18545+0154 STTA176CD

 
 
18h 54m 31.39s +01 56' 25.1" P.A. 119 sep 82 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
2015
Obs
9
Pa first
120
Pa last
119
P.A. Now (θ)
119°
Sep first
82.0
Sep last
82.0
Sep. Now (ρ)
82"
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=0.247 (< 0.3, Physical double)
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 2017 31 112 94.0 7.45 7.51 0.06
Show 18545+0154 STTA176 AC 1909 2015 10 4 155.5 7.45 10.81 3.36
Show 18545+0154 STTA176 BD 1909 2015 10 358 150.2 7.51 11.00 3.49
Show 18545+0154 STTA176 CD 1909 2015 9 119 82.0 10.81 11.00 0.19 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
last precise pa
119.3
last precise sep
82.033
 
 
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
18545+0154 STTA176 CD 2015 9 119 82.0 10.81 11.00 185431.39+015625.1

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