08263-3904 B 1605 Ba,Bb
08h 26m 18.31s -39° 03' 36.8" P.A. 112.00 sep 0.2 mag 7.90,8.10 Sp B9V dist. 171.82 pc (560.48 l.y.)
| Coord 2000 |
08263-3904 |
|
Discov num |
B 1605 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
08 26 18.31 -39 03 36.8 |
|
| Date first |
1929 |
|
Date last |
2020 |
|
Obs |
20 |
|
| Pa first |
79 |
|
Pa last |
112.2 |
|
P.A. Now (θ) |
107.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.188 |
|
Sep. Now (ρ) |
0.197" |
|
| Mag pri |
7.90 |
|
Mag sec |
8.10 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
This double is physical.
08263-3904 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NO Pup |
199222 |
08 26 18 -39 03 32 |
HJ 4093 AB |
2015 |
31 |
124 |
8.1 |
6.48 |
7.05 |
0.57 |
|
|
| Show |
|
199222 |
08 26 18 -39 03 32 |
TOK 6 AD |
1997 |
1 |
265 |
5.4 |
6.64 |
17.30 |
10.66 |
|
|
| Show |
|
199224 |
08 26 18 -39 03 37 |
B 1605 Ba,Bb |
2020 |
20 |
112 |
0.2 |
7.90 |
8.10 |
0.20 |
Y |
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NO Pup |
|
Constellation |
Puppis |
|
SAO |
199224 |
|
HIP |
41361 |
|
| Tycho2 |
7661-04332-2 |
|
Gaia DR2 |
5528147999779516672 |
|
HD |
71488 |
|
HR |
3328 |
|
| CD |
CD-38 4462 |
|
Distance |
171.82 |
|
Distance ly |
560.48 |
|
ORBITAL ELEMENTS
| Period (P) | 103.33y | |
Periastron (T) | 1990.41y | |
Semi-major axis (a) | 0.199a | |
| Eccentricity (e) | 0.013 | |
Inclination (i) | 136.4° | |
Longitude of periastron (ω) | 50.6° | |
| Node (Ω) | 277.2° | |
Notes | n | |
Reference | Msn2019 | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
194.3 |
0.143 |
| 2001 |
189.4 |
0.143 |
| 2002 |
184.5 |
0.143 |
| 2003 |
179.6 |
0.143 |
| 2004 |
174.8 |
0.144 |
| 2005 |
170.0 |
0.146 |
| 2006 |
165.4 |
0.148 |
| 2007 |
160.9 |
0.150 |
| 2008 |
156.6 |
0.153 |
| 2009 |
152.4 |
0.156 |
| 2010 |
148.4 |
0.159 |
| 2011 |
144.5 |
0.162 |
| 2012 |
140.8 |
0.166 |
| 2013 |
137.2 |
0.169 |
| 2014 |
133.8 |
0.173 |
| 2015 |
130.5 |
0.176 |
| 2016 |
127.4 |
0.179 |
| 2017 |
124.3 |
0.183 |
| 2018 |
121.4 |
0.186 |
| 2019 |
118.5 |
0.188 |
| 2020 |
115.8 |
0.191 |
| 2021 |
113.0 |
0.193 |
| 2022 |
110.4 |
0.195 |
| 2023 |
107.8 |
0.197 |
| 2024 |
105.3 |
0.198 |
| 2025 |
102.7 |
0.199 |
| 2026 |
100.2 |
0.200 |
| 2027 |
97.7 |
0.201 |
| 2028 |
95.3 |
0.201 |
| 2029 |
92.8 |
0.200 |
| 2030 |
90.3 |
0.200 |
|
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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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