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
Cdsa2 id
ES 1176 BC
Constellation
Cygnus
Ra deg
21.982727777777775
De deg
47.78480555555555
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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