18561+1709 BPM 894

 
 
18h 56m 05.77s +17 08' 52.2" P.A. 18 sep 96.8 mag 13.09,15.36
 
 
Coord 2000
18561+1709
Discov num
BPM 894
Comp
Coord arcsec 2000
18 56 05.77 +17 08 52.2
Date first
1992
Date last
2010
Obs
4
Pa first
18
Pa last
18
P.A. Now (θ)
18°
Sep first
96.5
Sep last
96.8
Sep. Now (ρ)
96.8"
Mag pri
13.09
Mag sec
15.36
delta mag (ΔM)
2.27
Spectral class
Pri motion ra
+013
Sec motion ra
-001
Pri motion dec
-056
Sec motion dec
+003
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.055
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.5
Precise sep
96.77
Constellation
Hercules
last precise pa
17.5
last precise sep
96.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18561+1709 BPM 894 1997 2 18 96.1 13.33 15.55 NV 185605.77+170852.2
18561+1709 BPM 894 2001 3 18 96.0 13.33 15.55 NV 185605.77+170852.2
18561+1709 BPM 894 2010 4 18 96.8 13.09 15.36 NV 185605.77+170852.2

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