18502+1339 BPM 857BC

 
 
18h 50m 10.49s +13 39' 08.6" P.A. 44 sep 3.4 mag 15.70,15.70
 
 
Coord 2000
18502+1339
Discov num
BPM 857
Comp
BC
Coord arcsec 2000
18 50 10.49 +13 39 08.6
Date first
1999
Date last
2001
Obs
2
Pa first
42
Pa last
44
P.A. Now (θ)
44°
Sep first
3.6
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
15.70
Mag sec
15.70
delta mag (ΔM)
0
Spectral class
Pri motion ra
-024
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18502+1339 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18502+1339 BPM 857 AB 1991 2015 4 257 44.9 15.02 15.40 0.38
Show 18502+1339 BPM 857 BC 1999 2001 2 44 3.4 15.70 15.70 0.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
43.8
Precise sep
3.403
Cdsa2 id
BPM 857 BC
Constellation
Hercules
Ra deg
18.83624722222222
De deg
13.65238888888889
last precise pa
43.8
last precise sep
3.403
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18502+1339 BPM 857 BC 1999 1 43 3.5 15.80 15.80 NV 185010.49+133908.6
18502+1339 BPM 857 BC 2001 2 44 3.4 15.80 15.80 NV 185010.49+133908.6

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