19555+3919 SEI 733AC

 
 
19h 55m 31.44s +39 18' 46.5" P.A. 142 sep 23.4 mag 12.10,12.40
 
 
Coord 2000
19555+3919
Discov num
SEI 733
Comp
AC
Coord arcsec 2000
19 55 31.44 +39 18 46.5
Date first
1896
Date last
2002
Obs
6
Pa first
143
Pa last
142
P.A. Now (θ)
142°
Sep first
23.3
Sep last
23.4
Sep. Now (ρ)
23.4"
Mag pri
12.10
Mag sec
12.40
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-006
Sec motion ra
-008
Pri motion dec
-010
Sec motion dec
-009
Notes
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
19555+3919 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19555+3919 TDT1852 AB 1991 1991 1 32 2.1 12.10 12.17 0.07
Show 19555+3919 SEI 733 AC 1896 2002 6 142 23.4 12.10 12.40 0.30 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142
Precise sep
23.441
Constellation
Cygnus
Tycho2
3137-00885-1
last precise pa
142
last precise sep
23.441
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19555+3919 SEI 733 AC 1998 5 142 23.4 12.10 12.40 D 195531.44+391846.5
19555+3919 SEI 733 AC 2002 6 142 23.4 12.10 12.40 D 195531.44+391846.5

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