20178+0612 AG  251AC

 
 
20h 17m 46.09s +06 11' 37.8" P.A. 221 sep 87.7 mag 8.61,12.11 Sp A3
 
 
Coord 2000
20178+0612
Discov num
AG  251
Comp
AC
Coord arcsec 2000
20 17 46.09 +06 11 37.8
Date first
1911
Date last
2015
Obs
8
Pa first
223
Pa last
221
P.A. Now (θ)
221°
Sep first
87.6
Sep last
87.7
Sep. Now (ρ)
87.7"
Mag pri
8.61
Mag sec
12.11
delta mag (ΔM)
3.5
Spectral class
A3 (white)
Pri motion ra
-004
Sec motion ra
+003
Pri motion dec
+004
Sec motion dec
-014
Notes
rPM=1.349
This double is not physical.
 
 
20178+0612 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20178+0612 AG 251 AB 1894 2015 26 186 7.1 8.61 10.00 1.39
Show 20178+0612 AG 251 AC 1911 2015 8 221 87.7 8.61 12.11 3.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221.2
Precise sep
87.651
Constellation
Aquila
Tycho2
0508-02203-1
Gaia DR2
17137656576
HD
192994
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+0612 AG 251 AC 2000 3 221 87.6 8.61 12.00 D 201746.09+061137.8
20178+0612 AG 251 AC 2015 5 221 87.7 8.61 12.11 A3 201746.09+061137.8

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