18434-3838 B 2458 (HD 172705)
18h 43m 21.56s -38° 37' 39.9" P.A. 59.00 sep 8.1 mag 8.41,12.00 Sp F3IV/V dist. 197.24 pc (643.4 l.y.)
| Coord 2000 |
18434-3838 |
|
Discov num |
B 2458 |
|
Comp |
|
|
Coord arcsec 2000 |
18 43 21.56 -38 37 39.9 |
|
| Date first |
1930 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
50 |
|
Pa last |
58.8 |
|
P.A. Now (θ) |
58.8° |
|
| Sep first |
7.0 |
|
Sep last |
8.084 |
|
Sep. Now (ρ) |
8.084" |
|
| Mag pri |
8.41 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
3.59 |
|
Spectral class |
F3IV/V (yellow-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172705 |
|
Constellation |
Corona Austrina |
|
SAO |
210496 |
|
HIP |
91827 |
|
| Tycho2 |
7915-01283-1 |
|
Gaia DR2 |
6729701281643478912 |
|
HD |
172705 |
|
CD |
CD-3813029 |
|
| Distance |
197.24 |
|
Distance ly |
643.4 |
|
