18186-1346 DCH 23 CD

 
 
18h 18m 37.88s -13° 46' 29.4" P.A. 322.00 sep 0.8 mag 10.99,15.45
 
 
Coord 2000 18186-1346 Discov num DCH  23 Comp CD Coord arcsec 2000 18 18 37.88 -13 46 29.4
Date first 1998 Date last 1998 Obs 1
Pa first 322 Pa last 321.9 P.A. Now (θ) 321.9°
Sep first 0.8 Sep last 0.779 Sep. Now (ρ) 0.779"
Mag pri 10.99 Mag sec 15.45 delta mag (ΔM) 4.46 Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
18186-1346 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 18 38 -13 45 35 DCH 22 AB 1998 1 346 0.6 13.46 14.99 1.53
Show 18 18 38 -13 46 29 DCH 23 CD 1998 1 322 0.8 10.99 15.45 4.46 <===
Show 18 18 38 -13 46 35 DCH 25 EF 1998 1 295 1.1 9.49 13.90 4.41
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 5689-01381-1 Gaia DR2 4146612391096772224