18189-1349 DCH  43

 
 
18h 18m 51.19s -13 49' 23.9" P.A. 268 sep 1.5 mag 11.36,13.89 dist. 420.17 pc (1370.59 l.y.)
 
 
Coord 2000
18189-1349
Discov num
DCH  43
Comp
Coord arcsec 2000
18 18 51.19 -13 49 23.9
Date first
1998
Date last
1998
Obs
1
Pa first
268
Pa last
268
P.A. Now (θ)
268°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
11.36
Mag sec
13.89
delta mag (ΔM)
2.53
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.8
Precise sep
1.484
Spectr
O9.5V
Constellation
Serpens
HIP
89743
Tycho2
5689-00439-1
BD
BD-13 4930
Distance
420.17
Distance ly
1370.59
last precise pa
267.8
last precise sep
1.484
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18189-1349 DCH 43 1998 1 268 1.5 13.42   181851.19-134923.9

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