18186-1341 DCH  20

 
 
18h 18m 33.73s -13 40' 58.4" P.A. 228 sep 0.5 mag 8.92,11.45 Sp B0V
 
 
Coord 2000
18186-1341
Discov num
DCH  20
Comp
Coord arcsec 2000
18 18 33.73 -13 40 58.4
Date first
1998
Date last
1998
Obs
1
Pa first
228
Pa last
228
P.A. Now (θ)
228°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.92
Mag sec
11.45
delta mag (ΔM)
2.53
Spectral class
B0V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
last precise pa
227.7
last precise sep
0.543
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1341 DCH 20 1998 1 228 0.5 13.09   181833.73-134058.4

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