12177-6410 JNN 79 BC

 
 
12h 17m 39.47s -64° 09' 41.8" P.A. 315.00 sep 0.6 mag 13.50,15.30 Sp M3+M4
 
 
Coord 2000 12177-6410 Discov num JNN  79 Comp BC Coord arcsec 2000 12 17 39.47 -64 09 41.8
Date first 2010 Date last 2018 Obs 3
Pa first 318 Pa last 315.2 P.A. Now (θ) 315.2°
Sep first 0.6 Sep last 0.583 Sep. Now (ρ) 0.583"
Mag pri 13.50 Mag sec 15.30 delta mag (ΔM) 1.8 Spectral class M3+M4 (red/red)
Pri motion ra +006 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
12177-6410 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 17 40 -64 09 39 JNN 79 AB 2015 6 238 5.2 13.10 13.50 0.40
Show 12 17 40 -64 09 39 JNN 79 AD 2012 2 290 0.1 13.10 15.60 2.50
Show 12 17 39 -64 09 42 JNN 79 BC 2018 3 315 0.6 13.50 15.30 1.80 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Crux Gaia DR2 6053316942666110720