18147-1847 TOB 272 AB (HD 167144)
18h 14m 44.58s -18° 46' 58.9" P.A. 330.00 sep 28.8 mag 8.28,10.12 Sp K5III:
Coord 2000 |
18147-1847 |
|
Discov num |
TOB 272 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 14 44.58 -18 46 58.9 |
|
Date first |
1916 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
330 |
|
Pa last |
329.8 |
|
P.A. Now (θ) |
329.8° |
|
Sep first |
29.1 |
|
Sep last |
28.767 |
|
Sep. Now (ρ) |
28.767" |
|
Mag pri |
8.28 |
|
Mag sec |
10.12 |
|
delta mag (ΔM) |
1.84 |
|
Spectral class |
K5III: (yellow-orange) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.588
Nature of this double is uncertain.
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
Name |
HD 167144 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6272-00764-1 |
|
Gaia DR2 |
4094852267079885568 |
|
HD |
167144 |
|