18187-1349 DCH  33AB

 
 
18h 18m 45.09s -13 49' 18.8" P.A. 95 sep 0.4 mag 13.50,13.51 Sp A4
 
 
Coord 2000
18187-1349
Discov num
DCH  33
Comp
AB
Coord arcsec 2000
18 18 45.09 -13 49 18.8
Date first
1998
Date last
1998
Obs
1
Pa first
95
Pa last
95
P.A. Now (θ)
95°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
13.50
Mag sec
13.51
delta mag (ΔM)
0.01
Spectral class
A4 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18187-1349 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18187-1349 DCH 33 AB 1998 1998 1 95 0.4 13.50 13.51 0.01 <===
Show 18187-1349 DCH 34 CD 1998 1998 1 273 1.2 12.41 17.24 4.83
Show 18187-1349 DCH 35 EF 1998 1998 1 153 0.7 12.38 16.60 4.22
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
94.7
Precise sep
0.433
Constellation
Serpens
Tycho2
5689-00251-1
last precise pa
94.7
last precise sep
0.433
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18187-1349 DCH 33 AB 1998 1 95 0.4 14.19   A4 181845.09-134918.8

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