21120+1822 ZIE  12AB

 
 
21h 12m 00.50s +18 22' 15.5" P.A. 26 sep 13.3 mag 15.84,17.90
 
 
Coord 2000
21120+1822
Discov num
ZIE  12
Comp
AB
Coord arcsec 2000
21 12 00.50 +18 22 15.5
Date first
1998
Date last
2012
Obs
2
Pa first
0
Pa last
26
P.A. Now (θ)
26°
Sep first
10.9
Sep last
13.3
Sep. Now (ρ)
13.3"
Mag pri
15.84
Mag sec
17.90
delta mag (ΔM)
2.06
Spectral class
Pri motion ra
+074
Sec motion ra
Pri motion dec
-262
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21120+1822 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21120+1822 ZIE 12 AB 1998 2012 2 26 13.3 15.84 17.90 2.06 <===
Show 21120+1822 ZIE 12 AC 1998 2012 3 268 297.7 15.84 14.57 1.27
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
26
last precise sep
13.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21120+1822 ZIE 12 AB 2012 1 26 13.3 15.92 17.90 211200.48+182216.3

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