18186-1346 DCH  22AB

 
 
18h 18m 38.03s -13 45' 34.8" P.A. 346 sep 0.6 mag 13.46,14.99
 
 
Coord 2000
18186-1346
Discov num
DCH  22
Comp
AB
Coord arcsec 2000
18 18 38.03 -13 45 34.8
Date first
1998
Date last
1998
Obs
1
Pa first
346
Pa last
346
P.A. Now (θ)
346°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
13.46
Mag sec
14.99
delta mag (ΔM)
1.53
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
+015
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
346.1
Precise sep
0.643
Constellation
Serpens
Tycho2
5689-00199-1
last precise pa
346.1
last precise sep
0.643
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1346 DCH 22 AB 1998 1 346 0.6 15.88   181838.02-134535.3

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