21531+4826 GII  87AC

 
 
21h 53m 02.23s +48 25' 42.4" P.A. 31 sep 6.3 mag 11.70,14.30
 
 
Coord 2000
21531+4826
Discov num
GII  87
Comp
AC
Coord arcsec 2000
21 53 02.23 +48 25 42.4
Date first
1999
Date last
2014
Obs
3
Pa first
30
Pa last
31
P.A. Now (θ)
31°
Sep first
6.2
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
11.70
Mag sec
14.30
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21531+4826 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21531+4826 COU2319 AB 1985 1985 1 62 0.7 11.70 14.30 2.60
Show 21531+4826 GII 87 AC 1999 2014 3 31 6.3 11.70 14.30 2.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.2
Precise sep
6.25
Cdsa2 id
GII 87 AC
Constellation
Cygnus
Ra deg
21.88395277777778
De deg
48.428444444444445
last precise pa
31.2
last precise sep
6.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21531+4826 GII 87 AC 2014 4 31 6.3 11.70 14.30 215302.23+482542.4

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