18300+0113 DCH 98 AC

 
 
18h 29m 57.80s +01° 12' 52.0" P.A. 12.00 sep 4.4 mag 9.80,8.50
 
 
Coord 2000 18300+0113 Discov num DCH  98 Comp AC Coord arcsec 2000 18 29 57.80 +01 12 52.0
Date first 2000 Date last 2005 Obs 2
Pa first 12 Pa last 11.7 P.A. Now (θ) 11.7°
Sep first 4.2 Sep last 4.36 Sep. Now (ρ) 4.36"
Mag pri 9.80 Mag sec 8.50 delta mag (ΔM) 1.3 Spectral class
Pri motion ra -020 Sec motion ra
Pri motion dec +055 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.
 
 
18300+0113 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 29 58 +01 12 52 DCH 100 Aa,Ab 2005 1 227 0.2 11.80 10.60 1.20
Show 18 29 58 +01 12 52 HCH 9 AB 2005 4 354 5.2 9.80 10.40 0.60
Show 18 29 58 +01 12 57 DCH 100 Ba,Bb 2005 1 109 2.5 10.40 17.70 7.30
Show 18 29 58 +01 12 52 DCH 98 AC 2005 2 12 4.4 9.80 8.50 1.30 <===
Show 18 29 58 +01 13 00 DCH 98 Ca,Cb 2005 1 92 0.1 8.70 10.30 1.60
Sextuple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens