20202+3840 SLE1006AC

 
 
20h 20m 09.58s +38 39' 32.3" P.A. 90 sep 18.7 mag 9.63,12.19 Sp O9.5IV
 
 
Coord 2000
20202+3840
Discov num
SLE1006
Comp
AC
Coord arcsec 2000
20 20 09.58 +38 39 32.3
Date first
1928
Date last
2015
Obs
11
Pa first
92
Pa last
90
P.A. Now (θ)
90°
Sep first
19.2
Sep last
18.7
Sep. Now (ρ)
18.7"
Mag pri
9.63
Mag sec
12.19
delta mag (ΔM)
2.56
Spectral class
O9.5IV (blue)
Pri motion ra
-005
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-007
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
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
90
Precise sep
18.66
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 AC 1998 5 90 19.0 9.63 12.19 D 202009.58+383932.3
20202+3840 SLE1006 AC 2002 6 90 18.6 9.63 12.19 D 202009.58+383932.3
20202+3840 SLE1006 AC 2015 7 90 18.7 9.63 12.19 O9.5IV 202009.58+383932.3

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