18147-1847 TOB 272AB

 
 
18H 14M 44.58S -18 46' 58.9" P.A. 330 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
2011
Obs
7
Pa first
330
Pa last
330
P.A. Now (θ)
330°
Sep first
29.1
Sep last
28.8
Sep. Now (ρ)
28.8"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18147-1847 TOB 272 AB 1916 2011 7 330 28.8 8.28 10.12 1.84 <===
Show 18147-1847 TOB 272 BC 1917 2011 6 324 18.2 10.12 11.10 0.98
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6272-00764-1
HD
167144
last precise pa
329.8
last precise sep
28.83