20303+0917 J  1883

 
 
20h 30m 08.85s +09 20' 52.2" P.A. 115 sep 6.5 mag 11.70,12.30
 
 
Coord 2000
20303+0917
Discov num
J  1883
Comp
Coord arcsec 2000
20 30 08.85 +09 20 52.2
Date first
1899
Date last
2015
Obs
12
Pa first
116
Pa last
115
P.A. Now (θ)
115°
Sep first
6.5
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
11.70
Mag sec
12.30
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+002
Sec motion ra
+013
Pri motion dec
+001
Sec motion dec
-001
Notes
rPM=0.857
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.4
Precise sep
6.512
Constellation
Delphinus
Tycho2
1087-00854-1
Gaia DR2
71039672192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20303+0917 J 1883 2004 6 115 6.4 11.53 12.00 D 203008.85+092052.2
20303+0917 J 1883 2010 8 115 5.3 11.70 12.30 203008.85+092052.2
20303+0917 J 1883 2015 9 115 6.5 11.70 12.30 203008.85+092052.2

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