20125+5128 AC   17AE

 
 
20h 12m 31.73s +51 27' 49.0" P.A. 148 sep 130.4 mag 6.17,10.78 Sp K2.5III dist. 106.16 pc (346.29 l.y.)
 
 
Coord 2000
20125+5128
Discov num
AC   17
Comp
AE
Coord arcsec 2000
20 12 31.73 +51 27 49.0
Date first
1897
Date last
2015
Obs
8
Pa first
150
Pa last
148
P.A. Now (θ)
148°
Sep first
131.2
Sep last
130.4
Sep. Now (ρ)
130.4"
Mag pri
6.17
Mag sec
10.78
delta mag (ΔM)
4.61
Spectral class
K2.5III (yellow-orange)
Pri motion ra
-015
Sec motion ra
-002
Pri motion dec
-015
Sec motion dec
-006
Notes
rPM=0.745
Nature of this double is uncertain.
 
 
20125+5128 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32354 20125+5128 AC 17 AB 1859 2015 14 82 4.4 6.17 10.55 4.38
Show 20125+5128 AC 17 AC 1913 2015 5 9 84.8 6.17 12.63 6.46
Show 20125+5128 AC 17 AD 1913 2015 5 80 75.1 6.17 12.80 6.63
Show 20125+5128 AC 17 AE 1897 2015 8 148 130.4 6.17 10.78 4.61 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.9
Precise sep
130.383
Constellation
Cygnus
SAO
32354
HIP
99579
Tycho2
3571-02335-1
Gaia DR2
14133708544
HD
192439
HR
7726
BD
BD+51 2796
Distance
106.16
Distance ly
346.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20125+5128 AC 17 AE 2000 5 148 130.3 6.17 10.78 K2.5III D 201231.73+512749.0
20125+5128 AC 17 AE 2010 6 148 130.4 6.17 10.78 K2.5III D 201231.73+512749.0
20125+5128 AC 17 AE 2015 8 148 130.4 6.17 10.78 K2.5III 201231.73+512749.0

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