18582-8325 RST 3188 AB (HD 172226)
18h 58m 10.03s -83° 25' 19.8" P.A. 281.00 sep 0.4 mag 6.78,7.55 Sp B9/9.5V dist. 169.49 pc (552.88 l.y.)
Coord 2000 |
18582-8325 |
|
Discov num |
RST3188 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 58 10.03 -83 25 19.8 |
|
Date first |
1934 |
|
Date last |
1991 |
|
Obs |
7 |
|
Pa first |
320 |
|
Pa last |
280.5 |
|
P.A. Now (θ) |
280.5° |
|
Sep first |
0.3 |
|
Sep last |
0.41 |
|
Sep. Now (ρ) |
0.41" |
|
Mag pri |
6.78 |
|
Mag sec |
7.55 |
|
delta mag (ΔM) |
0.77 |
|
Spectral class |
B9/9.5V (blue-white) |
|
Pri motion ra |
+017 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
Nature of this double is uncertain.
18582-8325 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 172226 |
258814 |
18 58 10 -83 25 20 |
RST 3188 AB |
1991 |
7 |
281 |
0.4 |
6.78 |
7.55 |
0.77 |
|
<=== |
Show |
|
258814 |
18 58 10 -83 25 20 |
HJ 5043 AB,C |
2000 |
4 |
359 |
44.9 |
6.78 |
14.50 |
7.72 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172226 |
|
Constellation |
Octans |
|
SAO |
258814 |
|
HIP |
93117 |
|
Tycho2 |
9523-03026-1 |
|
HD |
172226 |
|
GC |
25771 |
|
CP |
CP-83 664 |
|
Distance |
169.49 |
|
Distance ly |
552.88 |
|