18545+0154 STTA176CD

 
 
18H 54M 31.39S +01 56' 25.1" P.A. 120 SEP 81.8 MAG 10.81,11.00
 
 
Coord 2000
18545+0154
Discov num
STTA176
Comp
CD
Coord arcsec 2000
18 54 31.39 +01 56 25.1
Date first
1909
Date last
2002
Obs
8
Pa first
120
Pa last
120
P.A. Now (θ)
120°
Sep first
82.0
Sep last
81.8
Sep. Now (ρ)
81.8"
Mag pri
10.81
Mag sec
11.00
delta mag (ΔM)
0.19
Spectral class
Pri motion ra
-005
Sec motion ra
-003
Pri motion dec
-010
Sec motion dec
-006
Notes
rPM=0.4
Nature of this double is uncertain.
 
 
18545+0154 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18545+0154 STTA176 AB 1874 2011 29 113 94.3 7.45 7.51 0.06
Show 18545+0154 STTA176 AC 1909 2002 9 4 155.3 7.45 10.81 3.36
Show 18545+0154 STTA176 BD 1909 2002 9 358 151.2 7.51 11.00 3.49
Show 18545+0154 STTA176 CD 1909 2002 8 120 81.8 10.81 11.00 0.19 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquila
Tycho2
0453-00122-1
last precise pa
119.5
last precise sep
81.82