16406+0413 STFA 31 AB (37 Her)

 
 
16h 40m 38.69s +04° 13' 11.3" P.A. 229.00 sep 69.3 mag 5.76,6.92 Sp A1V+A3IV dist. 90.01 pc (293.61 l.y.)
 
 
Coord 2000 16406+0413 Discov num STFA 31 Comp AB Coord arcsec 2000 16 40 38.69 +04 13 11.3
Date first 1777 Date last 2017 Obs 87
Pa first 228 Pa last 229 P.A. Now (θ) 229°
Sep first 69.0 Sep last 69.3 Sep. Now (ρ) 69.3"
Mag pri 5.76 Mag sec 6.92 delta mag (ΔM) 1.16 Spectral class A1V+A3IV (white/white)
Pri motion ra +002 Sec motion ra +001
Pri motion dec -012 Sec motion dec -010
Notes N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.184 (< 0.3, Physical double)
This double is physical.
 
 
16406+0413 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 121776 16 40 39 +04 13 11 CHR 56 Aa,Ab 2009 3 280 0.0 5.90 7.80 1.90
Show 37 Her 121776 16 40 39 +04 13 11 STFA 31 AB 2017 87 229 69.3 5.76 6.92 1.16 <===
Show 121774 16 40 35 +04 12 26 STF 2074 BC 2020 16 316 25.7 6.92 11.40 4.48
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 37 Her Constellation Hercules SAO 121776 HIP 81641
Tycho2 0391-02824-1 Gaia DR2 4434301983614947072 HD 150378 HR 6195
GC 22430 ADS 10149 DM BD+04 3234 BD BD+04 3235
Flamsteed 37 Herculis Flamsteed name 37 Her Distance 90.01 Distance ly 293.61