21041+4225 GII  54

 
 
21h 04m 03.86s +42 25' 21.8" P.A. 246 sep 5.3 mag 12.70,12.90
 
 
Coord 2000
21041+4225
Discov num
GII  54
Comp
Coord arcsec 2000
21 04 03.86 +42 25 21.8
Date first
1999
Date last
2017
Obs
4
Pa first
245
Pa last
246
P.A. Now (θ)
246°
Sep first
5.5
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
12.70
Mag sec
12.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.5
Precise sep
5.314
Constellation
Cygnus
last precise pa
245.5
last precise sep
5.314
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21041+4225 GII 54 2012 3 246 5.3 12.70 12.90 210403.86+422521.8
21041+4225 GII 54 2017 4 246 5.3 12.70 12.90 N 210403.86+422521.8

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