16515-4450 DON 813 (HD 328920)
16h 51m 29.32s -44° 50' 03.0" P.A. 131.00 sep 0.4 mag 11.50,12.20 Sp B9
| Coord 2000 |
16515-4450 |
|
Discov num |
DON 813 |
|
Comp |
|
|
Coord arcsec 2000 |
16 51 29.32 -44 50 03.0 |
|
| Date first |
1930 |
|
Date last |
1948 |
|
Obs |
3 |
|
| Pa first |
128 |
|
Pa last |
130.9 |
|
P.A. Now (θ) |
130.9° |
|
| Sep first |
0.4 |
|
Sep last |
0.44 |
|
Sep. Now (ρ) |
0.44" |
|
| Mag pri |
11.50 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 328920 |
|
Constellation |
Scorpius |
|
Tycho2 |
7880-03843-1 |
|
HD |
328920 |
|
