12299-1631 SHJ 145 AB (Algorab)

 
 
12h 29m 51.86s -16° 30' 55.6" P.A. 216.00 sep 24.2 mag 2.95,8.47 Sp B9.5V+K1 dist. 26.63 pc (86.87 l.y.)
 
 
Coord 2000 12299-1631 Discov num SHJ 145 Comp AB Coord arcsec 2000 12 29 51.86 -16 30 55.6
Date first 1782 Date last 2020 Obs 48
Pa first 216 Pa last 215.6 P.A. Now (θ) 215.6°
Sep first 23.5 Sep last 24.21 Sep. Now (ρ) 24.21"
Mag pri 2.95 Mag sec 8.47 delta mag (ΔM) 5.52 Spectral class B9.5V+K1 (blue-white/yellow-orange)
Pri motion ra -210 Sec motion ra -211
Pri motion dec -139 Sec motion dec -136
Notes N T (See Notes, Parallax indicates physical)
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
12299-1631 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Algorab 157323 12 29 52 -16 30 56 SHJ 145 AB 2020 48 216 24.2 2.95 8.47 5.52 <===
Show 12 29 51 -16 31 15 LAF 46 BC 2005 1 88 6.7 6.40 18.80 12.40
Show 12 29 51 -16 31 15 LAF 46 BD 2005 1 100 8.3 6.40 21.10 14.70
Show 12 29 51 -16 31 15 LAF 46 BE 2005 1 124 10.2 6.40 21.50 15.10
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Algorab Var name NSV5656 Crv Constellation Corvus SAO 157323
HIP 60965 Tycho2 6103-02395-1 Gaia DR2 3520586071216143488 HD 108767
HR 4757 GC 17029 ADS 8572 BD BD-15 3482
Bayer Delta Corvi Bayer name Del Crv Flamsteed 7 Corvi Flamsteed name 7 Crv
FK5 465 Distance 26.63 Distance ly 86.87 Bayer greek δ Crv
Other names ALGORES, ALGORAL, ALGOREL
Meaning Raven