18186-1346 DCH  25EF

 
 
18h 18m 37.88s -13 46' 35.0" P.A. 295 sep 1.1 mag 9.49,13.90 Sp B1V
 
 
Coord 2000
18186-1346
Discov num
DCH  25
Comp
EF
Coord arcsec 2000
18 18 37.88 -13 46 35.0
Date first
1998
Date last
1998
Obs
1
Pa first
295
Pa last
295
P.A. Now (θ)
295°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
9.49
Mag sec
13.90
delta mag (ΔM)
4.41
Spectral class
B1V (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18186-1346 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18186-1346 DCH 22 AB 1998 1998 1 346 0.6 13.46 14.99 1.53
Show 18186-1346 DCH 23 CD 1998 1998 1 322 0.8 10.99 15.45 4.46
Show 18186-1346 DCH 25 EF 1998 1998 1 295 1.1 9.49 13.90 4.41 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295
Precise sep
1.081
Constellation
Serpens
Tycho2
5689-01381-1
last precise pa
295
last precise sep
1.081
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1346 DCH 25 EF 1998 1 295 1.1 9.49 13.90 B1V K 181837.88-134635.0

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