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
8
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
Tycho2
3176-01601-1
Gaia DR2
78403294976
 
 
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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