18314-4322 CPO 81 AB (HD 170418)
18h 31m 25.03s -43° 21' 54.5" P.A. 35.00 sep 12.4 mag 8.68,10.00 Sp G3V
| Coord 2000 |
18314-4322 |
|
Discov num |
CPO 81 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 31 25.03 -43 21 54.5 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
37 |
|
Pa last |
34.9 |
|
P.A. Now (θ) |
34.9° |
|
| Sep first |
12.5 |
|
Sep last |
12.367 |
|
Sep. Now (ρ) |
12.367" |
|
| Mag pri |
8.68 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-064 |
|
Sec motion ra |
-060 |
|
| Pri motion dec |
-205 |
|
Sec motion dec |
-197 |
|
| Notes |
N
(See Notes) |
|
rPM=0.042 (< 0.3, Physical double)
This double is physical.
18314-4322 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170418 |
229086 |
18 31 25 -43 21 54 |
CPO 81 AB |
2015 |
8 |
35 |
12.4 |
8.68 |
10.00 |
1.32 |
|
<=== |
| Show |
|
229086 |
18 31 25 -43 21 54 |
CPO 81 AC |
1999 |
5 |
110 |
8.1 |
8.68 |
12.40 |
3.72 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170418 |
|
Constellation |
Corona Austrina |
|
SAO |
229086 |
|
Tycho2 |
7914-00719-1 |
|
| Gaia DR2 |
6721849084983161856 |
|
HD |
170418 |
|
GC |
25264 |
|
WDS 18314-4322 CPO 81 AB (HD 170418) : NOTES
| discov_num |
notes |
refcode |
| CPO 81 |
AB = LDS 641. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| CpO1906 |
- |
Cape Observatory |
. |
| CpO1906 |
|
Cape Obs - Henderson, 1906 |
|
| CpO1938 |
P+ - |
Cape Observatory |
. |
| CpO1938 |
+T |
Cape Obs (1822-1938 data) |
|
| CpO9999 |
T - |
Cape Observatory |
................... |
| CpO9999 |
|
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 18314-4322 |
CPO 81 |
AB |
1999 |
4 |
35 |
12.4 |
8.68 |
10.00 |
G3V |
N D |
183125.03-432154.5 |
| 18314-4322 |
CPO 81 |
AB |
2010 |
7 |
36 |
12.0 |
8.68 |
10.00 |
G3V |
N |
183125.03-432154.5 |
| 18314-4322 |
CPO 81 |
AB |
2015 |
7 |
35 |
12.4 |
8.68 |
10.00 |
G3V |
N |
183125.03-432154.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18314-4322 CPO 81 AB (HD 170418) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18314-4322 CPO 81 AB (HD 170418) : MEASURES
No records found.
WDS 18314-4322 (HD 170418) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 18314-4322 (HD 170418) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
