21181+1646 J  3238AB

 
 
21h 17m 55.40s +16 44' 24.4" P.A. 342 sep 4 mag 12.00,13.00
 
 
Coord 2000
21181+1646
Discov num
J  3238
Comp
AB
Coord arcsec 2000
21 17 55.40 +16 44 24.4
Date first
1947
Date last
2015
Obs
4
Pa first
344
Pa last
342
P.A. Now (θ)
342°
Sep first
4.1
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
12.00
Mag sec
13.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21181+1646 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21181+1646 J 3238 AB 1947 2015 4 342 4.0 12.00 13.00 1.00 <===
Show 21181+1646 J 3238 AC 1947 2015 6 210 31.0 12.00 11.98 0.02
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.6
Precise sep
3.95
Constellation
Pegasus
last precise pa
341.6
last precise sep
3.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21181+1646 J 3238 AB 2004 2 341 3.7 12.00 13.00 211755.40+163324.5
21181+1646 J 3238 AB 2015 3 342 4.0 12.00 13.00 211755.40+164424.4

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