20088+3915 MLB 769

 
 
20h 08m 50.39s +39 14' 40.2" P.A. 131 sep 4.9 mag 11.50,13.00
 
 
Coord 2000
20088+3915
Discov num
MLB 769
Comp
Coord arcsec 2000
20 08 50.39 +39 14 40.2
Date first
1932
Date last
2015
Obs
4
Pa first
130
Pa last
131
P.A. Now (θ)
131°
Sep first
4.3
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
11.50
Mag sec
13.00
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-026
Sec motion ra
-003
Pri motion dec
+017
Sec motion dec
-001
Notes
rPM=0.94
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
130.7
Precise sep
4.938
Constellation
Cygnus
Gaia DR2
35129856384
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20088+3915 MLB 769 1998 2 130 4.8 11.50 13.00 D 200850.39+391440.2
20088+3915 MLB 769 2002 3 132 5.0 11.50 13.00 D 200850.39+391440.2
20088+3915 MLB 769 2015 4 131 4.9 11.50 13.00 200850.39+391440.2

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