17237+3709 MCA 48 Aa,Ab

 
 
17h 23m 40.97s +37° 08' 45.3" P.A. 23.00 sep 0.3 mag 4.90,5.90 Sp B9.5III dist. 120.63 pc (393.5 l.y.)
 
 
Coord 2000 17237+3709 Discov num MCA  48 Comp Aa,Ab Coord arcsec 2000 17 23 40.97 +37 08 45.3
Date first 1981 Date last 2018 Obs 10
Pa first 22 Pa last 22.7 P.A. Now (θ) 22.7°
Sep first 0.3 Sep last 0.262 Sep. Now (ρ) 0.262"
Mag pri 4.90 Mag sec 5.90 delta mag (ΔM) 1 Spectral class B9.5III (blue-white)
Pri motion ra -041 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17237+3709 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 66000 17 23 41 +37 08 45 MCA 48 Aa,Ab 2018 10 23 0.3 4.90 5.90 1.00 <===
Show Rho Her 66000 17 23 41 +37 08 45 STF 2161 AB 2021 417 321 4.0 4.50 5.40 0.90
Show 66000 17 23 41 +37 08 45 STF 2161 AC 2020 6 221 118.4 4.50 13.53 9.03
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV8605 Her Constellation Hercules SAO 66000 HIP 85112
Tycho2 2604-01776-1 Gaia DR2 1337345927125084416 HD 157779 HR 6485
GC 23544 ADS 10526 BD BD+37 2878 Bayer Rho Herculis
Bayer name Rho Her Flamsteed 75 Herculis Flamsteed name 75 Her Distance 120.63
Distance ly 393.5 Bayer greek ρ Her