18555+1413 BPM 888

 
 
18h 55m 31.93s +14 13' 25.4" P.A. 189 sep 100.9 mag 15.32,15.65
 
 
Coord 2000
18555+1413
Discov num
BPM 888
Comp
Coord arcsec 2000
18 55 31.93 +14 13 25.4
Date first
1992
Date last
2010
Obs
4
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
101.0
Sep last
100.9
Sep. Now (ρ)
100.9"
Mag pri
15.32
Mag sec
15.65
delta mag (ΔM)
0.33
Spectral class
Pri motion ra
-004
Sec motion ra
+003
Pri motion dec
-014
Sec motion dec
-018
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.442
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189
Precise sep
100.92
Constellation
Hercules
last precise pa
189
last precise sep
100.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18555+1413 BPM 888 1997 2 189 100.7 15.32 15.65 NV 185531.93+141325.4
18555+1413 BPM 888 2001 3 189 100.6 15.32 15.65 NV 185531.93+141325.4
18555+1413 BPM 888 2010 4 189 101.0 15.32 15.65 NV 185531.93+141325.4

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