18405-2953 SEE 356 (HD 172258)
18h 40m 31.07s -29° 52' 52.4" P.A. 133.00 sep 3.1 mag 9.17,9.34 Sp B9IV/V
| Coord 2000 |
18405-2953 |
|
Discov num |
SEE 356 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 31.07 -29 52 52.4 |
|
| Date first |
1897 |
|
Date last |
1999 |
|
Obs |
11 |
|
| Pa first |
134 |
|
Pa last |
133 |
|
P.A. Now (θ) |
133° |
|
| Sep first |
4.0 |
|
Sep last |
3.09 |
|
Sep. Now (ρ) |
3.09" |
|
| Mag pri |
9.17 |
|
Mag sec |
9.34 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
B9IV/V (blue-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172258 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6870-01665-1 |
|
Gaia DR2 |
4047289249483360000 |
|
| HD |
172258 |
|
