18212+0315 BAL2489

 
 
18h 21m 13.15s +03 15' 06.5" P.A. 112 sep 17.7 mag 11.30,11.50
 
 
Coord 2000
18212+0315
Discov num
BAL2489
Comp
Coord arcsec 2000
18 21 13.15 +03 15 06.5
Date first
1910
Date last
2010
Obs
6
Pa first
110
Pa last
112
P.A. Now (θ)
112°
Sep first
18.1
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
11.30
Mag sec
11.50
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+004
Sec motion ra
-002
Pri motion dec
-003
Sec motion dec
-004
Notes
rPM=1.217
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.6
Precise sep
17.66
Constellation
Ophiuchus
last precise pa
111.6
last precise sep
17.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18212+0315 BAL2489 2002 4 110 17.7 11.30 11.50 D 182113.15+031506.5
18212+0315 BAL2489 2010 6 111 17.5 11.30 11.50 182113.15+031506.5

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