18509+1751 BPM 867

 
 
18h 50m 56.50s +17 51' 26.8" P.A. 188 sep 46.3 mag 13.96,15.24
 
 
Coord 2000
18509+1751
Discov num
BPM 867
Comp
Coord arcsec 2000
18 50 56.50 +17 51 26.8
Date first
1994
Date last
2015
Obs
5
Pa first
187
Pa last
188
P.A. Now (θ)
188°
Sep first
46.2
Sep last
46.3
Sep. Now (ρ)
46.3"
Mag pri
13.96
Mag sec
15.24
delta mag (ΔM)
1.28
Spectral class
Pri motion ra
-015
Sec motion ra
-018
Pri motion dec
-019
Sec motion dec
-013
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.6
Precise sep
46.348
Cdsa2 id
BPM 867
Constellation
Hercules
Ra deg
18.849027777777778
De deg
17.857444444444447
last precise pa
187.6
last precise sep
46.348
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18509+1751 BPM 867 1999 2 188 46.2 14.17 15.30 NV 185056.50+175126.8
18509+1751 BPM 867 2001 3 188 46.2 14.17 15.30 NV 185056.50+175126.8
18509+1751 BPM 867 2010 4 188 46.2 13.96 15.24 NV 185056.50+175126.8
18509+1751 BPM 867 2015 5 188 46.3 13.96 15.24 NV 185056.50+175126.8

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