00310+2839 CTU 1 Aa,Ab

 
 
00h 31m 00.57s +28° 42' 10.5" P.A. 233.00 sep 1.3 mag 9.40,11.20
 
 
Coord 2000 00310+2839 Discov num CTU   1 Comp Aa,Ab Coord arcsec 2000 00 31 00.57 +28 42 10.5
Date first 2003 Date last 2013 Obs 6
Pa first 226 Pa last 233.3 P.A. Now (θ) 233.3°
Sep first 0.9 Sep last 1.338 Sep. Now (ρ) 1.338"
Mag pri 9.40 Mag sec 11.20 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +003 Sec motion ra
Pri motion dec +002 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.
 
 
00310+2839 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 00 31 01 +28 42 10 CTU 1 Aa,Ab 2013 6 233 1.3 9.40 11.20 1.80 <===
Show 00 31 01 +28 42 10 HAU 2 AB 2016 15 279 12.4 11.29 11.84 0.55
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda Tycho2 1737-01119-1 Gaia DR2 2857921820589139072