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
Cdsa2 id
BPM 888
Constellation
Hercules
Ra deg
18.92553611111111
De deg
14.223722222222221
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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