21368-3043 VOU 35 AB
21h 36m 47.56s -30° 43' 28.7" P.A. 307.00 sep 0.1 mag 8.71,9.20 Sp G3V dist. 62.27 pc (203.12 l.y.)
| Coord 2000 |
21368-3043 |
|
Discov num |
VOU 35 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 36 47.56 -30 43 28.7 |
|
| Date first |
1936 |
|
Date last |
2020 |
|
Obs |
22 |
|
| Pa first |
116 |
|
Pa last |
307.3 |
|
P.A. Now (θ) |
291.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.142 |
|
Sep. Now (ρ) |
0.147" |
|
| Mag pri |
8.71 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
+103 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
21368-3043 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
213137 |
21 36 48 -30 43 29 |
VOU 35 AB |
2020 |
22 |
307 |
0.1 |
8.71 |
9.20 |
0.49 |
Y |
<=== |
| Show |
HD 205545 |
213137 |
21 36 48 -30 43 29 |
TOK 386 AC |
2020 |
6 |
6 |
0.5 |
8.71 |
9.20 |
0.49 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Piscis Austrinus |
|
SAO |
213137 |
|
HIP |
106701 |
|
Tycho2 |
7487-00807-1 |
|
| Gaia DR2 |
6785328529816764416 |
|
HD |
205545 |
|
CD |
CD-3118372 |
|
CP |
CP-31 6574 |
|
| Distance |
62.27 |
|
Distance ly |
203.12 |
|
ORBITAL ELEMENTS
| Period (P) | 19.547y | ± 0.086 |
Periastron (T) | 2018.16y | ± 0.088 |
Semi-major axis (a) | 0.1673a | ± 0.0037 |
| Eccentricity (e) | 0.39 | ± 0.033 |
Inclination (i) | 107.8° | ± 0.8 |
Longitude of periastron (ω) | 91.4° | ± 1.4 |
| Node (Ω) | 126.9° | ± 1.2 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
317.4 |
0.102 |
| 2001 |
307.5 |
0.139 |
| 2002 |
300.8 |
0.153 |
| 2003 |
294.6 |
0.151 |
| 2004 |
287.8 |
0.139 |
| 2005 |
279.2 |
0.121 |
| 2006 |
267.1 |
0.100 |
| 2007 |
249.1 |
0.081 |
| 2008 |
223.4 |
0.071 |
| 2009 |
195.6 |
0.076 |
| 2010 |
174.2 |
0.091 |
| 2011 |
160.0 |
0.112 |
| 2012 |
150.2 |
0.132 |
| 2013 |
142.8 |
0.148 |
| 2014 |
136.7 |
0.157 |
| 2015 |
130.7 |
0.153 |
| 2016 |
123.7 |
0.132 |
| 2017 |
111.4 |
0.087 |
| 2018 |
55.5 |
0.033 |
| 2019 |
328.1 |
0.072 |
| 2020 |
312.1 |
0.122 |
| 2021 |
304.3 |
0.148 |
| 2022 |
298.0 |
0.154 |
| 2023 |
291.6 |
0.147 |
| 2024 |
284.2 |
0.131 |
| 2025 |
274.3 |
0.111 |
| 2026 |
259.9 |
0.091 |
| 2027 |
238.3 |
0.075 |
| 2028 |
210.4 |
0.071 |
| 2029 |
184.9 |
0.082 |
| 2030 |
167.0 |
0.100 |
|
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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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