21522+0538 JOD  23AC

 
 
21h 52m 10.41s +05 37' 35.8" P.A. 31 sep 0.7 mag 14.00,16.10 Sp M3Ve
 
 
Coord 2000
21522+0538
Discov num
JOD  23
Comp
AC
Coord arcsec 2000
21 52 10.41 +05 37 35.8
Date first
2012
Date last
2017
Obs
3
Pa first
0
Pa last
31
P.A. Now (θ)
31°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
14.00
Mag sec
16.10
delta mag (ΔM)
2.1
Spectral class
M3Ve (red)
Pri motion ra
+119
Sec motion ra
Pri motion dec
-150
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
21522+0538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21522+0538 JOD 23 AB 2008 2017 4 45 0.1 14.00 14.50 0.50
Show 21522+0538 JOD 23 AC 2012 2017 3 31 0.7 14.00 16.10 2.10 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31
Precise sep
0.694
Constellation
Pegasus
last precise pa
31
last precise sep
0.694
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21522+0538 JOD 23 AC 2015 1 20 0.7 14.00 16.10 M3Ve R 215210.41+053735.8
21522+0538 JOD 23 AC 2017 3 31 0.7 14.00 16.10 M3Ve R 215210.41+053735.8

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