18189-1347 DCH 42 CD

 
 
18h 18m 55.84s -13° 46' 53.5" P.A. 320.00 sep 1.3 mag 10.44,15.03 Sp A2
 
 
Coord 2000 18189-1347 Discov num DCH  42 Comp CD Coord arcsec 2000 18 18 55.84 -13 46 53.5
Date first 1998 Date last 1998 Obs 1
Pa first 320 Pa last 320.3 P.A. Now (θ) 320.3°
Sep first 1.3 Sep last 1.288 Sep. Now (ρ) 1.288"
Mag pri 10.44 Mag sec 15.03 delta mag (ΔM) 4.59 Spectral class A2 (white)
Pri motion ra +013 Sec motion ra
Pri motion dec +013 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.
 
 
18189-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 18 52 -13 46 55 DCH 41 AB 1998 1 261 1.0 13.41 17.10 3.69
Show 18 18 56 -13 46 54 DCH 42 CD 1998 1 320 1.3 10.44 15.03 4.59 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 5689-00515-1 Gaia DR2 4146600472558819200