17145-4913 RST 909 AB (HD 155511)
17h 14m 32.78s -49° 12' 50.8" P.A. 196.00 sep 0.6 mag 8.30,10.30 Sp A0IV
| Coord 2000 |
17145-4913 |
|
Discov num |
RST 909 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 14 32.78 -49 12 50.8 |
|
| Date first |
1949 |
|
Date last |
1969 |
|
Obs |
2 |
|
| Pa first |
134 |
|
Pa last |
196.1 |
|
P.A. Now (θ) |
196.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
| Mag pri |
8.30 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
A0IV (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-023 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17145-4913 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 155511 |
227731 |
17 14 33 -49 12 51 |
RST 909 AB |
1969 |
2 |
196 |
0.6 |
8.30 |
10.30 |
2.00 |
|
<=== |
| Show |
|
227731 |
17 14 33 -49 12 51 |
RST 909 AC |
2017 |
5 |
205 |
2.7 |
8.30 |
12.50 |
4.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 155511 |
|
Constellation |
Ara |
|
SAO |
227731 |
|
Tycho2 |
8336-00054-1 |
|
| Gaia DR2 |
5926445399784334592 |
|
HD |
155511 |
|
