20300+4149 J   130

 
 
20h 30m 00.78s +41 48' 44.4" P.A. 265 sep 2.5 mag 10.26,10.75
 
 
Coord 2000
20300+4149
Discov num
J   130
Comp
Coord arcsec 2000
20 30 00.78 +41 48 44.4
Date first
1910
Date last
2015
Obs
12
Pa first
260
Pa last
265
P.A. Now (θ)
265°
Sep first
1.8
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.26
Mag sec
10.75
delta mag (ΔM)
0.49
Spectral class
Pri motion ra
+039
Sec motion ra
-004
Pri motion dec
+002
Sec motion dec
+000
Notes
rPM=1.102
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.7
Precise sep
2.526
Constellation
Cygnus
Tycho2
3161-01165-1
Gaia DR2
39443400192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20300+4149 J 130 2005 10 265 2.5 10.26 10.75 203000.78+414844.4
20300+4149 J 130 2015 12 265 2.5 10.26 10.75 203000.78+414844.4

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