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
Cdsa2 id
BPM 894
Constellation
Hercules
Ra deg
18.93493611111111
De deg
17.147833333333335
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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