18147-1847 TOB 272 BC
18h 14m 43.57s -18° 46' 34.3" P.A. 324.00 sep 18.4 mag 10.12,11.10
Coord 2000 |
18147-1847 |
|
Discov num |
TOB 272 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 14 43.57 -18 46 34.3 |
|
Date first |
1917 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
325 |
|
Pa last |
324.1 |
|
P.A. Now (θ) |
324.1° |
|
Sep first |
18.3 |
|
Sep last |
18.368 |
|
Sep. Now (ρ) |
18.368" |
|
Mag pri |
10.12 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.118
This double is not physical.
18147-1847 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 167144 |
|
18 14 45 -18 46 59 |
TOB 272 AB |
2015 |
8 |
330 |
28.8 |
8.28 |
10.12 |
1.84 |
|
|
Show |
|
|
18 14 44 -18 46 34 |
TOB 272 BC |
2015 |
7 |
324 |
18.4 |
10.12 |
11.10 |
0.98 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4094852267079907584 |
|