21113+3841 GUR   7AB

 
 
21h 11m 17.07s +38 41' 26.2" P.A. 77 sep 10.2 mag 11.49,14.40
 
 
Coord 2000
21113+3841
Discov num
GUR   7
Comp
AB
Coord arcsec 2000
21 11 17.07 +38 41 26.2
Date first
1998
Date last
2012
Obs
3
Pa first
76
Pa last
77
P.A. Now (θ)
77°
Sep first
10.4
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
11.49
Mag sec
14.40
delta mag (ΔM)
2.91
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21113+3841 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21113+3841 GUR 7 AB 1998 2012 3 77 10.2 11.49 14.40 2.91 <===
Show 21113+3841 GUR 7 AC 2012 2012 1 242 7.2 11.49
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77
Precise sep
10.15
Constellation
Cygnus
Tycho2
3169-02250-1
last precise pa
77
last precise sep
10.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21113+3841 GUR 7 AB 2012 3 77 10.2 11.49 14.40 211117.07+384126.2

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