19591+3831 SEI 766AC

 
 
19h 59m 04.34s +38 30' 47.9" P.A. 231 sep 27.4 mag 9.55,12.20 Sp B5
 
 
Coord 2000
19591+3831
Discov num
SEI 766
Comp
AC
Coord arcsec 2000
19 59 04.34 +38 30 47.9
Date first
1896
Date last
2015
Obs
8
Pa first
232
Pa last
231
P.A. Now (θ)
231°
Sep first
27.5
Sep last
27.4
Sep. Now (ρ)
27.4"
Mag pri
9.55
Mag sec
12.20
delta mag (ΔM)
2.65
Spectral class
B5 (blue-white)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-009
Sec motion dec
-008
Notes
rPM=0.144 (< 0.3, Physical double)
This double is physical.
 
 
19591+3831 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19591+3831 SEI 767 AB 1896 1896 1 328 3.2 9.55 11.60 2.05
Show 19591+3831 SEI 766 AC 1896 2015 8 231 27.4 9.55 12.20 2.65 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231
Precise sep
27.448
Constellation
Cygnus
Tycho2
3137-02986-1
Gaia DR2
33340742400
HD
226949
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19591+3831 SEI 766 AC 1998 6 231 27.5 9.55 12.20 D 195904.34+383047.9
19591+3831 SEI 766 AC 2002 7 231 27.4 9.55 12.20 D 195904.34+383047.9
19591+3831 SEI 766 AC 2015 8 231 27.4 9.55 12.20 B5 195904.34+383047.9

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