18545+0154 STTA176AC

 
 
18h 54m 30.59s +01 53' 51.5" P.A. 4 sep 155.3 mag 7.45,10.81 Sp F5
 
 
Coord 2000
18545+0154
Discov num
STTA176
Comp
AC
Coord arcsec 2000
18 54 30.59 +01 53 51.5
Date first
1909
Date last
2002
Obs
9
Pa first
5
Pa last
4
P.A. Now (θ)
Sep first
150.4
Sep last
155.3
Sep. Now (ρ)
155.3"
Mag pri
7.45
Mag sec
10.81
delta mag (ΔM)
3.36
Spectral class
F5 (yellow-white)
Pri motion ra
+006
Sec motion ra
-005
Pri motion dec
-062
Sec motion dec
-010
Notes
rPM=0.853
This double is not physical.
 
 
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
 
 
Precise pa
4.3
Precise sep
155.25
Cdsa2 id
STTA 176 AC
Constellation
Aquila
Ra deg
18.90849722222222
De deg
1.8976388888888889
last precise pa
4.3
last precise sep
155.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18545+0154 STTA176 AC 2002 8 4 155.3 7.45 10.81 D 185430.59+015351.5

If you need more information about this double, apply for a data request form to the WDS.