18187-1356 DCH  36

 
 
18h 18m 44.86s -13 56' 21.9" P.A. 235 sep 1.4 mag 10.82,16.70 Sp B1V
 
 
Coord 2000
18187-1356
Discov num
DCH  36
Comp
Coord arcsec 2000
18 18 44.86 -13 56 21.9
Date first
1998
Date last
1998
Obs
1
Pa first
235
Pa last
235
P.A. Now (θ)
235°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.82
Mag sec
16.70
delta mag (ΔM)
5.88
Spectral class
B1V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
235.3
Precise sep
1.373
Constellation
Serpens
Tycho2
5689-00787-1
last precise pa
235.3
last precise sep
1.373
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18187-1356 DCH 36 1998 1 235 1.4 12.13   B1V 181844.86-135621.9

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