20332+4120 MZA  28AB

 
 
20h 33m 14.10s +41 20' 21.9" P.A. 105.00 sep 18.6 mag 10.50,12.60 Sp O3I
 
 
Coord 2000
20332+4120
Discov num
MZA  28
Comp
AB
Coord arcsec 2000
20 33 14.10 +41 20 21.9
Date first
1998
Date last
2015
Obs
9
Pa first
104
Pa last
105
P.A. Now (θ)
105°
Sep first
18.6
Sep last
18.6
Sep. Now (ρ)
18.6"
Mag pri
10.50
Mag sec
12.60
delta mag (ΔM)
2.1
Spectral class
O3I (blue)
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-004
Sec motion dec
-003
Notes
rPM=0.343
Nature of this double is uncertain.
 
 
20332+4120 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49781 20332+4120 MZA 28 AB 1998 2015 9 105 18.6 10.50 12.60 2.10 <===
Show 49781 20332+4120 MZA 28 AC 2005 2015 3 107 15.7 10.50 16.30 5.80
Show 49781 20332+4120 MZA 28 AD 1998 2015 6 80 20.4 10.50 16.20 5.70
Show 49781 20332+4120 MZA 28 AE 1998 2015 3 104 25.0 10.50 18.70 8.20
Show 49781 20332+4120 CAN 51 AF 2005 2005 1 0 14.7 6.80 14.80 8.00
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.6
Precise sep
18.605
Constellation
Cygnus
SAO
49781
Tycho2
3161-01335-1
Gaia DR2
2067785070923663104
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20332+4120 MZA 28 AB 2007 3 104 18.6 10.50 12.60 O3Iab 203314.10+412021.9
20332+4120 MZA 28 AB 2014 5 105 16.6 10.50 12.60 OB 203314.10+412021.9
20332+4120 MZA 28 AB 2015 9 105 18.6 10.50 12.60 OB 203314.10+412021.9

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