20178+3956 FOX9014AC

 
 
20h 17m 49.63s +39 55' 33.9" P.A. 61.00 sep 24.4 mag 8.80,13.50 Sp A2V
 
 
Coord 2000
20178+3956
Discov num
FOX9014
Comp
AC
Coord arcsec 2000
20 17 49.63 +39 55 33.9
Date first
1912
Date last
2015
Obs
8
Pa first
60
Pa last
61
P.A. Now (θ)
61°
Sep first
22.0
Sep last
24.4
Sep. Now (ρ)
24.4"
Mag pri
8.80
Mag sec
13.50
delta mag (ΔM)
4.7
Spectral class
A2V (white)
Pri motion ra
-009
Sec motion ra
+002
Pri motion dec
-010
Sec motion dec
-007
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.847
This double is not physical.
 
 
20178+3956 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69777 20178+3956 HJ 2951 AB 1831 2015 32 125 10.8 8.80 9.54 0.74
Show 69777 20178+3956 FOX9014 AC 1912 2015 8 61 24.4 8.80 13.50 4.70 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
61.4
Precise sep
24.385
Constellation
Cygnus
SAO
69777
Tycho2
3155-01860-1
Gaia DR2
24850585472
HD
193247
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+3956 FOX9014 AC 2000 2 62 24.3 8.80 13.50 201749.63+395533.9
20178+3956 FOX9014 AC 2002 4 61 24.4 8.80 13.50 D 201749.63+395533.9
20178+3956 FOX9014 AC 2015 4 61 24.4 8.80 13.50 A2V N 201749.63+395533.9

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