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
 
 
Precise pa
119.5
Precise sep
81.82
Cdsa2 id
STTA 176 CD
Constellation
Aquila
Ra deg
18.908719444444444
De deg
1.9403055555555555
last precise pa
119.5
last precise sep
81.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18545+0154 STTA176 CD 2002 6 120 81.8 10.81 11.00 D 185431.39+015625.1

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