20089+3905 MLB 770

 
 
20h 08m 54.46s +39 04' 58.8" P.A. 284 sep 6.1 mag 10.49,13.50 Sp A
 
 
Coord 2000
20089+3905
Discov num
MLB 770
Comp
Coord arcsec 2000
20 08 54.46 +39 04 58.8
Date first
1932
Date last
2015
Obs
8
Pa first
289
Pa last
284
P.A. Now (θ)
284°
Sep first
4.5
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
10.49
Mag sec
13.50
delta mag (ΔM)
3.01
Spectral class
A (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.1
Precise sep
6.061
Constellation
Cygnus
Tycho2
3150-00964-1
Gaia DR2
83610547968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20089+3905 MLB 770 1932 1 289 4.5 10.49 13.50 200854.46+390458.8
20089+3905 MLB 770 2002 2 284 6.0 10.49 13.50 200854.46+390458.8
20089+3905 MLB 770 2010 4 283 5.8 10.49 13.50 A 200854.46+390458.8
20089+3905 MLB 770 2015 4 284 6.1 10.49 13.50 A 200854.46+390458.8

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