08291-4756 FIN 315 Aa,Ab
08h 29m 04.76s -47° 55' 44.2" P.A. 43.00 sep 0.1 mag 5.90,6.40 Sp B2IV dist. 653.59 pc (2132.01 l.y.)
| Coord 2000 |
08291-4756 |
|
Discov num |
FIN 315 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
08 29 04.76 -47 55 44.2 |
|
| Date first |
1951 |
|
Date last |
2021 |
|
Obs |
26 |
|
| Pa first |
112 |
|
Pa last |
43.3 |
|
P.A. Now (θ) |
43.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.117 |
|
Sep. Now (ρ) |
0.117" |
|
| Mag pri |
5.90 |
|
Mag sec |
6.40 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B2IV (blue-white) |
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08291-4756 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
219985 |
08 29 05 -47 55 44 |
FIN 315 Aa,Ab |
2021 |
26 |
43 |
0.1 |
5.90 |
6.40 |
0.50 |
Y |
<=== |
| Show |
HD 72108 |
219985 |
08 29 05 -47 55 44 |
HJ 4104 AB |
2008 |
25 |
244 |
3.5 |
5.51 |
7.17 |
1.66 |
|
|
| Show |
|
219985 |
08 29 05 -47 55 44 |
HJ 4104 AC |
2009 |
19 |
40 |
19.6 |
5.51 |
9.23 |
3.72 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vela |
|
SAO |
219985 |
|
HIP |
41616 |
|
Tycho2 |
8154-06911-2 |
|
| Gaia DR2 |
5515464136727687296 |
|
HD |
72108 |
|
HR |
3358 |
|
GC |
11630 |
|
| CD |
CD-47 4004 |
|
CP |
CP-47 2296 |
|
Distance |
653.59 |
|
Distance ly |
2132.01 |
|
ORBITAL ELEMENTS
| Period (P) | 340y | ± 50 |
Periastron (T) | 1947.7y | ± 2 |
Semi-major axis (a) | 0.427a | ± 0.03 |
| Eccentricity (e) | 0.748 | ± 0.03 |
Inclination (i) | 78.9° | ± 2 |
Longitude of periastron (ω) | 300° | ± 5 |
| Node (Ω) | ° | ± 2 |
Notes | n | |
Reference | Doc2013d | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
58.9 |
0.105 |
| 2001 |
61.1 |
0.104 |
| 2002 |
63.4 |
0.103 |
| 2003 |
65.8 |
0.102 |
| 2004 |
68.1 |
0.102 |
| 2005 |
70.5 |
0.101 |
| 2006 |
73.0 |
0.101 |
| 2007 |
75.4 |
0.101 |
| 2008 |
77.9 |
0.100 |
| 2009 |
80.3 |
0.101 |
| 2010 |
82.7 |
0.101 |
| 2011 |
85.1 |
0.101 |
| 2012 |
87.5 |
0.102 |
| 2013 |
89.9 |
0.103 |
| 2014 |
92.2 |
0.104 |
| 2015 |
94.5 |
0.105 |
| 2016 |
96.7 |
0.106 |
| 2017 |
98.9 |
0.107 |
| 2018 |
101.0 |
0.109 |
| 2019 |
103.0 |
0.110 |
| 2020 |
105.0 |
0.112 |
| 2021 |
106.9 |
0.114 |
| 2022 |
108.8 |
0.116 |
| 2023 |
110.6 |
0.118 |
| 2024 |
112.3 |
0.120 |
| 2025 |
114.0 |
0.122 |
| 2026 |
115.6 |
0.125 |
| 2027 |
117.2 |
0.127 |
| 2028 |
118.7 |
0.130 |
| 2029 |
120.1 |
0.132 |
| 2030 |
121.5 |
0.135 |
| 2031 |
122.8 |
0.138 |
| 2032 |
124.1 |
0.140 |
| 2033 |
125.3 |
0.143 |
| 2034 |
126.5 |
0.146 |
| 2035 |
127.7 |
0.149 |
| 2036 |
128.8 |
0.152 |
| 2037 |
129.8 |
0.155 |
| 2038 |
130.8 |
0.158 |
| 2039 |
131.8 |
0.161 |
| 2040 |
132.7 |
0.164 |
| 2041 |
133.6 |
0.167 |
| 2042 |
134.5 |
0.170 |
| 2043 |
135.4 |
0.173 |
| 2044 |
136.2 |
0.176 |
| 2045 |
137.0 |
0.179 |
| 2046 |
137.7 |
0.182 |
| 2047 |
138.4 |
0.185 |
| 2048 |
139.1 |
0.189 |
| 2049 |
139.8 |
0.192 |
| 2050 |
140.5 |
0.195 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
