21017+1652 BPM2311AB

 
 
21h 01m 43.02s +16 51' 47.0" P.A. 111 sep 113.9 mag 15.06,15.64
 
 
Coord 2000
21017+1652
Discov num
BPM2311
Comp
AB
Coord arcsec 2000
21 01 43.02 +16 51 47.0
Date first
1994
Date last
2001
Obs
3
Pa first
111
Pa last
111
P.A. Now (θ)
111°
Sep first
113.6
Sep last
113.9
Sep. Now (ρ)
113.9"
Mag pri
15.06
Mag sec
15.64
delta mag (ΔM)
0.58
Spectral class
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-005
Sec motion dec
-008
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.221 (< 0.3, Physical double)
This double is physical.
 
 
21017+1652 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21017+1652 BPM2311 AB 1994 2001 3 111 113.9 15.06 15.64 0.58 <===
Show 21017+1652 BPM2312 BC 1994 2001 3 68 82.6 15.64 14.70 0.94
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.5
Precise sep
113.865
Constellation
Delphinus
last precise pa
110.5
last precise sep
113.865
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21017+1652 BPM2311 AB 1999 2 111 113.8 15.12 15.51 NV 210143.02+165147.0
21017+1652 BPM2311 AB 2001 3 111 113.8 15.12 15.51 NV 210143.02+165147.0

If you need more information about this double, apply for a data request form to the WDS.