 28 -24 39 53 |
DSG 16 Aa,Ab |
2017 |
2 |
294 |
0.0 |
9.10 |
9.20 |
0.10 |
|
|
| Show |
|
182184 |
14 02 28 -24 39 53 |
B 263 AB |
2023 |
36 |
164 |
0.3 |
8.42 |
10.59 |
2.17 |
Y |
<=== |
| Show |
|
182184 |
14 02 28 -24 39 53 |
TOK 571 AC |
2016 |
4 |
326 |
999.9 |
8.14 |
16.18 |
8.04 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hydra |
|
SAO |
182184 |
|
HIP |
68587 |
|
Tycho2 |
6733-00448-1 |
|
| Gaia DR2 |
6274824520830923392 |
|
HD |
122445 |
|
CD |
CD-2411253 |
|
CP |
CP-24 5211 |
|
| Distance |
62.42 |
|
Distance ly |
203.61 |
|
ORBITAL ELEMENTS
| Period (P) | 205.9y | ± 17.8 |
Periastron (T) | 2011.84y | ± 0.64 |
Semi-major axis (a) | 0.597a | ± 0.037 |
| Eccentricity (e) | 0.533 | ± 0.024 |
Inclination (i) | 48.8° | ± 1.7 |
Longitude of periastron (ω) | 65.5° | ± 4.8 |
| Node (Ω) | 19.8° | ± 1.6 |
Notes | | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
18.4 |
0.355 |
| 2001 |
21.3 |
0.345 |
| 2002 |
24.3 |
0.333 |
| 2003 |
27.5 |
0.321 |
| 2004 |
31.0 |
0.309 |
| 2005 |
34.8 |
0.295 |
| 2006 |
39.0 |
0.281 |
| 2007 |
43.6 |
0.267 |
| 2008 |
48.8 |
0.252 |
| 2009 |
54.5 |
0.238 |
| 2010 |
61.0 |
0.225 |
| 2011 |
68.3 |
0.212 |
| 2012 |
76.5 |
0.202 |
| 2013 |
85.4 |
0.194 |
| 2014 |
94.9 |
0.189 |
| 2015 |
104.6 |
0.188 |
| 2016 |
114.3 |
0.191 |
| 2017 |
123.5 |
0.198 |
| 2018 |
131.9 |
0.208 |
| 2019 |
139.5 |
0.220 |
| 2020 |
146.2 |
0.235 |
| 2021 |
152.1 |
0.251 |
| 2022 |
157.3 |
0.268 |
| 2023 |
161.9 |
0.285 |
| 2024 |
165.9 |
0.302 |
| 2025 |
169.5 |
0.320 |
| 2026 |
172.7 |
0.338 |
| 2027 |
175.6 |
0.355 |
| 2028 |
178.2 |
0.372 |
| 2029 |
180.6 |
0.388 |
| 2030 |
182.8 |
0.404 |
| 2031 |
184.9 |
0.420 |
| 2032 |
186.8 |
0.435 |
| 2033 |
188.6 |
0.449 |
| 2034 |
190.2 |
0.463 |
| 2035 |
191.8 |
0.477 |
| 2036 |
193.3 |
0.490 |
| 2037 |
194.7 |
0.503 |
| 2038 |
196.0 |
0.515 |
| 2039 |
197.3 |
0.526 |
| 2040 |
198.6 |
0.537 |
| 2041 |
199.7 |
0.548 |
| 2042 |
200.9 |
0.558 |
| 2043 |
202.0 |
0.568 |
| 2044 |
203.0 |
0.578 |
| 2045 |
204.0 |
0.587 |
| 2046 |
205.0 |
0.595 |
| 2047 |
206.0 |
0.603 |
| 2048 |
207.0 |
0.611 |
| 2049 |
207.9 |
0.619 |
| 2050 |
208.8 |
0.626 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
