18545+0154 STTA176AB

 
 
18h 54m 30.59s +01 53' 51.5" P.A. 113 sep 94.3 mag 7.45,7.51 Sp F5
 
 
Coord 2000
18545+0154
Discov num
STTA176
Comp
AB
Coord arcsec 2000
18 54 30.59 +01 53 51.5
Date first
1874
Date last
2011
Obs
29
Pa first
116
Pa last
113
P.A. Now (θ)
113°
Sep first
97.4
Sep last
94.3
Sep. Now (ρ)
94.3"
Mag pri
7.45
Mag sec
7.51
delta mag (ΔM)
0.06
Spectral class
F5 (yellow-white)
Pri motion ra
+006
Sec motion ra
+000
Pri motion dec
-062
Sec motion dec
-014
Notes
Y (Parallax indicates components are non-physical)
rPM=0.777
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
113
Precise sep
94.3
Cdsa2 id
STTA 176 AB
Constellation
Aquila
Ra deg
18.90849722222222
De deg
1.8976388888888889
last precise pa
113
last precise sep
94.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18545+0154 STTA176 AB 2004 27 113 94.8 7.45 7.51 F5 YD 185430.59+015351.5
18545+0154 STTA176 AB 2011 29 113 94.3 7.45 7.51 F5 YD 185430.59+015351.5

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