18188-1347 DCH 37 AB

18h 18m 49.40s -13° 46' 50.1" P.A. 307.00 sep 0.7 mag 10.96,13.43

Coord 2000 18188-1347 Discov num DCH  37 Comp AB Coord arcsec 2000 18 18 49.40 -13 46 50.1
Date first 1998 Date last 1998 Obs 1
Pa first 307 Pa last 306.8 P.A. Now (θ) 306.8°
Sep first 0.7 Sep last 0.67 Sep. Now (ρ) 0.67"
Mag pri 10.96 Mag sec 13.43 delta mag (ΔM) 2.47 Spectral class
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 Tycho2 5689-00133-1 Gaia DR2 4146600708779213312