20120+3436 HO  120AC

 
 
20h 11m 58.71s +34 35' 39.5" P.A. 200 sep 24.2 mag 9.12,11.10 Sp G8IV
 
 
Coord 2000
20120+3436
Discov num
HO  120
Comp
AC
Coord arcsec 2000
20 11 58.71 +34 35 39.5
Date first
1892
Date last
2015
Obs
10
Pa first
201
Pa last
200
P.A. Now (θ)
200°
Sep first
27.8
Sep last
24.2
Sep. Now (ρ)
24.2"
Mag pri
9.12
Mag sec
11.10
delta mag (ΔM)
1.98
Spectral class
G8IV (yellow)
Pri motion ra
-010
Sec motion ra
+001
Pri motion dec
-022
Sec motion dec
-002
Notes
rPM=0.945
This double is not physical.
 
 
20120+3436 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20120+3436 HO 120 AB 1882 1999 10 114 1.2 9.12 10.65 1.53
Show 20120+3436 HO 120 AC 1892 2015 10 200 24.2 9.12 11.10 1.98 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
199.7
Precise sep
24.225
Constellation
Cygnus
SAO
69586
Tycho2
2679-01340-1
Gaia DR2
62559089536
HD
228229
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20120+3436 HO 120 AC 2002 7 201 24.2 9.12 11.10 G8IV D 201158.71+343539.5
20120+3436 HO 120 AC 2003 9 200 24.7 9.12 11.10 G8IV 201158.71+343539.5
20120+3436 HO 120 AC 2015 10 200 24.2 9.12 11.10 G8IV 201158.71+343539.5

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