21310+1256 LDS4891BC

 
 
21h 31m 04.06s +12 54' 35.5" P.A. 178 sep 21.8 mag 16.98,16.68
 
 
Coord 2000
21310+1256
Discov num
LDS4891
Comp
BC
Coord arcsec 2000
21 31 04.06 +12 54 35.5
Date first
1960
Date last
1998
Obs
2
Pa first
175
Pa last
178
P.A. Now (θ)
178°
Sep first
21.0
Sep last
21.8
Sep. Now (ρ)
21.8"
Mag pri
16.98
Mag sec
16.68
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21310+1256 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21310+1256 LDS4891 AB 1960 1998 2 167 90.5 14.42 16.98 2.56
Show 21310+1256 LDS4891 BC 1960 1998 2 178 21.8 16.98 16.68 0.30 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
21.82
Constellation
Pegasus
last precise pa
177.5
last precise sep
21.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21310+1256 LDS4891 BC 1998 2 178 21.8 16.98 16.68 D 213104.06+125435.5

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