18055-6312 UC 3491 AB (HD 164444)
18h 05m 30.73s -63° 11' 39.1" P.A. 138.00 sep 44.1 mag 8.30,12.12 Sp G5V dist. 72.83 pc (237.57 l.y.)
| Coord 2000 |
18055-6312 |
|
Discov num |
UC 3491 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 05 30.73 -63 11 39.1 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
140 |
|
Pa last |
137.8 |
|
P.A. Now (θ) |
137.8° |
|
| Sep first |
44.7 |
|
Sep last |
44.063 |
|
Sep. Now (ρ) |
44.063" |
|
| Mag pri |
8.30 |
|
Mag sec |
12.12 |
|
delta mag (ΔM) |
3.82 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
-030 |
|
Sec motion ra |
-036 |
|
| Pri motion dec |
-087 |
|
Sec motion dec |
-099 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.127 (< 0.3, Physical double)
This double is physical.
18055-6312 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
254132 |
18 05 31 -63 11 39 |
RST 959 Aa,Ab |
2019 |
8 |
105 |
0.4 |
8.30 |
9.08 |
0.78 |
Y |
|
| Show |
HD 164444 |
254132 |
18 05 31 -63 11 39 |
UC 3491 AB |
2015 |
3 |
138 |
44.1 |
8.30 |
12.12 |
3.82 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 164444 |
|
Constellation |
Pavo |
|
SAO |
254132 |
|
HIP |
88607 |
|
| Tycho2 |
9059-00705-1 |
|
Gaia DR2 |
6630829622654095872 |
|
HD |
164444 |
|
CP |
CP-63 4275 |
|
| Distance |
72.83 |
|
Distance ly |
237.57 |
|