20312+4132 CAN   3AB

 
 
20h 31m 10.55s +41 31' 53.5" P.A. 342.00 sep 1.2 mag 11.30,13.90 Sp O8IV
 
 
Coord 2000
20312+4132
Discov num
CAN   3
Comp
AB
Coord arcsec 2000
20 31 10.55 +41 31 53.5
Date first
2008
Date last
2013
Obs
3
Pa first
215
Pa last
342
P.A. Now (θ)
342°
Sep first
4.4
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.30
Mag sec
13.90
delta mag (ΔM)
2.6
Spectral class
O8IV (blue)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
20312+4132 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20312+4132 CAN 3 AB 2008 2013 3 342 1.2 11.30 13.90 2.60 <===
Show 20312+4132 CAN 29 AC 2008 2008 1 152 6.3 7.40 15.90 8.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.9
Precise sep
1.174
Constellation
Cygnus
Tycho2
3161-00877-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20312+4132 CAN 3 AB 2013 3 342 1.2 11.30 13.90 O8IV V 203110.55+413153.5

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