23586-1408 RST 4136 AB
23h 58m 34.40s -14° 07' 30.3" P.A. 13.00 sep 0.2 mag 7.73,8.54 Sp F2V dist. 117.79 pc (384.23 l.y.)
| Coord 2000 |
23586-1408 |
|
Discov num |
RST4136 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 58 34.40 -14 07 30.3 |
|
| Date first |
1936 |
|
Date last |
2018 |
|
Obs |
31 |
|
| Pa first |
18 |
|
Pa last |
13 |
|
P.A. Now (θ) |
185.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.2 |
|
Sep. Now (ρ) |
0.157" |
|
| Mag pri |
7.73 |
|
Mag sec |
8.54 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
F2V (yellow-white) |
|
| Pri motion ra |
-012 |
|
Sec motion ra |
|
|
| Pri motion dec |
+014 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
23586-1408 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
165975 |
23 58 34 -14 07 30 |
RST 4136 AB |
2018 |
31 |
13 |
0.2 |
7.73 |
8.54 |
0.81 |
Y |
<=== |
| Show |
|
165975 |
23 58 34 -14 07 30 |
B 2909 AB,C |
1999 |
4 |
215 |
11.9 |
7.27 |
14.70 |
7.43 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cetus |
|
SAO |
165975 |
|
HIP |
118205 |
|
Tycho2 |
5837-00667-1 |
|
| Gaia DR2 |
2420755585069123456 |
|
HD |
224512 |
|
GC |
33247 |
|
BD |
BD-14 6588 |
|
| Distance |
117.79 |
|
Distance ly |
384.23 |
|
ORBITAL ELEMENTS
| Period (P) | 53.81y | |
Periastron (T) | 1999.31y | |
Semi-major axis (a) | 0.205a | |
| Eccentricity (e) | 0.038 | |
Inclination (i) | 102.5° | |
Longitude of periastron (ω) | 63.5° | |
| Node (Ω) | 17.1° | |
Notes | n | |
Reference | Doc2011f | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
348.3 |
0.083 |
| 2001 |
336.8 |
0.064 |
| 2002 |
317.0 |
0.049 |
| 2003 |
286.7 |
0.043 |
| 2004 |
256.7 |
0.049 |
| 2005 |
237.3 |
0.065 |
| 2006 |
226.0 |
0.083 |
| 2007 |
218.9 |
0.103 |
| 2008 |
214.0 |
0.122 |
| 2009 |
210.5 |
0.140 |
| 2010 |
207.7 |
0.156 |
| 2011 |
205.4 |
0.171 |
| 2012 |
203.5 |
0.183 |
| 2013 |
201.7 |
0.193 |
| 2014 |
200.2 |
0.201 |
| 2015 |
198.7 |
0.206 |
| 2016 |
197.3 |
0.208 |
| 2017 |
195.9 |
0.208 |
| 2018 |
194.5 |
0.205 |
| 2019 |
193.0 |
0.200 |
| 2020 |
191.4 |
0.193 |
| 2021 |
189.7 |
0.183 |
| 2022 |
187.7 |
0.171 |
| 2023 |
185.5 |
0.157 |
| 2024 |
182.8 |
0.142 |
| 2025 |
179.3 |
0.125 |
| 2026 |
174.8 |
0.107 |
| 2027 |
168.5 |
0.089 |
| 2028 |
159.0 |
0.072 |
| 2029 |
143.9 |
0.057 |
| 2030 |
120.5 |
0.047 |
|
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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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