21589+4748 ES 1176BC

 
 
21h 58m 57.82s +47 47' 05.3" P.A. 270 sep 6.7 mag 11.00,12.80
 
 
Coord 2000
21589+4748
Discov num
ES 1176
Comp
BC
Coord arcsec 2000
21 58 57.82 +47 47 05.3
Date first
1912
Date last
2003
Obs
4
Pa first
270
Pa last
270
P.A. Now (θ)
270°
Sep first
5.8
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
11.00
Mag sec
12.80
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+010
Sec motion ra
-020
Pri motion dec
+000
Sec motion dec
-017
Notes
rPM=1.314
This double is not physical.
 
 
21589+4748 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21589+4748 ES 1176 AB 1898 2003 5 141 33.0 9.21 12.16 2.95
Show 21589+4748 ES 1176 BC 1912 2003 4 270 6.7 11.00 12.80 1.80 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270
Precise sep
6.682
Constellation
Cygnus
last precise pa
270
last precise sep
6.682
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21589+4748 ES 1176 BC 2000 2 271 6.6 11.10 12.90 D 215857.82+474705.3
21589+4748 ES 1176 BC 2003 4 270 6.7 11.00 12.80 D 215857.82+474705.3

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