15442-6805 DON 750 (HD 139744)
15h 44m 15.00s -68° 04' 52.6" P.A. 272.00 sep 1.3 mag 8.81,12.30 Sp B8/9III
| Coord 2000 |
15442-6805 |
|
Discov num |
DON 750 |
|
Comp |
|
|
Coord arcsec 2000 |
15 44 15.00 -68 04 52.6 |
|
| Date first |
1929 |
|
Date last |
1966 |
|
Obs |
2 |
|
| Pa first |
268 |
|
Pa last |
271.7 |
|
P.A. Now (θ) |
271.7° |
|
| Sep first |
1.3 |
|
Sep last |
1.26 |
|
Sep. Now (ρ) |
1.26" |
|
| Mag pri |
8.81 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.49 |
|
Spectral class |
B8/9III (blue-white) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 139744 |
|
Constellation |
Triangulum Australe |
|
Tycho2 |
9260-00884-1 |
|
Gaia DR2 |
5820662622999183744 |
|
| HD |
139744 |
|
