15399-1946 BU 122 AB (HD 139628)
15h 39m 54.55s -19° 46' 08.3" P.A. 228.00 sep 1.7 mag 7.65,7.67 Sp F5V dist. 57.21 pc (186.62 l.y.)
| Coord 2000 |
15399-1946 |
|
Discov num |
BU 122 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 39 54.55 -19 46 08.3 |
|
| Date first |
1868 |
|
Date last |
2019 |
|
Obs |
73 |
|
| Pa first |
203 |
|
Pa last |
227.7 |
|
P.A. Now (θ) |
227.7° |
|
| Sep first |
2.1 |
|
Sep last |
1.699 |
|
Sep. Now (ρ) |
1.699" |
|
| Mag pri |
7.65 |
|
Mag sec |
7.67 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+043 |
|
Sec motion ra |
+043 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-024 |
|
| Notes |
N
Z
W
(See Notes, Parallax indicates components are physical, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 139628 |
|
Constellation |
Libra |
|
SAO |
159421 |
|
HIP |
76714 |
|
| Tycho2 |
6193-01523-1 |
|
HD |
139628 |
|
GC |
21052 |
|
BD |
BD-19 4177 |
|
| Distance |
57.21 |
|
Distance ly |
186.62 |
|