20202+3840 SLE1006AB

 
 
20h 20m 09.58s +38 39' 32.3" P.A. 156 sep 16 mag 9.63,11.30 Sp O9.5IV
 
 
Coord 2000
20202+3840
Discov num
SLE1006
Comp
AB
Coord arcsec 2000
20 20 09.58 +38 39 32.3
Date first
1985
Date last
2015
Obs
8
Pa first
155
Pa last
156
P.A. Now (θ)
156°
Sep first
15.7
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
9.63
Mag sec
11.30
delta mag (ΔM)
1.67
Spectral class
O9.5IV (blue)
Pri motion ra
-005
Sec motion ra
+000
Pri motion dec
-005
Sec motion dec
-013
Notes
rPM=0.726
Nature of this double is uncertain.
 
 
20202+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20202+3840 SLE1006 AB 1985 2015 8 156 16.0 9.63 11.30 1.67 <===
Show 20202+3840 SLE1006 AC 1928 2015 11 90 18.7 9.63 12.19 2.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
156.1
Precise sep
16.033
Constellation
Cygnus
Tycho2
3152-01961-1
Gaia DR2
72130879616
HD
228969
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20202+3840 SLE1006 AB 1998 2 155 16.1 10.90 12.60 D 202009.58+383932.3
20202+3840 SLE1006 AB 2002 3 156 15.9 9.63 11.30 D 202009.58+383932.3
20202+3840 SLE1006 AB 2015 4 156 16.0 9.63 11.30 O9.5IV 202009.58+383932.3

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