16172+7734 CAB 23 AB

 
 
16h 17m 11.48s +77° 33' 47.8" P.A. 315.00 sep 21.3 mag 8.65,12.23 Sp M0:
 
 
Coord 2000 16172+7734 Discov num CAB  23 Comp AB Coord arcsec 2000 16 17 11.48 +77 33 47.8
Date first 1999 Date last 2016 Obs 10
Pa first 316 Pa last 314.8 P.A. Now (θ) 314.8°
Sep first 21.2 Sep last 21.311 Sep. Now (ρ) 21.311"
Mag pri 8.65 Mag sec 12.23 delta mag (ΔM) 3.58 Spectral class M0: (red)
Pri motion ra -033 Sec motion ra -038
Pri motion dec +040 Sec motion dec +040
Notes V K (Proper motion indicates physical, 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
rPM=0.091 (< 0.3, Physical double)
This double is physical.
 
 
16172+7734 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 17 11 +77 33 48 RAO 601 Aa,Ab 2015 1 263 0.8 12.00 13.90 1.90
Show 16 17 11 +77 33 48 CAB 23 AB 2016 10 315 21.3 8.65 12.23 3.58 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor Tycho2 4571-01414-1