17145-4913 RST 909 AC
17h 14m 32.78s -49° 12' 50.8" P.A. 205.00 sep 2.7 mag 8.30,12.50 Sp A0IV
Coord 2000 |
17145-4913 |
|
Discov num |
RST 909 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 14 32.78 -49 12 50.8 |
|
Date first |
1930 |
|
Date last |
2017 |
|
Obs |
5 |
|
Pa first |
203 |
|
Pa last |
205.2 |
|
P.A. Now (θ) |
205.2° |
|
Sep first |
2.5 |
|
Sep last |
2.651 |
|
Sep. Now (ρ) |
2.651" |
|
Mag pri |
8.30 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
4.2 |
|
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
Constellation |
Ara |
|
SAO |
227731 |
|
Tycho2 |
8336-00054-1 |
|
Gaia DR2 |
5926445399784334592 |
|
HD |
155511 |
|
DM |
CD-4911262 |
|