21108+3814 TDT2806

 
 
21h 10m 46.68s +38 13' 58.5" P.A. 259 sep 0.4 mag 11.10,11.26
 
 
Coord 2000
21108+3814
Discov num
TDT2806
Comp
Coord arcsec 2000
21 10 46.68 +38 13 58.5
Date first
1991
Date last
1991
Obs
1
Pa first
259
Pa last
259
P.A. Now (θ)
259°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.10
Mag sec
11.26
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.7
Precise sep
0.41
Constellation
Cygnus
Tycho2
3169-01966-1
last precise pa
258.7
last precise sep
0.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21108+3814 TDT2806 1991 1 259 0.4 11.10 11.26 211046.68+381358.5

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