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
Cdsa2 id
LDS 4891 BC
Constellation
Pegasus
Ra deg
21.517794444444444
De deg
12.90986111111111
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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