18545+0154 STTA176AB

 
 
18h 54m 30.59s +01 53' 51.5" P.A. 112 sep 94 mag 7.45,7.51 Sp F5 dist. 88.5 pc (288.69 l.y.)
 
 
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
2017
Obs
31
Pa first
116
Pa last
112
P.A. Now (θ)
112°
Sep first
97.4
Sep last
94.0
Sep. Now (ρ)
94"
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 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
 
 
Precise pa
111.7
Precise sep
94
Constellation
Aquila
HIP
92794
Tycho2
0453-00293-1
Gaia DR2
71891817216
HD
175272
BD
BD+01 3814
Distance
88.5
Distance ly
288.69
 
 
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
18545+0154 STTA176 AB 2017 31 112 94.0 7.45 7.51 F5 Y 185430.59+015351.5

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