18515-2143 DON 928 (HD 174471)
18h 51m 27.48s -21° 43' 05.4" P.A. 277.00 sep 4.9 mag 10.22,11.90 Sp B9IV/V
| Coord 2000 |
18515-2143 |
|
Discov num |
DON 928 |
|
Comp |
|
|
Coord arcsec 2000 |
18 51 27.48 -21 43 05.4 |
|
| Date first |
1922 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
271 |
|
Pa last |
277.2 |
|
P.A. Now (θ) |
277.2° |
|
| Sep first |
3.5 |
|
Sep last |
4.863 |
|
Sep. Now (ρ) |
4.863" |
|
| Mag pri |
10.22 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
B9IV/V (blue-white) |
|
| Pri motion ra |
+025 |
|
Sec motion ra |
-101 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
rPM=1.254
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174471 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6293-00756-1 |
|
Gaia DR2 |
4079006792674942592 |
|
| HD |
174471 |
|
