17107-5710 RST 903 (HD 154774)
17h 10m 44.19s -57° 09' 53.1" P.A. 223.00 sep 0.3 mag 9.30,9.50 Sp B8III
| Coord 2000 |
17107-5710 |
|
Discov num |
RST 903 |
|
Comp |
|
|
Coord arcsec 2000 |
17 10 44.19 -57 09 53.1 |
|
| Date first |
1929 |
|
Date last |
2019 |
|
Obs |
4 |
|
| Pa first |
203 |
|
Pa last |
223.4 |
|
P.A. Now (θ) |
223.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.28 |
|
Sep. Now (ρ) |
0.28" |
|
| Mag pri |
9.30 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
B8III (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 154774 |
|
Constellation |
Ara |
|
SAO |
244485 |
|
Tycho2 |
8735-00586-1 |
|
| Gaia DR2 |
5917170984822900864 |
|
HD |
154774 |
|