19503+1148 BPM1681BC

 
 
19h 50m 20.90s +11 48' 18.4" P.A. 345 sep 107.6 mag 15.74,15.78
 
 
Coord 2000
19503+1148
Discov num
BPM1681
Comp
BC
Coord arcsec 2000
19 50 20.90 +11 48 18.4
Date first
1988
Date last
2015
Obs
4
Pa first
346
Pa last
345
P.A. Now (θ)
345°
Sep first
106.9
Sep last
107.6
Sep. Now (ρ)
107.6"
Mag pri
15.74
Mag sec
15.78
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
+003
Sec motion ra
+004
Pri motion dec
-011
Sec motion dec
-007
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.362
This double is physical.
 
 
19503+1148 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19503+1148 BPM1680 AB 1993 2015 5 68 74.8 14.45 15.74 1.29
Show 19503+1148 BPM1681 BC 1988 2015 4 345 107.6 15.74 15.78 0.04 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.4
Precise sep
107.617
Constellation
Aquila
SAO
105323
Gaia DR2
50140818176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19503+1148 BPM1681 BC 1999 2 346 107.6 15.74 15.78 NV 195020.90+114818.4
19503+1148 BPM1681 BC 2001 3 346 107.5 15.74 15.78 NV 195020.90+114818.4
19503+1148 BPM1681 BC 2015 4 345 107.6 15.74 15.78 NV 195020.90+114818.4

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