18188-1347 DCH 38 CD

 
 
18h 18m 49.37s -13° 46' 50.1" P.A. 90.00 sep 1.4 mag 8.91,14.56 Sp B5
 
 
Coord 2000 18188-1347 Discov num DCH  38 Comp CD Coord arcsec 2000 18 18 49.37 -13 46 50.1
Date first 1998 Date last 1998 Obs 1
Pa first 90 Pa last 89.6 P.A. Now (θ) 89.6°
Sep first 1.4 Sep last 1.449 Sep. Now (ρ) 1.449"
Mag pri 8.91 Mag sec 14.56 delta mag (ΔM) 5.65 Spectral class B5 (blue-white)
Pri motion ra +001 Sec motion ra
Pri motion dec +000 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.
 
 
18188-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 18 49 -13 46 50 DCH 37 AB 1998 1 307 0.7 10.96 13.43 2.47
Show 18 18 49 -13 46 50 DCH 38 CD 1998 1 90 1.4 8.91 14.56 5.65 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Gaia DR2 4146600708779213312