20284+3007 OL   75

 
 
20h 28m 24.33s +30 07' 27.2" P.A. 136 sep 1.8 mag 11.50,12.08
 
 
Coord 2000
20284+3007
Discov num
OL   75
Comp
Coord arcsec 2000
20 28 24.33 +30 07 27.2
Date first
1919
Date last
2015
Obs
3
Pa first
135
Pa last
136
P.A. Now (θ)
136°
Sep first
1.4
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.50
Mag sec
12.08
delta mag (ΔM)
0.58
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-002
Sec motion dec
-002
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.2
Precise sep
1.805
Constellation
Cygnus
Tycho2
2685-00685-1
Gaia DR2
92674391424
HD
334453
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20284+3007 OL 75 1991 2 136 1.8 11.50 12.08 N 202824.33+300727.2
20284+3007 OL 75 2015 3 136 1.8 11.50 12.08 N 202824.33+300727.2

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