23084-2849 HDS 3295 AB
23h 08m 21.10s -28° 49' 24.8" P.A. 134.00 sep 0.3 mag 5.89,8.17 Sp G8III dist. 82.44 pc (268.92 l.y.)
| Coord 2000 |
23084-2849 |
|
Discov num |
HDS3295 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 08 21.10 -28 49 24.8 |
|
| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
6 |
|
| Pa first |
293 |
|
Pa last |
133.9 |
|
P.A. Now (θ) |
133.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.33 |
|
Sep. Now (ρ) |
0.33" |
|
| Mag pri |
5.89 |
|
Mag sec |
8.17 |
|
delta mag (ΔM) |
2.28 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
-043 |
|
Sec motion ra |
|
|
| Pri motion dec |
-053 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
23084-2849 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
191674 |
23 08 21 -28 49 25 |
HDS 3295 AB |
2020 |
6 |
134 |
0.3 |
5.89 |
8.17 |
2.28 |
Y |
<=== |
| Show |
HD 218434 |
191674 |
23 08 21 -28 49 25 |
SKF 2108 AB,C |
2015 |
6 |
317 |
149.5 |
5.70 |
11.00 |
5.30 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sculptor |
|
SAO |
191674 |
|
HIP |
114254 |
|
Tycho2 |
6978-00050-1 |
|
| Gaia DR2 |
6606396275254851584 |
|
HD |
218434 |
|
HR |
8802 |
|
GC |
32226 |
|
| CD |
CD-2918588 |
|
CP |
CP-29 6769 |
|
Distance |
82.44 |
|
Distance ly |
268.92 |
|
ORBITAL ELEMENTS
| Period (P) | 60.9y | ± 3.26 |
Periastron (T) | 1999.1y | ± 0.95 |
Semi-major axis (a) | 0.308a | ± 0.006 |
| Eccentricity (e) | 0.227 | ± 0.023 |
Inclination (i) | 64.3° | ± 1.2 |
Longitude of periastron (ω) | 188.2° | ± 7.3 |
| Node (Ω) | 146.1° | ± 1.2 |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
333.6 |
0.230 |
| 2001 |
338.2 |
0.220 |
| 2002 |
343.4 |
0.207 |
| 2003 |
349.4 |
0.191 |
| 2004 |
356.6 |
0.173 |
| 2005 |
5.3 |
0.156 |
| 2006 |
16.2 |
0.140 |
| 2007 |
29.4 |
0.128 |
| 2008 |
44.7 |
0.122 |
| 2009 |
60.4 |
0.124 |
| 2010 |
75.0 |
0.133 |
| 2011 |
87.2 |
0.147 |
| 2012 |
97.0 |
0.165 |
| 2013 |
104.8 |
0.185 |
| 2014 |
111.0 |
0.206 |
| 2015 |
116.1 |
0.227 |
| 2016 |
120.3 |
0.248 |
| 2017 |
123.8 |
0.267 |
| 2018 |
126.9 |
0.286 |
| 2019 |
129.7 |
0.303 |
| 2020 |
132.1 |
0.318 |
| 2021 |
134.4 |
0.332 |
| 2022 |
136.5 |
0.344 |
| 2023 |
138.4 |
0.354 |
| 2024 |
140.2 |
0.362 |
| 2025 |
142.0 |
0.369 |
| 2026 |
143.7 |
0.373 |
| 2027 |
145.4 |
0.376 |
| 2028 |
147.1 |
0.377 |
| 2029 |
148.8 |
0.376 |
| 2030 |
150.4 |
0.373 |
|
|
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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