19544+3918 SEI 722AC

 
 
19h 54m 24.36s +39 17' 18.0" P.A. 65 sep 21.3 mag 11.10,12.50 Sp A0
 
 
Coord 2000
19544+3918
Discov num
SEI 722
Comp
AC
Coord arcsec 2000
19 54 24.36 +39 17 18.0
Date first
1896
Date last
2002
Obs
6
Pa first
66
Pa last
65
P.A. Now (θ)
65°
Sep first
20.9
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
11.10
Mag sec
12.50
delta mag (ΔM)
1.4
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
+005
Pri motion dec
-003
Sec motion dec
+002
Notes
rPM=1.313
This double is not physical.
 
 
19544+3918 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19544+3918 SEI 721 AB 1896 2015 7 199 6.2 11.10 12.20 1.10
Show 19544+3918 SEI 722 AC 1896 2002 6 65 21.3 11.10 12.50 1.40 <===
Show 19544+3918 HJ 2909 AD 1895 2002 7 246 30.5 11.10 12.40 1.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65.2
Precise sep
21.276
Constellation
Cygnus
Tycho2
3137-00703-1
HD
226471
last precise pa
65.2
last precise sep
21.276
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19544+3918 SEI 722 AC 1998 5 65 21.2 11.10 12.60 D 195424.36+391718.0
19544+3918 SEI 722 AC 2002 6 65 21.3 11.10 12.60 D 195424.36+391718.0

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