18186-1347 DCH  24AB

 
 
18h 18m 38.37s -13 47' 08.6" P.A. 30 sep 0.5 mag 10.58,14.33 Sp B5
 
 
Coord 2000
18186-1347
Discov num
DCH  24
Comp
AB
Coord arcsec 2000
18 18 38.37 -13 47 08.6
Date first
1998
Date last
1998
Obs
1
Pa first
30
Pa last
30
P.A. Now (θ)
30°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.58
Mag sec
14.33
delta mag (ΔM)
3.75
Spectral class
B5 (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18186-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18186-1347 DCH 24 AB 1998 1998 1 30 0.5 10.58 14.33 3.75 <===
Show 161302 18186-1347 DBR 291 CD 1999 2017 3 99 3.1 12.90 12.90 0.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.8
Precise sep
0.538
Cdsa2 id
DCH 24 AB
Constellation
Serpens
Tycho2
5689-00209-1
Ra deg
18.310658333333333
De deg
-13.785722222222223
last precise pa
29.8
last precise sep
0.538
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1347 DCH 24 AB 1998 1 30 0.5 12.89   B5 181838.41-134708.7

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