21094+1721 STF2763AB

 
 
21h 09m 26.86s +17 20' 39.6" P.A. 293 sep 17.4 mag 9.91,10.88 Sp F7V+F6V
 
 
Coord 2000
21094+1721
Discov num
STF2763
Comp
AB
Coord arcsec 2000
21 09 26.86 +17 20 39.6
Date first
1829
Date last
2013
Obs
31
Pa first
294
Pa last
293
P.A. Now (θ)
293°
Sep first
16.8
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
9.91
Mag sec
10.88
delta mag (ΔM)
0.97
Spectral class
F7V+F6V (yellow-white/yellow-white)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-024
Sec motion dec
-025
Notes
Y (Parallax indicates components are non-physical)
rPM=0.057 (< 0.3, Physical double)
This double is not physical.
 
 
21094+1721 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21094+1721 STF2763 AB 1829 2013 31 293 17.4 9.91 10.88 0.97 <===
Show 21094+1721 STF2763 BC 1879 2013 7 227 30.9 10.88 12.80 1.92
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
293
Precise sep
17.4
Constellation
Pegasus
Tycho2
1653-00856-1
HD
201479
last precise pa
293
last precise sep
17.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21094+1721 STF2763 AB 2006 27 293 17.4 9.91 10.88 F8 D 210926.86+172039.6
21094+1721 STF2763 AB 2011 29 293 16.9 9.91 10.88 F8 D 210926.86+172039.6
21094+1721 STF2763 AB 2013 31 293 17.4 9.91 10.88 F8 210926.86+172039.6

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