08021-1710 HDS 1140 AB
08h 02m 03.40s -17° 10' 18.6" P.A. 97.00 sep 0.5 mag 11.72,13.02 dist. 30.02 pc (97.93 l.y.)
| Coord 2000 |
08021-1710 |
|
Discov num |
HDS1140 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 02 03.40 -17 10 18.6 |
|
| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
12 |
|
| Pa first |
84 |
|
Pa last |
97.3 |
|
P.A. Now (θ) |
97.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.473 |
|
Sep. Now (ρ) |
0.473" |
|
| Mag pri |
11.72 |
|
Mag sec |
13.02 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
-345 |
|
Sec motion ra |
|
|
| Pri motion dec |
+138 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08021-1710 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
08 02 03 -17 10 19 |
HDS 1140 AB |
2020 |
12 |
97 |
0.5 |
11.72 |
13.02 |
1.30 |
Y |
<=== |
| Show |
|
|
08 02 03 -17 10 19 |
TOK 394 AC |
2020 |
10 |
329 |
1.8 |
11.42 |
14.00 |
2.58 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Puppis |
|
HIP |
39293 |
|
Tycho2 |
5999-00183-3 |
|
Distance |
30.02 |
|
| Distance ly |
97.93 |
|
ORBITAL ELEMENTS
| Period (P) | 32.52y | |
Periastron (T) | 2005.487y | |
Semi-major axis (a) | 0.364a | |
| Eccentricity (e) | 0.236 | |
Inclination (i) | 119.2° | |
Longitude of periastron (ω) | 203.8° | |
| Node (Ω) | 104.6° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
329.0 |
0.212 |
| 2001 |
315.2 |
0.239 |
| 2002 |
304.2 |
0.264 |
| 2003 |
294.8 |
0.280 |
| 2004 |
286.2 |
0.284 |
| 2005 |
277.2 |
0.272 |
| 2006 |
266.9 |
0.245 |
| 2007 |
253.3 |
0.208 |
| 2008 |
233.7 |
0.172 |
| 2009 |
206.5 |
0.153 |
| 2010 |
177.7 |
0.163 |
| 2011 |
155.8 |
0.198 |
| 2012 |
141.4 |
0.244 |
| 2013 |
131.6 |
0.290 |
| 2014 |
124.4 |
0.333 |
| 2015 |
118.8 |
0.370 |
| 2016 |
114.1 |
0.399 |
| 2017 |
109.9 |
0.421 |
| 2018 |
106.2 |
0.435 |
| 2019 |
102.5 |
0.441 |
| 2020 |
99.0 |
0.440 |
| 2021 |
95.3 |
0.432 |
| 2022 |
91.5 |
0.417 |
| 2023 |
87.2 |
0.395 |
| 2024 |
82.5 |
0.369 |
| 2025 |
76.9 |
0.337 |
| 2026 |
70.1 |
0.303 |
| 2027 |
61.5 |
0.267 |
| 2028 |
50.3 |
0.232 |
| 2029 |
35.5 |
0.204 |
| 2030 |
16.9 |
0.186 |
|
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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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