20117+1221 BPM2051AB

 
 
20h 11m 42.55s +12 20' 49.9" P.A. 355 sep 36.4 mag 13.37,15.98
 
 
Coord 2000
20117+1221
Discov num
BPM2051
Comp
AB
Coord arcsec 2000
20 11 42.55 +12 20 49.9
Date first
1993
Date last
2015
Obs
7
Pa first
355
Pa last
355
P.A. Now (θ)
355°
Sep first
37.0
Sep last
36.4
Sep. Now (ρ)
36.4"
Mag pri
13.37
Mag sec
15.98
delta mag (ΔM)
2.61
Spectral class
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
-010
Sec motion dec
-033
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.71
This double is physical.
 
 
20117+1221 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20117+1221 BPM2051 AB 1993 2015 7 355 36.4 13.37 15.98 2.61 <===
Show 20117+1221 BPM2052 BC 1990 2015 6 193 89.0 15.98 15.87 0.11
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.2
Precise sep
36.369
Constellation
Aquila
Gaia DR2
83162169216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117+1221 BPM2051 AB 1998 2 355 36.4 13.37 15.98 NV 201142.55+122049.9
20117+1221 BPM2051 AB 2001 3 355 36.3 13.37 15.98 NV 201142.55+122049.9
20117+1221 BPM2051 AB 2015 4 355 36.5 13.37 15.98 NV 201142.55+122049.9

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