20302+3245 J   843

 
 
20h 30m 10.93s +32 45' 16.1" P.A. 138 sep 4 mag 11.80,12.70
 
 
Coord 2000
20302+3245
Discov num
J   843
Comp
Coord arcsec 2000
20 30 10.93 +32 45 16.1
Date first
1912
Date last
2015
Obs
10
Pa first
139
Pa last
138
P.A. Now (θ)
138°
Sep first
3.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.80
Mag sec
12.70
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-007
Sec motion ra
+060
Pri motion dec
+006
Sec motion dec
-011
Notes
rPM=1.133
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.5
Precise sep
4.027
Constellation
Cygnus
Tycho2
2689-01518-1
Gaia DR2
02541081856
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20302+3245 J 843 2000 6 137 3.9 9.60 9.80 203010.93+324516.1
20302+3245 J 843 2011 7 138 4.0 9.60 9.80 203010.93+324516.1
20302+3245 J 843 2015 10 138 4.0 11.80 12.70 203010.93+324516.1

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