12157-8047 FIN 195 (HD 106508)
12h 15m 44.74s -80° 47' 04.9" P.A. 57.00 sep 0.1 mag 8.41,9.15 Sp B9.5V dist. 296.74 pc (967.97 l.y.)
| Coord 2000 |
12157-8047 |
|
Discov num |
FIN 195 |
|
Comp |
|
|
Coord arcsec 2000 |
12 15 44.74 -80 47 04.9 |
|
| Date first |
1928 |
|
Date last |
2019 |
|
Obs |
6 |
|
| Pa first |
318 |
|
Pa last |
57 |
|
P.A. Now (θ) |
57° |
|
| Sep first |
0.4 |
|
Sep last |
0.113 |
|
Sep. Now (ρ) |
0.113" |
|
| Mag pri |
8.41 |
|
Mag sec |
9.15 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 106508 |
|
Constellation |
Chamaeleon |
|
HIP |
59798 |
|
Tycho2 |
9424-00872-1 |
|
| Gaia DR2 |
5787161156518623616 |
|
HD |
106508 |
|
CP |
CP-80 646 |
|
Distance |
296.74 |
|
| Distance ly |
967.97 |
|
ORBITAL ELEMENTS
| Period (P) | 280y | |
Periastron (T) | 2032.74y | |
Semi-major axis (a) | 0.322a | |
| Eccentricity (e) | 0.754 | |
Inclination (i) | 60° | |
Longitude of periastron (ω) | 44.6° | |
| Node (Ω) | 96.1° | |
Notes | | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
4.0 |
0.151 |
| 2001 |
6.0 |
0.148 |
| 2002 |
8.0 |
0.145 |
| 2003 |
10.2 |
0.142 |
| 2004 |
12.4 |
0.139 |
| 2005 |
14.7 |
0.137 |
| 2006 |
17.1 |
0.134 |
| 2007 |
19.5 |
0.132 |
| 2008 |
22.1 |
0.130 |
| 2009 |
24.7 |
0.127 |
| 2010 |
27.5 |
0.125 |
| 2011 |
30.3 |
0.124 |
| 2012 |
33.2 |
0.122 |
| 2013 |
36.2 |
0.120 |
| 2014 |
39.3 |
0.119 |
| 2015 |
42.4 |
0.118 |
| 2016 |
45.6 |
0.116 |
| 2017 |
48.9 |
0.115 |
| 2018 |
52.2 |
0.114 |
| 2019 |
55.6 |
0.113 |
| 2020 |
59.0 |
0.112 |
| 2021 |
62.5 |
0.111 |
| 2022 |
66.0 |
0.110 |
| 2023 |
69.7 |
0.109 |
| 2024 |
73.4 |
0.108 |
| 2025 |
77.2 |
0.106 |
| 2026 |
81.2 |
0.104 |
| 2027 |
85.4 |
0.101 |
| 2028 |
89.9 |
0.097 |
| 2029 |
94.8 |
0.092 |
| 2030 |
100.4 |
0.086 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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|
|
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Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 12157-8047 FIN 195 (HD 106508) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Tok2020g |
orb - |
Tokovinin, A. |
2020IAUDS.201....1A |
| Tok2020g |
|
Inf. Circ. 201, 1, 2020 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
FIN |
Finsen, W.S. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 12157-8047 |
FIN 195 |
|
1991 |
4 |
349 |
0.2 |
8.41 |
9.15 |
B9.5V |
|
121544.74-804704.9 |
| 12157-8047 |
FIN 195 |
|
2017 |
5 |
49 |
0.1 |
8.41 |
9.15 |
B9.5V |
|
121544.74-804704.9 |
| 12157-8047 |
FIN 195 |
|
2019 |
6 |
57 |
0.1 |
8.41 |
9.15 |
B9.5V |
|
121544.74-804704.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12157-8047 FIN 195 (HD 106508) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12157-8047 FIN 195 (HD 106508) : MEASURES
No records found.
WDS 12157-8047 (HD 106508) : VIRTUAL EYEPIECE
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WDS 12157-8047 (HD 106508) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
