17399-5034 I 1332 (HD 159921)
17h 39m 52.08s -50° 34' 28.6" P.A. 23.00 sep 3.8 mag 9.15,11.60 Sp F7V
| Coord 2000 |
17399-5034 |
|
Discov num |
I 1332 |
|
Comp |
|
|
Coord arcsec 2000 |
17 39 52.08 -50 34 28.6 |
|
| Date first |
1926 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
27 |
|
Pa last |
22.7 |
|
P.A. Now (θ) |
22.7° |
|
| Sep first |
3.5 |
|
Sep last |
3.784 |
|
Sep. Now (ρ) |
3.784" |
|
| Mag pri |
9.15 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
2.45 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
-052 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 159921 |
|
Constellation |
Ara |
|
SAO |
244928 |
|
Tycho2 |
8351-01314-1 |
|
| Gaia DR2 |
5946157993977513088 |
|
HD |
159921 |
|