18189-1347 DCH  41AB

 
 
18h 18m 51.67s -13 46' 54.9" P.A. 261 sep 1 mag 13.41,17.10
 
 
Coord 2000
18189-1347
Discov num
DCH  41
Comp
AB
Coord arcsec 2000
18 18 51.67 -13 46 54.9
Date first
1998
Date last
1998
Obs
1
Pa first
261
Pa last
261
P.A. Now (θ)
261°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
13.41
Mag sec
17.10
delta mag (ΔM)
3.69
Spectral class
Pri motion ra
-016
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18189-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18189-1347 DCH 41 AB 1998 1998 1 261 1.0 13.41 17.10 3.69 <===
Show 18189-1347 DCH 42 CD 1998 1998 1 320 1.3 10.44 15.03 4.59
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.3
Precise sep
0.959
Cdsa2 id
DCH 41 AB
Constellation
Serpens
Ra deg
18.314352777777778
De deg
-13.781916666666667
last precise pa
261.3
last precise sep
0.959
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18189-1347 DCH 41 AB 1998 1 261 1.0 15.89   181851.67-134654.9

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