20158+5230 WAL 130AD

 
 
20h 15m 49.33s +52 30' 08.2" P.A. 227 sep 25.9 mag 7.59,12.31 Sp K5III dist. 228.83 pc (746.44 l.y.)
 
 
Coord 2000
20158+5230
Discov num
WAL 130
Comp
AD
Coord arcsec 2000
20 15 49.33 +52 30 08.2
Date first
1944
Date last
2015
Obs
6
Pa first
240
Pa last
227
P.A. Now (θ)
227°
Sep first
25.0
Sep last
25.9
Sep. Now (ρ)
25.9"
Mag pri
7.59
Mag sec
12.31
delta mag (ΔM)
4.72
Spectral class
K5III (yellow-orange)
Pri motion ra
+005
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-008
Notes
N (See Notes)
rPM=1.061
This double is not physical.
 
 
20158+5230 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20158+5230 STT 404 AB 1843 2015 20 115 28.5 7.59 9.80 2.21
Show 20158+5230 WAL 130 AC 1897 2015 9 2 78.9 7.59 11.08 3.49
Show 20158+5230 WAL 130 AD 1944 2015 6 227 25.9 7.59 12.31 4.72 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.4
Precise sep
25.868
Constellation
Cygnus
SAO
32404
HIP
99875
Tycho2
3937-01802-1
Gaia DR2
27287030784
HD
193054
BD
BD+52 2666
Distance
228.83
Distance ly
746.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20158+5230 WAL 130 AD 2000 2 228 25.8 7.59 12.31 K5III D 201549.33+523008.2
20158+5230 WAL 130 AD 2003 3 228 25.6 7.59 12.31 K5III N D 201549.33+523008.2
20158+5230 WAL 130 AD 2012 4 228 25.9 7.59 12.31 K5III N D 201549.33+523008.2
20158+5230 WAL 130 AD 2015 5 227 25.9 7.59 12.31 K5III N 201549.33+523008.2

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