21039+4138 STTA214BC

 
 
21h 03m 51.70s +41 36' 44.1" P.A. 244 sep 106.4 mag 8.64,13.23
 
 
Coord 2000
21039+4138
Discov num
STTA214
Comp
BC
Coord arcsec 2000
21 03 51.70 +41 36 44.1
Date first
1911
Date last
2002
Obs
3
Pa first
242
Pa last
244
P.A. Now (θ)
244°
Sep first
107.3
Sep last
106.4
Sep. Now (ρ)
106.4"
Mag pri
8.64
Mag sec
13.23
delta mag (ΔM)
4.59
Spectral class
Pri motion ra
-005
Sec motion ra
-011
Pri motion dec
-056
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.843
This double is not physical.
 
 
21039+4138 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 50409 21039+4138 STTA214 AB 1875 2017 29 185 57.4 6.37 8.64 2.27
Show 21039+4138 STTA214 BC 1911 2002 3 244 106.4 8.64 13.23 4.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.6
Precise sep
106.449
Constellation
Cygnus
last precise pa
243.6
last precise sep
106.449
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21039+4138 STTA214 BC 2000 2 244 106.3 8.64 12.90 D 210351.70+413644.1
21039+4138 STTA214 BC 2002 3 244 106.4 8.64 12.90 N D 210351.70+413644.1

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